diff --git a/.idea/.gitignore b/.idea/.gitignore
deleted file mode 100644
index 13566b81..00000000
--- a/.idea/.gitignore
+++ /dev/null
@@ -1,8 +0,0 @@
-# Default ignored files
-/shelf/
-/workspace.xml
-# Editor-based HTTP Client requests
-/httpRequests/
-# Datasource local storage ignored files
-/dataSources/
-/dataSources.local.xml
diff --git a/.idea/git_toolbox_prj.xml b/.idea/git_toolbox_prj.xml
deleted file mode 100644
index b3820067..00000000
--- a/.idea/git_toolbox_prj.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="GitToolBoxProjectSettings">
-    <option name="commitMessageIssueKeyValidationOverride">
-      <BoolValueOverride>
-        <option name="enabled" value="true" />
-      </BoolValueOverride>
-    </option>
-    <option name="commitMessageValidationConfigOverride">
-      <CommitMessageValidationOverride>
-        <option name="enabled" value="true" />
-      </CommitMessageValidationOverride>
-    </option>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
deleted file mode 100644
index 28159c84..00000000
--- a/.idea/modules.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/seata-go.iml" filepath="$PROJECT_DIR$/.idea/seata-go.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/seata-go.iml b/.idea/seata-go.iml
deleted file mode 100644
index 5e764c4f..00000000
--- a/.idea/seata-go.iml
+++ /dev/null
@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="WEB_MODULE" version="4">
-  <component name="Go" enabled="true" />
-  <component name="NewModuleRootManager">
-    <content url="file://$MODULE_DIR$" />
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
deleted file mode 100644
index 94a25f7f..00000000
--- a/.idea/vcs.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/go.mod b/go.mod
index d3992f7e..be2e8c28 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,6 @@ require (
 	github.com/BurntSushi/toml v1.1.0 // indirect
 	github.com/apache/dubbo-getty v1.4.8
 	github.com/dubbogo/gost v1.11.23
-	github.com/dubbogo/tools v1.0.9 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
 	github.com/natefinch/lumberjack v2.0.0+incompatible
 	github.com/pkg/errors v0.9.1
diff --git a/go.sum b/go.sum
index 5c53efa1..eeb4a8c3 100644
--- a/go.sum
+++ b/go.sum
@@ -3,117 +3,51 @@ cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMT
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
 cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
 cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
-cloud.google.com/go v0.44.3/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
 cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
 cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
-cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
-cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
-cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
-cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
-cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
-cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
-cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
-cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
-cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
-cloud.google.com/go v0.75.0/go.mod h1:VGuuCn7PG0dwsd5XPVm2Mm3wlh3EL55/79EKB6hlPTY=
-cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
-cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
-cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
-cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
-cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
-cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
-cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
-cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
-cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
 cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
-cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
-cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
-cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
-cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
-cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
-cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
-cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
-cloud.google.com/go/storage v1.14.0/go.mod h1:GrKmX003DSIwi9o29oFT7YDnHYwZoctc3fOKtUw0Xmo=
-contrib.go.opencensus.io/exporter/prometheus v0.4.0/go.mod h1:o7cosnyfuPVK0tB8q0QmaQNhGnptITnPQB+z1+qeFB0=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-dubbo.apache.org/dubbo-go/v3 v3.0.0-rc4-1/go.mod h1:nk5n161RX1hycUaLsLgZi7Gar41J+4srY4ysp0yW2PI=
-github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
-github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
-github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
-github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
-github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/toml v1.1.0 h1:ksErzDEI1khOiGPgpwuI7x2ebx/uXQNw7xJpn9Eq1+I=
 github.com/BurntSushi/toml v1.1.0/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/DataDog/datadog-go v3.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
-github.com/HdrHistogram/hdrhistogram-go v1.1.2/go.mod h1:yDgFjdqOqDEKOvasDdhWNXYg9BVp4O+o5f6V/ehm6Oo=
-github.com/Julusian/godocdown v0.0.0-20170816220326-6d19f8ff2df8/go.mod h1:INZr5t32rG59/5xeltqoCJoNY7e5x/3xoY9WSWVWg74=
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
-github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
-github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
-github.com/RoaringBitmap/roaring v0.7.1/go.mod h1:jdT9ykXwHFNdJbEtxePexlFYH9LXucApeS0/+/g+p1I=
 github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
 github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d h1:G0m3OIz70MZUWq3EgK3CesDbo8upS2Vm9/P3FtgI+Jk=
 github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
 github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
-github.com/Workiva/go-datastructures v1.0.52/go.mod h1:Z+F2Rca0qCsVYDS8z7bAGm8f3UkzuWYS/oBZz5a7VVA=
 github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
-github.com/ajstarks/svgo v0.0.0-20180226025133-644b8db467af/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
-github.com/alibaba/sentinel-golang v1.0.2/go.mod h1:QsB99f/z35D2AiMrAWwgWE85kDTkBUIkcmPrRt+61NI=
 github.com/aliyun/alibaba-cloud-sdk-go v1.61.18/go.mod h1:v8ESoHo4SyHmuB4b1tJqDHxfTGEciD+yhvOU/5s1Rfk=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
-github.com/apache/dubbo-getty v1.4.5/go.mod h1:mcDyiu7M/TVrYDyL8TxDemQkOdvEqqHSQ4jOuYejY1w=
 github.com/apache/dubbo-getty v1.4.8 h1:Q9WKXmVu4Dm16cMJHamegRbxpDiYaGIU+MnPGhJhNyk=
 github.com/apache/dubbo-getty v1.4.8/go.mod h1:cPJlbcHUTNTpiboMQjMHhE9XBni11LiBiG8FdrDuVzk=
-github.com/apache/dubbo-go-hessian2 v1.9.1/go.mod h1:xQUjE7F8PX49nm80kChFvepA/AvqAZ0oh/UaB6+6pBE=
-github.com/apache/dubbo-go-hessian2 v1.9.3/go.mod h1:xQUjE7F8PX49nm80kChFvepA/AvqAZ0oh/UaB6+6pBE=
-github.com/apache/dubbo-go-hessian2 v1.9.5/go.mod h1:7rEw9guWABQa6Aqb8HeZcsYPHsOS7XT1qtJvkmI6c5w=
 github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
 github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
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 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
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 github.com/aryann/difflib v0.0.0-20170710044230-e206f873d14a/go.mod h1:DAHtR1m6lCRdSC2Tm3DSWRPvIPr6xNKyeHdqDQSQT+A=
 github.com/aws/aws-lambda-go v1.13.3/go.mod h1:4UKl9IzQMoD+QF79YdCuzCwp8VbmG4VAQwij/eHl5CU=
 github.com/aws/aws-sdk-go v1.27.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/aws/aws-sdk-go-v2 v0.18.0/go.mod h1:JWVYvqSMppoMJC0x5wdwiImzgXTI9FuZwxzkQq9wy+g=
-github.com/aws/aws-sdk-go-v2 v1.9.2/go.mod h1:cK/D0BBs0b/oWPIcX/Z/obahJK1TT7IPVjy53i/mX/4=
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-github.com/aws/aws-sdk-go-v2/credentials v1.4.3/go.mod h1:FNNC6nQZQUuyhq5aE5c7ata8o9e4ECGmS4lAXC7o1mQ=
-github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.6.0/go.mod h1:gqlclDEZp4aqJOancXK6TN24aKhT0W0Ae9MHk3wzTMM=
-github.com/aws/aws-sdk-go-v2/internal/ini v1.2.4/go.mod h1:ZcBrrI3zBKlhGFNYWvju0I3TR93I7YIgAfy82Fh4lcQ=
-github.com/aws/aws-sdk-go-v2/service/appconfig v1.4.2/go.mod h1:FZ3HkCe+b10uFZZkFdvf98LHW21k49W8o8J366lqVKY=
-github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.3.2/go.mod h1:72HRZDLMtmVQiLG2tLfQcaWLCssELvGl+Zf2WVxMmR8=
-github.com/aws/aws-sdk-go-v2/service/sso v1.4.2/go.mod h1:NBvT9R1MEF+Ud6ApJKM0G+IkPchKS7p7c2YPKwHmBOk=
-github.com/aws/aws-sdk-go-v2/service/sts v1.7.2/go.mod h1:8EzeIqfWt2wWT4rJVu3f21TfrhJ8AEMzVybRNSb/b4g=
-github.com/aws/smithy-go v1.8.0/go.mod h1:SObp3lf9smib00L/v3U2eAKG8FyQ7iLrJnQiAmR5n+E=
 github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
 github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
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@@ -122,23 +56,10 @@ github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA
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@@ -151,7 +72,6 @@ github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3Ee
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@@ -159,137 +79,69 @@ github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsr
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-github.com/golang/glog v1.0.0/go.mod h1:EWib/APOK0SL3dFbYqvxE3UYd8E6s1ouQ7iEp/0LWV4=
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-github.com/golang/protobuf v1.3.4/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
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@@ -299,9 +151,6 @@ github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvq
 github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
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-github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
-github.com/golang/protobuf v1.5.1/go.mod h1:DopwsBzvsk0Fs44TXzsVbJyPhcCPeIwnvohx4u74HPM=
-github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
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@@ -312,50 +161,23 @@ github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5a
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 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
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-github.com/googleapis/gnostic v0.0.0-20170729233727-0c5108395e2d/go.mod h1:sJBsCZ4ayReDTBIg8b9dl28c5xFWyhBTVRp3pOg5EKY=
-github.com/googleapis/google-cloud-go-testing v0.0.0-20200911160855-bcd43fbb19e8/go.mod h1:dvDLG8qkwmyD9a/MJJN3XJcT3xFxOKAvTZGvuZmac9g=
-github.com/gophercloud/gophercloud v0.1.0/go.mod h1:vxM41WHh5uqHVBMZHzuwNOHh8XEoIEcSTewFxm1c5g8=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
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 github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
 github.com/gorilla/mux v1.6.2/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
 github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
 github.com/gorilla/websocket v0.0.0-20170926233335-4201258b820c/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
 github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
-github.com/gregjones/httpcache v0.0.0-20180305231024-9cad4c3443a7/go.mod h1:FecbI9+v66THATjSRHfNgh1IVFe/9kFxbXtjV0ctIMA=
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
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@@ -363,94 +185,48 @@ github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgf
 github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
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-github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
-github.com/grpc-ecosystem/grpc-opentracing v0.0.0-20180507213350-8e809c8a8645/go.mod h1:6iZfnjpejD4L/4DwD7NryNaJyCQdzwWwH2MWhCA90Kw=
 github.com/hashicorp/consul/api v1.1.0/go.mod h1:VmuI/Lkw1nC05EYQWNKwWGbkg+FbDBtguAZLlVdkD9Q=
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@@ -459,20 +235,15 @@ github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvW
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@@ -480,17 +251,11 @@ github.com/lightstep/lightstep-tracer-common/golang/gogo v0.0.0-20190605223551-b
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@@ -498,34 +263,21 @@ github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzp
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@@ -540,45 +292,30 @@ github.com/oklog/oklog v0.3.2/go.mod h1:FCV+B7mhrz4o+ueLpx+KqkyXRGMWOYEvfiXtdGtb
 github.com/oklog/run v1.0.0/go.mod h1:dlhp/R75TPv97u0XWUtDeV/lRKWPKSdTuV0TZvrmrQA=
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@@ -587,11 +324,9 @@ github.com/prometheus/client_golang v0.9.3-0.20190127221311-3c4408c8b829/go.mod
 github.com/prometheus/client_golang v0.9.3/go.mod h1:/TN21ttK/J9q6uSwhBd54HahCDft0ttaMvbicHlPoso=
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-github.com/prometheus/client_golang v1.4.0/go.mod h1:e9GMxYsXl05ICDXkRhurwBS4Q3OK1iX/F2sw+iXX5zU=
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@@ -606,8 +341,6 @@ github.com/prometheus/common v0.7.0/go.mod h1:DjGbpBbp5NYNiECxcL/VnbXCCaQpKd3tt2
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 github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
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@@ -615,24 +348,14 @@ github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsT
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-github.com/ryanuber/go-glob v1.0.0/go.mod h1:807d1WSdnB0XRJzKNil9Om6lcp/3a0v4qIHxIXzX/Yc=
 github.com/samuel/go-zookeeper v0.0.0-20190923202752-2cc03de413da/go.mod h1:gi+0XIa01GRL2eRQVjQkKGqKF3SF9vZR/HnPullcV2E=
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 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
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@@ -649,72 +372,45 @@ github.com/soheilhy/cmux v0.1.5-0.20210205191134-5ec6847320e5/go.mod h1:T7TcVDs9
 github.com/sony/gobreaker v0.4.1/go.mod h1:ZKptC7FHNvhBz7dN2LGjPVBz2sZJmc0/PkyDJOjmxWY=
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 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
-github.com/spf13/afero v1.2.2/go.mod h1:9ZxEEn6pIJ8Rxe320qSDBk6AsU0r9pR7Q4OcevTdifk=
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 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
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 go.etcd.io/etcd v0.0.0-20191023171146-3cf2f69b5738/go.mod h1:dnLIgRNXwCJa5e+c6mIZCrds/GIG4ncV9HhK5PX7jPg=
 go.etcd.io/etcd/api/v3 v3.5.0-alpha.0/go.mod h1:mPcW6aZJukV6Aa81LSKpBjQXTWlXB5r74ymPoSWa3Sw=
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-go.etcd.io/etcd/client/pkg/v3 v3.5.0/go.mod h1:IJHfcCEKxYu1Os13ZdwCwIUTUVGYTSAM3YSwc9/Ac1g=
 go.etcd.io/etcd/client/v2 v2.305.0-alpha.0/go.mod h1:kdV+xzCJ3luEBSIeQyB/OEKkWKd8Zkux4sbDeANrosU=
-go.etcd.io/etcd/client/v2 v2.305.0/go.mod h1:h9puh54ZTgAKtEbut2oe9P4L/oqKCVB6xsXlzd7alYQ=
 go.etcd.io/etcd/client/v3 v3.5.0-alpha.0/go.mod h1:wKt7jgDgf/OfKiYmCq5WFGxOFAkVMLxiiXgLDFhECr8=
-go.etcd.io/etcd/client/v3 v3.5.0/go.mod h1:AIKXXVX/DQXtfTEqBryiLTUXwON+GuvO6Z7lLS/oTh0=
 go.etcd.io/etcd/pkg/v3 v3.5.0-alpha.0/go.mod h1:tV31atvwzcybuqejDoY3oaNRTtlD2l/Ot78Pc9w7DMY=
 go.etcd.io/etcd/raft/v3 v3.5.0-alpha.0/go.mod h1:FAwse6Zlm5v4tEWZaTjmNhe17Int4Oxbu7+2r0DiD3w=
 go.etcd.io/etcd/server/v3 v3.5.0-alpha.0/go.mod h1:tsKetYpt980ZTpzl/gb+UOJj9RkIyCb1u4wjzMg90BQ=
@@ -723,11 +419,6 @@ go.opencensus.io v0.20.2/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
-go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
-go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
-go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
-go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
-go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
@@ -747,39 +438,23 @@ go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 go.uber.org/zap v1.13.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM=
 go.uber.org/zap v1.15.0/go.mod h1:Mb2vm2krFEG5DV0W9qcHBYFtp/Wku1cvYaqPsS/WYfc=
 go.uber.org/zap v1.16.0/go.mod h1:MA8QOfq0BHJwdXa996Y4dYkAqRKB8/1K1QMMZVaNZjQ=
-go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
 go.uber.org/zap v1.19.1 h1:ue41HOKd1vGURxrmeKIgELGb3jPW9DMUDGtsinblHwI=
 go.uber.org/zap v1.19.1/go.mod h1:j3DNczoxDZroyBnOT1L/Q79cfUMGZxlv/9dzN7SM1rI=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
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 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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-golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
-golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
 golang.org/x/exp v0.0.0-20200331195152-e8c3332aa8e5/go.mod h1:4M0jN8W1tt0AVLNr8HDosyJCDCDuyL9N9+3m7wDWgKw=
-golang.org/x/image v0.0.0-20180708004352-c73c2afc3b81/go.mod h1:ux5Hcp/YLpHSI86hEcLt0YII63i6oz57MZXIpbrjZUs=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -789,11 +464,7 @@ golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHl
 golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
-golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
-golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
-golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
-golang.org/x/lint v0.0.0-20210508222113-6edffad5e616/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
 golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
 golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
@@ -802,11 +473,7 @@ golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzB
 golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/net v0.0.0-20170114055629-f2499483f923/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20180530234432-1e491301e022/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -824,65 +491,28 @@ golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
 golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20191002035440-2ec189313ef0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20191004110552-13f9640d40b9/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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 golang.org/x/net v0.0.0-20200421231249-e086a090c8fd/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
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-golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
-golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.0.0-20201031054903-ff519b6c9102/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.0.0-20201209123823-ac852fbbde11/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/net v0.0.0-20201224014010-6772e930b67b/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
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 golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
-golang.org/x/net v0.0.0-20210525063256-abc453219eb5/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.0.0-20211029224645-99673261e6eb/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
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 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
-golang.org/x/oauth2 v0.0.0-20191202225959-858c2ad4c8b6/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
-golang.org/x/oauth2 v0.0.0-20200902213428-5d25da1a8d43/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
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 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20170830134202-bb24a47a89ea/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -891,12 +521,8 @@ golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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 golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -904,73 +530,34 @@ golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@@ -978,13 +565,10 @@ golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxb
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@@ -1002,88 +586,31 @@ golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtn
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@@ -1092,76 +619,25 @@ google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98
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@@ -1172,28 +648,20 @@ google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
-google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
-gopkg.in/asn1-ber.v1 v1.0.0-20181015200546-f715ec2f112d/go.mod h1:cuepJuh7vyXfUyUwEgHQXw849cJrilpS5NeIjOWESAw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
-gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
 gopkg.in/ini.v1 v1.42.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8=
 gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
-gopkg.in/square/go-jose.v2 v2.3.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
@@ -1209,29 +677,13 @@ gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
-honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-k8s.io/api v0.16.9/go.mod h1:Y7dZNHs1Xy0mSwSlzL9QShi6qkljnN41yR8oWCRTDe8=
-k8s.io/apimachinery v0.16.9/go.mod h1:Xk2vD2TRRpuWYLQNM6lT9R7DSFZUYG03SarNkbGrnKE=
-k8s.io/client-go v0.16.9/go.mod h1:ThjPlh7Kx+XoBFOCt775vx5J7atwY7F/zaFzTco5gL0=
-k8s.io/gengo v0.0.0-20190128074634-0689ccc1d7d6/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
-k8s.io/klog v0.0.0-20181102134211-b9b56d5dfc92/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
-k8s.io/klog v0.3.0/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
-k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I=
-k8s.io/kube-openapi v0.0.0-20190816220812-743ec37842bf/go.mod h1:1TqjTSzOxsLGIKfj0lK8EeCP7K1iUG65v09OM0/WG5E=
-k8s.io/utils v0.0.0-20190801114015-581e00157fb1/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
-rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
-rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
-rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
-sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
 sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
 sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=
diff --git a/pkg/common/constant.go b/pkg/common/constant.go
deleted file mode 100644
index ad5aeff8..00000000
--- a/pkg/common/constant.go
+++ /dev/null
@@ -1,5 +0,0 @@
-package common
-
-const (
-	XID = "xid"
-)
diff --git a/pkg/common/constants.go b/pkg/common/constants.go
new file mode 100644
index 00000000..b0fb6f2b
--- /dev/null
+++ b/pkg/common/constants.go
@@ -0,0 +1,10 @@
+package common
+
+const (
+	StartTime                = "action-start-time"
+	HostName                 = "host-name"
+	TccBusinessActionContext = "tcc-business-action-context"
+
+	CONTEXT_VARIABLE = "contextVariable"
+	XID              = "xid"
+)
diff --git a/pkg/common/model/context.go b/pkg/common/model/context.go
new file mode 100644
index 00000000..f7f743f6
--- /dev/null
+++ b/pkg/common/model/context.go
@@ -0,0 +1,78 @@
+package model
+
+import (
+	"context"
+	"github.com/seata/seata-go/pkg/common"
+	"github.com/seata/seata-go/pkg/rm/tcc/api"
+)
+
+type ContextVariable struct {
+	Xid                   string
+	Status                *GlobalStatus
+	Role                  *GlobalTransactionRole
+	BusinessActionContext *api.BusinessActionContext
+}
+
+func InitSeataContext(ctx context.Context) context.Context {
+	return context.WithValue(ctx, common.CONTEXT_VARIABLE, &ContextVariable{})
+}
+
+func IsSeataContext(ctx context.Context) bool {
+	return ctx.Value(common.CONTEXT_VARIABLE) != nil
+}
+
+func GetBusinessActionContext(ctx context.Context) *api.BusinessActionContext {
+	variable := ctx.Value(common.TccBusinessActionContext)
+	if variable == nil {
+		return nil
+	}
+	return variable.(*api.BusinessActionContext)
+}
+
+func SetBusinessActionContext(ctx context.Context, businessActionContext *api.BusinessActionContext) {
+	variable := ctx.Value(common.TccBusinessActionContext)
+	if variable != nil {
+		variable.(*ContextVariable).BusinessActionContext = businessActionContext
+	}
+}
+
+func GetTransactionRole(ctx context.Context) *GlobalTransactionRole {
+	variable := ctx.Value(common.CONTEXT_VARIABLE)
+	if variable == nil {
+		return nil
+	}
+	return variable.(*ContextVariable).Role
+}
+
+func SetTransactionRole(ctx context.Context, role GlobalTransactionRole) {
+	variable := ctx.Value(common.CONTEXT_VARIABLE)
+	if variable != nil {
+		variable.(*ContextVariable).Role = &role
+	}
+}
+
+func GetXID(ctx context.Context) string {
+	variable := ctx.Value(common.CONTEXT_VARIABLE)
+	if variable == nil {
+		return ""
+	}
+	return variable.(*ContextVariable).Xid
+}
+
+func HasXID(ctx context.Context) bool {
+	return GetXID(ctx) != ""
+}
+
+func SetXID(ctx context.Context, xid string) {
+	variable := ctx.Value(common.CONTEXT_VARIABLE)
+	if variable != nil {
+		variable.(*ContextVariable).Xid = xid
+	}
+}
+
+func UnbindXid(ctx context.Context) {
+	variable := ctx.Value(common.CONTEXT_VARIABLE)
+	if variable != nil {
+		variable.(*ContextVariable).Xid = ""
+	}
+}
diff --git a/pkg/common/model/resource_manager.go b/pkg/common/model/resource_manager.go
index 8c4a3d80..28dfba1b 100644
--- a/pkg/common/model/resource_manager.go
+++ b/pkg/common/model/resource_manager.go
@@ -1,25 +1,26 @@
 package model
 
 import (
+	"context"
 	"sync"
 )
 
 // Control a branch transaction commit or rollback
 type ResourceManagerInbound interface {
 	// Commit a branch transaction
-	BranchCommit(branchType BranchType, xid string, branchId int64, resourceId string, applicationData []byte) (BranchStatus, error)
+	BranchCommit(ctx context.Context, branchType BranchType, xid string, branchId int64, resourceId string, applicationData []byte) (BranchStatus, error)
 	// Rollback a branch transaction
-	BranchRollback(branchType BranchType, xid string, branchId int64, resourceId string, applicationData []byte) (BranchStatus, error)
+	BranchRollback(ctx context.Context, ranchType BranchType, xid string, branchId int64, resourceId string, applicationData []byte) (BranchStatus, error)
 }
 
 // Resource Manager: send outbound request to TC
 type ResourceManagerOutbound interface {
 	// Branch register long
-	BranchRegister(branchType BranchType, resourceId, clientId, xid, applicationData, lockKeys string) (int64, error)
+	BranchRegister(ctx context.Context, ranchType BranchType, resourceId, clientId, xid, applicationData, lockKeys string) (int64, error)
 	//  Branch report
-	BranchReport(branchType BranchType, xid string, branchId int64, status BranchStatus, applicationData string) error
+	BranchReport(ctx context.Context, ranchType BranchType, xid string, branchId int64, status BranchStatus, applicationData string) error
 	// Lock query boolean
-	LockQuery(branchType BranchType, resourceId, xid, lockKeys string) (bool, error)
+	LockQuery(ctx context.Context, ranchType BranchType, resourceId, xid, lockKeys string) (bool, error)
 }
 
 //  Resource Manager: common behaviors
diff --git a/pkg/common/model/transaction_manager.go b/pkg/common/model/transaction_manager.go
index 9bce9f2f..d45c4728 100644
--- a/pkg/common/model/transaction_manager.go
+++ b/pkg/common/model/transaction_manager.go
@@ -1,5 +1,12 @@
 package model
 
+type GlobalTransactionRole int8
+
+const (
+	LAUNCHER    GlobalTransactionRole = 0
+	PARTICIPANT GlobalTransactionRole = 1
+)
+
 type TransactionManager interface {
 	// Begin a new global transaction.
 	Begin(applicationId, transactionServiceGroup, name string, timeout int64) (string, error)
diff --git a/pkg/config/tm_config.go b/pkg/config/tm_config.go
index 41831fc0..929f5105 100644
--- a/pkg/config/tm_config.go
+++ b/pkg/config/tm_config.go
@@ -1,13 +1,21 @@
 package config
 
 type TMConfig struct {
-	CommitRetryCount   int32 `default:"5" yaml:"commit_retry_count" json:"commit_retry_count,omitempty"`
-	RollbackRetryCount int32 `default:"5" yaml:"rollback_retry_count" json:"rollback_retry_count,omitempty"`
+	CommitRetryCount                uint16 `default:"5" yaml:"commit_retry_count" json:"commit_retry_count,omitempty"`
+	RollbackRetryCount              uint16 `default:"5" yaml:"rollback_retry_count" json:"rollback_retry_count,omitempty"`
+	DefaultGlobalTransactionTimeout uint16 `default:"60000" yaml:"default_global_transaction_timeout" json:"default_global_transaction_timeout,omitempty"`
+	DegradeCheck                    bool   `default:"false" yaml:"degrade_check" json:"degrade_check,omitempty"`
+	DegradeCheckAllowTimes          uint16 `default:"10" yaml:"degrade_check_allow_times" json:"degrade_check_allow_times,omitempty"`
+	DegradeCheckPeriod              uint16 `default:"2000" yaml:"degrade_check_period" json:"degrade_check_period,omitempty"`
 }
 
 func GetDefaultTmConfig() TMConfig {
 	return TMConfig{
-		CommitRetryCount:   5,
-		RollbackRetryCount: 5,
+		CommitRetryCount:                5,
+		RollbackRetryCount:              5,
+		DefaultGlobalTransactionTimeout: 60000,
+		DegradeCheck:                    false,
+		DegradeCheckAllowTimes:          10,
+		DegradeCheckPeriod:              2000,
 	}
 }
diff --git a/pkg/imports/imports.go b/pkg/imports/imports.go
index 920467b5..1954cdae 100644
--- a/pkg/imports/imports.go
+++ b/pkg/imports/imports.go
@@ -1,6 +1,7 @@
 package imports
 
 import (
+	_ "github.com/seata/seata-go/pkg/rm/tcc"
 	_ "github.com/seata/seata-go/pkg/rpc/getty"
 	_ "github.com/seata/seata-go/pkg/rpc/processor/client"
 )
diff --git a/pkg/protocol/codec/codec.go b/pkg/protocol/codec/codec.go
index 303c7d9e..4fc8f570 100644
--- a/pkg/protocol/codec/codec.go
+++ b/pkg/protocol/codec/codec.go
@@ -15,6 +15,7 @@ import (
 
 type SerializerType byte
 
+// TODO 待重构
 const (
 	SEATA    = byte(0x1)
 	PROTOBUF = byte(0x2)
diff --git a/pkg/protocol/codec/seata_decoder.go b/pkg/protocol/codec/seata_decoder.go
index bedafd0d..6eaba723 100644
--- a/pkg/protocol/codec/seata_decoder.go
+++ b/pkg/protocol/codec/seata_decoder.go
@@ -13,6 +13,7 @@ import (
 	"github.com/seata/seata-go/pkg/protocol"
 )
 
+// TODO 待重构
 func AbstractResultMessageDecoder(in []byte) (interface{}, int) {
 	var (
 		length16   uint16 = 0
diff --git a/pkg/protocol/codec/seata_encoder.go b/pkg/protocol/codec/seata_encoder.go
index 1059603b..4368dc87 100644
--- a/pkg/protocol/codec/seata_encoder.go
+++ b/pkg/protocol/codec/seata_encoder.go
@@ -13,6 +13,7 @@ import (
 	"github.com/seata/seata-go/pkg/utils/log"
 )
 
+// TODO 待重构
 func AbstractResultMessageEncoder(in interface{}) []byte {
 	var (
 		zero16 int16 = 0
diff --git a/pkg/protocol/constant.go b/pkg/protocol/constant.go
index 63a77455..7d7d0d0f 100644
--- a/pkg/protocol/constant.go
+++ b/pkg/protocol/constant.go
@@ -13,18 +13,18 @@ const (
 	// V1HeadLength v1 head length
 	V1HeadLength = 16
 
-	// MSGTypeRequestSync request message type
+	// Request message type
 	MSGTypeRequestSync RequestType = 0
 
-	// MSGTypeResponse response message type
+	// Response message type
 	MSGTypeResponse RequestType = 1
 
-	// MSGTypeRequestOneway request one way
+	// Request which no need response
 	MSGTypeRequestOneway RequestType = 2
 
-	// MSGTypeHeartbeatRequest heart beat request
+	// Heartbeat Request
 	MSGTypeHeartbeatRequest RequestType = 3
 
-	// MSGTypeHeartbeatResponse heart beat response
+	// Heartbeat Response
 	MSGTypeHeartbeatResponse RequestType = 4
 )
diff --git a/pkg/protocol/identify.go b/pkg/protocol/identify.go
index bea76fb7..fb70db85 100644
--- a/pkg/protocol/identify.go
+++ b/pkg/protocol/identify.go
@@ -6,21 +6,15 @@ type AbstractResultMessage struct {
 }
 
 type AbstractIdentifyRequest struct {
-	Version string
-
-	ApplicationId string `json:"applicationId"`
-
+	Version                 string
+	ApplicationId           string `json:"applicationId"`
 	TransactionServiceGroup string
-
-	ExtraData []byte
+	ExtraData               []byte
 }
 
 type AbstractIdentifyResponse struct {
 	AbstractResultMessage
-
-	Version string
-
-	ExtraData []byte
-
+	Version    string
+	ExtraData  []byte
 	Identified bool
 }
diff --git a/pkg/protocol/transaction/rm_handler.go b/pkg/protocol/transaction/rm_handler.go
index 906b6759..a32d5d40 100644
--- a/pkg/protocol/transaction/rm_handler.go
+++ b/pkg/protocol/transaction/rm_handler.go
@@ -1,6 +1,7 @@
 package transaction
 
 import (
+	"context"
 	"github.com/seata/seata-go/pkg/protocol"
 )
 
@@ -12,7 +13,7 @@ type RMInboundHandler interface {
 	 * @param request the request
 	 * @return the branch commit response
 	 */
-	HandleBranchCommitRequest(request protocol.BranchCommitRequest) (*protocol.BranchCommitResponse, error)
+	HandleBranchCommitRequest(ctx context.Context, request protocol.BranchCommitRequest) (*protocol.BranchCommitResponse, error)
 
 	/**
 	 * Handle branch rollback response.
@@ -21,12 +22,12 @@ type RMInboundHandler interface {
 	 * @return the branch rollback response
 	 */
 
-	HandleBranchRollbackRequest(request protocol.BranchRollbackRequest) (*protocol.BranchRollbackResponse, error)
+	HandleBranchRollbackRequest(ctx context.Context, request protocol.BranchRollbackRequest) (*protocol.BranchRollbackResponse, error)
 
 	/**
 	 * Handle delete undo log .
 	 *
 	 * @param request the request
 	 */
-	HandleUndoLogDeleteRequest(request protocol.UndoLogDeleteRequest) error
+	HandleUndoLogDeleteRequest(ctx context.Context, request protocol.UndoLogDeleteRequest) error
 }
diff --git a/pkg/rm/api/transaction.go b/pkg/rm/api/transaction.go
new file mode 100644
index 00000000..15dee2a5
--- /dev/null
+++ b/pkg/rm/api/transaction.go
@@ -0,0 +1,163 @@
+package api
+
+type Propagation int8
+
+type TransactionInfo struct {
+	TimeOut           int32
+	Name              string
+	Propagation       Propagation
+	LockRetryInternal int64
+	LockRetryTimes    int64
+}
+
+const (
+
+	/**
+	 * The REQUIRED.
+	 * The default propagation.
+	 *
+	 * <p>
+	 * If transaction is existing, execute with current transaction,
+	 * else execute with new transaction.
+	 * </p>
+	 *
+	 * <p>
+	 * The logic is similar to the following code:
+	 * <code><pre>
+	 *     if (tx == null) {
+	 *         try {
+	 *             tx = beginNewTransaction(); // begin new transaction, is not existing
+	 *             Object rs = business.execute(); // execute with new transaction
+	 *             commitTransaction(tx);
+	 *             return rs;
+	 *         } catch (Exception ex) {
+	 *             rollbackTransaction(tx);
+	 *             throw ex;
+	 *         }
+	 *     } else {
+	 *         return business.execute(); // execute with current transaction
+	 *     }
+	 * </pre></code>
+	 * </p>
+	 */
+	REQUIRED Propagation = iota
+
+	/**
+	 * The REQUIRES_NEW.
+	 *
+	 * <p>
+	 * If transaction is existing, suspend it, and then execute business with new transaction.
+	 * </p>
+	 *
+	 * <p>
+	 * The logic is similar to the following code:
+	 * <code><pre>
+	 *     try {
+	 *         if (tx != null) {
+	 *             suspendedResource = suspendTransaction(tx); // suspend current transaction
+	 *         }
+	 *         try {
+	 *             tx = beginNewTransaction(); // begin new transaction
+	 *             Object rs = business.execute(); // execute with new transaction
+	 *             commitTransaction(tx);
+	 *             return rs;
+	 *         } catch (Exception ex) {
+	 *             rollbackTransaction(tx);
+	 *             throw ex;
+	 *         }
+	 *     } finally {
+	 *         if (suspendedResource != null) {
+	 *             resumeTransaction(suspendedResource); // resume transaction
+	 *         }
+	 *     }
+	 * </pre></code>
+	 * </p>
+	 */
+	REQUIRES_NEW
+
+	/**
+	 * The NOT_SUPPORTED.
+	 *
+	 * <p>
+	 * If transaction is existing, suspend it, and then execute business without transaction.
+	 * </p>
+	 *
+	 * <p>
+	 * The logic is similar to the following code:
+	 * <code><pre>
+	 *     try {
+	 *         if (tx != null) {
+	 *             suspendedResource = suspendTransaction(tx); // suspend current transaction
+	 *         }
+	 *         return business.execute(); // execute without transaction
+	 *     } finally {
+	 *         if (suspendedResource != null) {
+	 *             resumeTransaction(suspendedResource); // resume transaction
+	 *         }
+	 *     }
+	 * </pre></code>
+	 * </p>
+	 */
+	NOT_SUPPORTED
+
+	/**
+	 * The SUPPORTS.
+	 *
+	 * <p>
+	 * If transaction is not existing, execute without global transaction,
+	 * else execute business with current transaction.
+	 * </p>
+	 *
+	 * <p>
+	 * The logic is similar to the following code:
+	 * <code><pre>
+	 *     if (tx != null) {
+	 *         return business.execute(); // execute with current transaction
+	 *     } else {
+	 *         return business.execute(); // execute without transaction
+	 *     }
+	 * </pre></code>
+	 * </p>
+	 */
+	SUPPORTS
+
+	/**
+	 * The NEVER.
+	 *
+	 * <p>
+	 * If transaction is existing, throw exception,
+	 * else execute business without transaction.
+	 * </p>
+	 *
+	 * <p>
+	 * The logic is similar to the following code:
+	 * <code><pre>
+	 *     if (tx != null) {
+	 *         throw new TransactionException("existing transaction");
+	 *     }
+	 *     return business.execute(); // execute without transaction
+	 * </pre></code>
+	 * </p>
+	 */
+	NEVER
+
+	/**
+	 * The MANDATORY.
+	 *
+	 * <p>
+	 * If transaction is not existing, throw exception,
+	 * else execute business with current transaction.
+	 * </p>
+	 *
+	 * <p>
+	 * The logic is similar to the following code:
+	 * <code><pre>
+	 *     if (tx == null) {
+	 *         throw new TransactionException("not existing transaction");
+	 *     }
+	 *     return business.execute(); // execute with current transaction
+	 * </pre></code>
+	 * </p>
+	 */
+	MANDATORY
+)
diff --git a/pkg/rm/api/transactional_executor.go b/pkg/rm/api/transactional_executor.go
new file mode 100644
index 00000000..5b8bd50e
--- /dev/null
+++ b/pkg/rm/api/transactional_executor.go
@@ -0,0 +1,8 @@
+package api
+
+import "context"
+
+type TransactionalExecutor interface {
+	Execute(ctx context.Context, param interface{}) (interface{}, error)
+	GetTransactionInfo() TransactionInfo
+}
diff --git a/pkg/rm/api/transactional_template.go b/pkg/rm/api/transactional_template.go
new file mode 100644
index 00000000..96ee76c0
--- /dev/null
+++ b/pkg/rm/api/transactional_template.go
@@ -0,0 +1,92 @@
+package api
+
+import (
+	"context"
+	"github.com/pkg/errors"
+	"github.com/seata/seata-go/pkg/common/model"
+	"github.com/seata/seata-go/pkg/tm"
+	"github.com/seata/seata-go/pkg/utils/log"
+	"sync"
+)
+
+var (
+	// singletone ResourceManagerFacade
+	transactionTemplate     *TransactionTemplate
+	onceTransactionTemplate = &sync.Once{}
+)
+
+func GetTransactionTemplate() *TransactionTemplate {
+	if transactionTemplate == nil {
+		onceTransactionTemplate.Do(func() {
+			transactionTemplate = &TransactionTemplate{}
+		})
+	}
+	return transactionTemplate
+}
+
+type TransactionTemplate struct {
+}
+
+func (t *TransactionTemplate) Execute(ctx context.Context, business TransactionalExecutor, param interface{}) (interface{}, error) {
+	if !model.IsSeataContext(ctx) {
+		err := errors.New("context should be inited as seata context!")
+		log.Error(err)
+		return nil, err
+	}
+
+	if model.GetTransactionRole(ctx) == nil {
+		model.SetTransactionRole(ctx, model.LAUNCHER)
+	}
+
+	var tx *tm.GlobalTransaction
+	if model.HasXID(ctx) {
+		tx = &tm.GlobalTransaction{
+			Xid:    model.GetXID(ctx),
+			Status: model.Begin,
+			Role:   model.PARTICIPANT,
+		}
+	}
+
+	// todo: Handle the transaction propagation.
+
+	if tx == nil {
+		tx = &tm.GlobalTransaction{
+			Xid:    model.GetXID(ctx),
+			Status: model.UnKnown,
+			Role:   model.LAUNCHER,
+		}
+	}
+
+	// todo: set current tx config to holder
+
+	// begin global transaction
+	err := t.BeginTransaction(ctx, tx, business.GetTransactionInfo().TimeOut, business.GetTransactionInfo().Name)
+	if err != nil {
+		log.Infof("transactionTemplate: begin transaction failed, error %v", err)
+		return nil, err
+	}
+
+	// do your business
+	res, err := business.Execute(ctx, param)
+	if err != nil {
+		log.Infof("transactionTemplate: execute business failed, error %v", err)
+		return nil, tm.GetGlobalTransactionManager().Rollback(ctx, tx)
+	}
+
+	// commit global transaction
+	err = t.CommitTransaction(ctx, tx)
+	if err != nil {
+		log.Infof("transactionTemplate: commit transaction failed, error %v", err)
+		// rollback transaction
+		return nil, tm.GetGlobalTransactionManager().Rollback(ctx, tx)
+	}
+	return res, err
+}
+
+func (TransactionTemplate) BeginTransaction(ctx context.Context, tx *tm.GlobalTransaction, timeout int32, name string) error {
+	return tm.GetGlobalTransactionManager().Begin(ctx, tx, timeout, name)
+}
+
+func (TransactionTemplate) CommitTransaction(ctx context.Context, tx *tm.GlobalTransaction) error {
+	return tm.GetGlobalTransactionManager().Commit(ctx, tx)
+}
diff --git a/pkg/rm/common_resource_manager.go b/pkg/rm/common_resource_manager.go
deleted file mode 100644
index 4001b8eb..00000000
--- a/pkg/rm/common_resource_manager.go
+++ /dev/null
@@ -1,28 +0,0 @@
-package rm
-
-import (
-	"github.com/seata/seata-go/pkg/common/model"
-)
-
-// TODO
-type RMRemoting struct {
-}
-
-// Branch register long
-func (RMRemoting) BranchRegister(branchType model.BranchType, resourceId, clientId, xid, applicationData, lockKeys string) (int64, error) {
-	return 0, nil
-}
-
-//  Branch report
-func (RMRemoting) BranchReport(branchType model.BranchType, xid string, branchId int64, status model.BranchStatus, applicationData string) error {
-	return nil
-}
-
-// Lock query boolean
-func (RMRemoting) LockQuery(branchType model.BranchType, resourceId, xid, lockKeys string) (bool, error) {
-	return false, nil
-}
-
-func (RMRemoting) RegisterResource(resource model.Resource) error {
-	return nil
-}
diff --git a/pkg/rm/common_rm_handler.go b/pkg/rm/common_rm_handler.go
index 1fb6fcba..b9f74c62 100644
--- a/pkg/rm/common_rm_handler.go
+++ b/pkg/rm/common_rm_handler.go
@@ -1,8 +1,10 @@
 package rm
 
 import (
+	"context"
 	"github.com/seata/seata-go/pkg/common/model"
 	"github.com/seata/seata-go/pkg/protocol"
+	"github.com/seata/seata-go/pkg/utils/log"
 )
 
 type CommonRMHandler struct {
@@ -14,13 +16,14 @@ func (h *CommonRMHandler) SetRMGetter(rmGetter model.ResourceManagerGetter) {
 }
 
 // Handle branch commit response.
-func (h *CommonRMHandler) HandleBranchCommitRequest(request protocol.BranchCommitRequest) (*protocol.BranchCommitResponse, error) {
+func (h *CommonRMHandler) HandleBranchCommitRequest(ctx context.Context, request protocol.BranchCommitRequest) (*protocol.BranchCommitResponse, error) {
 	xid := request.Xid
 	branchID := request.BranchId
 	resourceID := request.ResourceId
 	applicationData := request.ApplicationData
+	log.Infof("Branch committing: xid %s, branchID %s, resourceID %s, applicationData %s", xid, branchID, resourceID, applicationData)
 
-	status, err := h.rmGetter.GetResourceManager().BranchCommit(request.BranchType, xid, branchID, resourceID, applicationData)
+	status, err := h.rmGetter.GetResourceManager().BranchCommit(ctx, request.BranchType, xid, branchID, resourceID, applicationData)
 	if err != nil {
 		// TODO: handle error
 		return nil, err
@@ -36,13 +39,13 @@ func (h *CommonRMHandler) HandleBranchCommitRequest(request protocol.BranchCommi
 
 // Handle branch rollback response.
 // TODO
-func (h *CommonRMHandler) HandleBranchRollbackRequest(request protocol.BranchRollbackRequest) (*protocol.BranchRollbackResponse, error) {
+func (h *CommonRMHandler) HandleBranchRollbackRequest(ctx context.Context, request protocol.BranchRollbackRequest) (*protocol.BranchRollbackResponse, error) {
 	return nil, nil
 }
 
 // Handle delete undo log .
 // TODO
-func (h *CommonRMHandler) HandleUndoLogDeleteRequest(request protocol.UndoLogDeleteRequest) error {
+func (h *CommonRMHandler) HandleUndoLogDeleteRequest(ctx context.Context, request protocol.UndoLogDeleteRequest) error {
 	return nil
 }
 
diff --git a/pkg/rm/resource_manager_facade.go b/pkg/rm/resource_manager_facade.go
index f367e438..a44655fe 100644
--- a/pkg/rm/resource_manager_facade.go
+++ b/pkg/rm/resource_manager_facade.go
@@ -1,6 +1,7 @@
 package rm
 
 import (
+	"context"
 	"fmt"
 	"sync"
 )
@@ -30,7 +31,7 @@ type ResourceManagerFacade struct {
 }
 
 // 将事务管理器注册到这里
-func RegisterResource(resourceManager model2.ResourceManager) {
+func RegisterResourceManager(resourceManager model2.ResourceManager) {
 	resourceManagerMap.Store(resourceManager.GetBranchType(), resourceManager)
 }
 
@@ -43,28 +44,28 @@ func (*ResourceManagerFacade) GetResourceManager(branchType model2.BranchType) m
 }
 
 // Commit a branch transaction
-func (d *ResourceManagerFacade) BranchCommit(branchType model2.BranchType, xid string, branchId int64, resourceId string, applicationData []byte) (model2.BranchStatus, error) {
-	return d.GetResourceManager(branchType).BranchCommit(branchType, xid, branchId, resourceId, applicationData)
+func (d *ResourceManagerFacade) BranchCommit(ctx context.Context, branchType model2.BranchType, xid string, branchId int64, resourceId string, applicationData []byte) (model2.BranchStatus, error) {
+	return d.GetResourceManager(branchType).BranchCommit(ctx, branchType, xid, branchId, resourceId, applicationData)
 }
 
 // Rollback a branch transaction
-func (d *ResourceManagerFacade) BranchRollback(branchType model2.BranchType, xid string, branchId int64, resourceId string, applicationData []byte) (model2.BranchStatus, error) {
-	return d.GetResourceManager(branchType).BranchRollback(branchType, xid, branchId, resourceId, applicationData)
+func (d *ResourceManagerFacade) BranchRollback(ctx context.Context, branchType model2.BranchType, xid string, branchId int64, resourceId string, applicationData []byte) (model2.BranchStatus, error) {
+	return d.GetResourceManager(branchType).BranchRollback(ctx, branchType, xid, branchId, resourceId, applicationData)
 }
 
 // Branch register long
-func (d *ResourceManagerFacade) BranchRegister(branchType model2.BranchType, resourceId, clientId, xid, applicationData, lockKeys string) (int64, error) {
-	return d.GetResourceManager(branchType).BranchRegister(branchType, resourceId, clientId, xid, applicationData, lockKeys)
+func (d *ResourceManagerFacade) BranchRegister(ctx context.Context, branchType model2.BranchType, resourceId, clientId, xid, applicationData, lockKeys string) (int64, error) {
+	return d.GetResourceManager(branchType).BranchRegister(ctx, branchType, resourceId, clientId, xid, applicationData, lockKeys)
 }
 
 //  Branch report
-func (d *ResourceManagerFacade) BranchReport(branchType model2.BranchType, xid string, branchId int64, status model2.BranchStatus, applicationData string) error {
-	return d.GetResourceManager(branchType).BranchReport(branchType, xid, branchId, status, applicationData)
+func (d *ResourceManagerFacade) BranchReport(ctx context.Context, branchType model2.BranchType, xid string, branchId int64, status model2.BranchStatus, applicationData string) error {
+	return d.GetResourceManager(branchType).BranchReport(ctx, branchType, xid, branchId, status, applicationData)
 }
 
 // Lock query boolean
-func (d *ResourceManagerFacade) LockQuery(branchType model2.BranchType, resourceId, xid, lockKeys string) (bool, error) {
-	return d.GetResourceManager(branchType).LockQuery(branchType, resourceId, xid, lockKeys)
+func (d *ResourceManagerFacade) LockQuery(ctx context.Context, branchType model2.BranchType, resourceId, xid, lockKeys string) (bool, error) {
+	return d.GetResourceManager(branchType).LockQuery(ctx, branchType, resourceId, xid, lockKeys)
 }
 
 // Register a   model.Resource to be managed by   model.Resource Manager
diff --git a/pkg/rm/rm_handler_facade.go b/pkg/rm/rm_handler_facade.go
index c60f36fe..370d6db6 100644
--- a/pkg/rm/rm_handler_facade.go
+++ b/pkg/rm/rm_handler_facade.go
@@ -1,6 +1,7 @@
 package rm
 
 import (
+	"context"
 	"sync"
 )
 
@@ -28,20 +29,20 @@ func GetRMHandlerFacadeInstance() *RMHandlerFacade {
 }
 
 // Handle branch commit response.
-func (h *RMHandlerFacade) HandleBranchCommitRequest(request protocol.BranchCommitRequest) (*protocol.BranchCommitResponse, error) {
-	return h.getRMHandler(request.BranchType).HandleBranchCommitRequest(request)
+func (h *RMHandlerFacade) HandleBranchCommitRequest(ctx context.Context, request protocol.BranchCommitRequest) (*protocol.BranchCommitResponse, error) {
+	return h.getRMHandler(request.BranchType).HandleBranchCommitRequest(ctx, request)
 }
 
 // Handle branch rollback response.
 // TODO
-func (h *RMHandlerFacade) HandleBranchRollbackRequest(request protocol.BranchRollbackRequest) (*protocol.BranchRollbackResponse, error) {
-	return h.getRMHandler(request.BranchType).HandleBranchRollbackRequest(request)
+func (h *RMHandlerFacade) HandleBranchRollbackRequest(ctx context.Context, request protocol.BranchRollbackRequest) (*protocol.BranchRollbackResponse, error) {
+	return h.getRMHandler(request.BranchType).HandleBranchRollbackRequest(ctx, request)
 }
 
 // Handle delete undo log .
 // TODO
-func (h *RMHandlerFacade) HandleUndoLogDeleteRequest(request protocol.UndoLogDeleteRequest) error {
-	return h.getRMHandler(request.BranchType).HandleUndoLogDeleteRequest(request)
+func (h *RMHandlerFacade) HandleUndoLogDeleteRequest(ctx context.Context, request protocol.UndoLogDeleteRequest) error {
+	return h.getRMHandler(request.BranchType).HandleUndoLogDeleteRequest(ctx, request)
 }
 
 func (h *RMHandlerFacade) RegisteRMHandler(handler *CommonRMHandler) {
diff --git a/pkg/rm/rm_remoting.go b/pkg/rm/rm_remoting.go
new file mode 100644
index 00000000..9486ea70
--- /dev/null
+++ b/pkg/rm/rm_remoting.go
@@ -0,0 +1,100 @@
+package rm
+
+import (
+	"github.com/seata/seata-go/pkg/common/model"
+	"github.com/seata/seata-go/pkg/protocol"
+	"github.com/seata/seata-go/pkg/rpc/getty"
+	"github.com/seata/seata-go/pkg/utils/log"
+	"sync"
+)
+
+var (
+	rmRemoting        *RMRemoting
+	onceGettyRemoting = &sync.Once{}
+)
+
+func GetRMRemotingInstance() *RMRemoting {
+	if rmRemoting == nil {
+		onceGettyRemoting.Do(func() {
+			rmRemoting = &RMRemoting{}
+		})
+	}
+	return rmRemoting
+}
+
+// TODO
+type RMRemoting struct {
+}
+
+// Branch register long
+func (RMRemoting) BranchRegister(branchType model.BranchType, resourceId, clientId, xid, applicationData, lockKeys string) (int64, error) {
+	return 0, nil
+}
+
+//  Branch report
+func (RMRemoting) BranchReport(branchType model.BranchType, xid string, branchId int64, status model.BranchStatus, applicationData string) error {
+	return nil
+}
+
+// Lock query boolean
+func (RMRemoting) LockQuery(branchType model.BranchType, resourceId, xid, lockKeys string) (bool, error) {
+	return false, nil
+}
+
+func (r *RMRemoting) RegisterResource(resource model.Resource) error {
+	req := protocol.RegisterRMRequest{
+		AbstractIdentifyRequest: protocol.AbstractIdentifyRequest{
+			//todo replace with config
+			Version:                 "1.4.2",
+			ApplicationId:           "tcc-sample",
+			TransactionServiceGroup: "my_test_tx_group",
+		},
+		ResourceIds: resource.GetResourceId(),
+	}
+	res, err := getty.GetGettyRemotingClient().SendSyncRequest(req)
+	if err != nil {
+		log.Errorf("RegisterResourceManager error: {%#v}", err.Error())
+		return err
+	}
+
+	if isRegisterSuccess(res) {
+		r.onRegisterRMSuccess(res.(protocol.RegisterRMResponse))
+	} else {
+		r.onRegisterRMFailure(res.(protocol.RegisterRMResponse))
+	}
+
+	return nil
+}
+
+func isRegisterSuccess(response interface{}) bool {
+	//if res, ok := response.(protocol.RegisterTMResponse); ok {
+	//	return res.Identified
+	//} else if res, ok := response.(protocol.RegisterRMResponse); ok {
+	//	return res.Identified
+	//}
+	//return false
+	if res, ok := response.(protocol.RegisterRMResponse); ok {
+		return res.Identified
+	}
+	return false
+}
+
+func (r *RMRemoting) onRegisterRMSuccess(response protocol.RegisterRMResponse) {
+	// TODO
+	log.Infof("register RM success. response: %#v", response)
+}
+
+func (r *RMRemoting) onRegisterRMFailure(response protocol.RegisterRMResponse) {
+	// TODO
+	log.Infof("register RM failure. response: %#v", response)
+}
+
+func (r *RMRemoting) onRegisterTMSuccess(response protocol.RegisterTMResponse) {
+	// TODO
+	log.Infof("register TM success. response: %#v", response)
+}
+
+func (r *RMRemoting) onRegisterTMFailure(response protocol.RegisterTMResponse) {
+	// TODO
+	log.Infof("register TM failure. response: %#v", response)
+}
diff --git a/pkg/rm/rm_remoting_test.go b/pkg/rm/rm_remoting_test.go
new file mode 100644
index 00000000..c3a498a1
--- /dev/null
+++ b/pkg/rm/rm_remoting_test.go
@@ -0,0 +1,27 @@
+package rm
+
+import (
+	"github.com/seata/seata-go/pkg/common/model"
+	_ "github.com/seata/seata-go/pkg/imports"
+	"github.com/seata/seata-go/pkg/protocol"
+	"github.com/seata/seata-go/pkg/rpc/getty"
+	"github.com/seata/seata-go/pkg/utils/log"
+)
+
+func (RMRemoting) RegisterResource(resource model.Resource) error {
+	req := protocol.RegisterRMRequest{
+		AbstractIdentifyRequest: protocol.AbstractIdentifyRequest{
+			//todo replace with config
+			Version:                 "1.4.2",
+			ApplicationId:           "tcc-sample",
+			TransactionServiceGroup: "my_test_tx_group",
+		},
+		ResourceIds: resource.GetResourceId(),
+	}
+	err := getty.GetGettyRemotingClient().SendAsyncRequest(req)
+	if err != nil {
+		log.Error("RegisterResourceManager error: {%#v}", err.Error())
+		return err
+	}
+	return nil
+}
diff --git a/pkg/rm/api/business_action_context.go b/pkg/rm/tcc/api/business_action_context.go
similarity index 75%
rename from pkg/rm/api/business_action_context.go
rename to pkg/rm/tcc/api/business_action_context.go
index d207754e..bb7e5812 100644
--- a/pkg/rm/api/business_action_context.go
+++ b/pkg/rm/tcc/api/business_action_context.go
@@ -4,5 +4,5 @@ type BusinessActionContext struct {
 	Xid           string
 	BranchId      string
 	ActionName    string
-	ActionContext map[string]interface{}
+	ActionContext interface{}
 }
diff --git a/pkg/rm/tcc/tcc_resource.go b/pkg/rm/tcc/tcc_resource.go
index f5d7e82a..61289783 100644
--- a/pkg/rm/tcc/tcc_resource.go
+++ b/pkg/rm/tcc/tcc_resource.go
@@ -1,23 +1,20 @@
 package tcc
 
-import (
-	"reflect"
-)
-
 import (
 	"github.com/seata/seata-go/pkg/common/model"
 )
 
 type TCCResource struct {
-	ResourceGroupId    string `default:"DEFAULT"`
-	AppName            string
-	ActionName         string
-	TargetBean         interface{}
-	PrepareMethod      reflect.Method
-	CommitMethodName   string
-	CommitMethod       reflect.Method
-	RollbackMethodName string
-	RollbackMethod     reflect.Method
+	TCCServiceBean  TCCService
+	ResourceGroupId string `default:"DEFAULT"`
+	AppName         string
+	ActionName      string
+	//TargetBean         interface{}
+	//PrepareMethod      reflect.Method
+	//CommitMethodName   string
+	//CommitMethod       reflect.Method
+	//RollbackMethodName string
+	//RollbackMethod     reflect.Method
 }
 
 func (t *TCCResource) GetResourceGroupId() string {
diff --git a/pkg/rm/tcc/tcc_rm.go b/pkg/rm/tcc/tcc_rm.go
index 4b8fc30a..d30685ef 100644
--- a/pkg/rm/tcc/tcc_rm.go
+++ b/pkg/rm/tcc/tcc_rm.go
@@ -1,6 +1,12 @@
 package tcc
 
 import (
+	"context"
+	"fmt"
+	"github.com/seata/seata-go/pkg/protocol"
+	"github.com/seata/seata-go/pkg/rm/tcc/api"
+	"github.com/seata/seata-go/pkg/rpc/getty"
+	"github.com/seata/seata-go/pkg/utils/log"
 	"sync"
 )
 
@@ -9,34 +15,121 @@ import (
 	"github.com/seata/seata-go/pkg/rm"
 )
 
-type TCCRm struct {
-	rmRemoting rm.RMRemoting
+var (
+	tCCResourceManager     *TCCResourceManager
+	onceTCCResourceManager = &sync.Once{}
+)
+
+func init() {
+	rm.RegisterResourceManager(GetTCCResourceManagerInstance())
+}
+
+func GetTCCResourceManagerInstance() *TCCResourceManager {
+	if tCCResourceManager == nil {
+		onceTCCResourceManager.Do(func() {
+			tCCResourceManager = &TCCResourceManager{
+				resourceManagerMap: sync.Map{},
+				rmRemoting:         rm.GetRMRemotingInstance(),
+			}
+		})
+	}
+	return tCCResourceManager
+}
+
+type TCCResourceManager struct {
+	rmRemoting *rm.RMRemoting
 	// resourceID -> resource
 	resourceManagerMap sync.Map
 }
 
-func (t *TCCRm) RegisterResource(resource model.Resource) error {
+// register transaction branch
+func (t *TCCResourceManager) BranchRegister(ctx context.Context, branchType model.BranchType, resourceId, clientId, xid, applicationData, lockKeys string) (int64, error) {
+	request := protocol.BranchRegisterRequest{
+		Xid:             xid,
+		BranchType:      t.GetBranchType(),
+		ResourceId:      resourceId,
+		LockKey:         lockKeys,
+		ApplicationData: []byte(applicationData),
+	}
+	response, err := getty.GetGettyRemotingClient().SendSyncRequest(request)
+	if err != nil || response == nil {
+		log.Errorf("BranchRegister error: %v, res %v", err.Error(), response)
+		return 0, err
+	}
+	return response.(protocol.BranchRegisterResponse).BranchId, nil
+}
+
+func (t *TCCResourceManager) BranchReport(ctx context.Context, ranchType model.BranchType, xid string, branchId int64, status model.BranchStatus, applicationData string) error {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (t *TCCResourceManager) LockQuery(ctx context.Context, ranchType model.BranchType, resourceId, xid, lockKeys string) (bool, error) {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (t *TCCResourceManager) UnregisterResource(resource model.Resource) error {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (t *TCCResourceManager) RegisterResource(resource model.Resource) error {
+	if _, ok := resource.(*TCCResource); !ok {
+		panic(fmt.Sprintf("register tcc resource error, TCCResource is needed, param %v", resource))
+	}
 	t.resourceManagerMap.Store(resource.GetResourceId(), resource)
-	t.rmRemoting.RegisterResource(resource)
-	return nil
+	return t.rmRemoting.RegisterResource(resource)
 }
 
-func (t *TCCRm) GetManagedResources() sync.Map {
+func (t *TCCResourceManager) GetManagedResources() sync.Map {
 	return t.resourceManagerMap
 }
 
 // Commit a branch transaction
-func (t *TCCRm) BranchCommit(branchType model.BranchType, xid, branchId int64, resourceId, applicationData string) (model.BranchStatus, error) {
-	// TODO
-	return 0, nil
+func (t *TCCResourceManager) BranchCommit(ctx context.Context, ranchType model.BranchType, xid string, branchID int64, resourceID string, applicationData []byte) (model.BranchStatus, error) {
+	var tccResource *TCCResource
+	if resource, ok := t.resourceManagerMap.Load(resourceID); !ok {
+		err := fmt.Errorf("CC resource is not exist, resourceId: %s", resourceID)
+		return 0, err
+	} else {
+		tccResource, _ = resource.(*TCCResource)
+	}
+
+	err := tccResource.TCCServiceBean.Commit(ctx, t.getBusinessActionContext(xid, branchID, resourceID, applicationData))
+	if err != nil {
+		return model.BranchStatusPhasetwoCommitFailedRetryable, err
+	}
+	return model.BranchStatusPhasetwoCommitted, err
+}
+
+func (t *TCCResourceManager) getBusinessActionContext(xid string, branchID int64, resourceID string, applicationData []byte) api.BusinessActionContext {
+	return api.BusinessActionContext{
+		Xid:        xid,
+		BranchId:   string(branchID),
+		ActionName: resourceID,
+		// todo get ActionContext
+		//ActionContext:,
+	}
 }
 
 // Rollback a branch transaction
-func (t *TCCRm) BranchRollback(branchType model.BranchType, xid string, branchId int64, resourceId, applicationData string) (model.BranchStatus, error) {
-	// TODO
-	return 0, nil
+func (t *TCCResourceManager) BranchRollback(ctx context.Context, ranchType model.BranchType, xid string, branchID int64, resourceID string, applicationData []byte) (model.BranchStatus, error) {
+	var tccResource *TCCResource
+	if resource, ok := t.resourceManagerMap.Load(resourceID); !ok {
+		err := fmt.Errorf("CC resource is not exist, resourceId: %s", resourceID)
+		return 0, err
+	} else {
+		tccResource, _ = resource.(*TCCResource)
+	}
+
+	err := tccResource.TCCServiceBean.Rollback(ctx, t.getBusinessActionContext(xid, branchID, resourceID, applicationData))
+	if err != nil {
+		return model.BranchStatusPhasetwoRollbacked, err
+	}
+	return model.BranchStatusPhasetwoRollbackFailedRetryable, err
 }
 
-func (t *TCCRm) GetBranchType() model.BranchType {
+func (t *TCCResourceManager) GetBranchType() model.BranchType {
 	return model.BranchTypeTCC
 }
diff --git a/pkg/rm/tcc/tcc_service.go b/pkg/rm/tcc/tcc_service.go
index 6f4d1edb..48dfc918 100644
--- a/pkg/rm/tcc/tcc_service.go
+++ b/pkg/rm/tcc/tcc_service.go
@@ -2,6 +2,16 @@ package tcc
 
 import (
 	"context"
+	"encoding/json"
+	"fmt"
+	"github.com/pkg/errors"
+	"github.com/seata/seata-go/pkg/common"
+	"github.com/seata/seata-go/pkg/common/model"
+	"github.com/seata/seata-go/pkg/rm"
+	api2 "github.com/seata/seata-go/pkg/rm/tcc/api"
+	"github.com/seata/seata-go/pkg/utils"
+	"github.com/seata/seata-go/pkg/utils/log"
+	"time"
 )
 
 import (
@@ -11,10 +21,99 @@ import (
 
 type TCCService interface {
 	Prepare(ctx context.Context, params interface{}) error
-	Commit(ctx context.Context, businessActionContext api.BusinessActionContext) error
-	Rollback(ctx context.Context, businessActionContext api.BusinessActionContext) error
+	Commit(ctx context.Context, businessActionContext api2.BusinessActionContext) error
+	Rollback(ctx context.Context, businessActionContext api2.BusinessActionContext) error
 
 	GetActionName() string
 	GetRemoteType() remoting.RemoteType
 	GetServiceType() remoting.ServiceType
 }
+
+type TCCServiceProxy struct {
+	TCCService
+}
+
+func NewTCCServiceProxy(tccService TCCService) TCCService {
+	if tccService == nil {
+		panic("param tccService should not be nil")
+	}
+
+	// register resource
+	tccResource := TCCResource{
+		TCCServiceBean:  tccService,
+		ResourceGroupId: "DEFAULT",
+		AppName:         "",
+		ActionName:      tccService.GetActionName(),
+	}
+	err := rm.GetResourceManagerFacadeInstance().GetResourceManager(model.BranchTypeTCC).RegisterResource(&tccResource)
+	if err != nil {
+		panic(fmt.Sprintf("NewTCCServiceProxy registerResource error: {%#v}", err.Error()))
+	}
+
+	return &TCCServiceProxy{
+		TCCService: tccService,
+	}
+}
+
+func (t *TCCServiceProxy) Prepare(ctx context.Context, param interface{}) error {
+	var err error
+	if model.IsSeataContext(ctx) {
+		// execute transaction
+		_, err = api.GetTransactionTemplate().Execute(ctx, t, param)
+	} else {
+		log.Warn("context is not inited as seata context, will not execute transaction!")
+		err = t.TCCService.Prepare(ctx, param)
+	}
+	return err
+}
+
+// register transaction branch, and then execute business
+func (t *TCCServiceProxy) Execute(ctx context.Context, param interface{}) (interface{}, error) {
+	// register transaction branch
+	err := t.RegisteBranch(ctx, param)
+	if err != nil {
+		return nil, err
+	}
+	return nil, t.TCCService.Prepare(ctx, param)
+}
+
+func (t *TCCServiceProxy) RegisteBranch(ctx context.Context, param interface{}) error {
+	// register transaction branch
+	if !model.HasXID(ctx) {
+		err := errors.New("BranchRegister error, xid should not be nil")
+		log.Errorf(err.Error())
+		return err
+	}
+	tccContext := make(map[string]interface{}, 0)
+	tccContext[common.StartTime] = time.Now().UnixNano() / 1e6
+	tccContext[common.HostName] = utils.GetLocalIp()
+	tccContextStr, _ := json.Marshal(tccContext)
+
+	branchId, err := rm.GetResourceManagerFacadeInstance().GetResourceManager(model.BranchTypeTCC).BranchRegister(
+		ctx, model.BranchTypeTCC, t.GetActionName(), "", model.GetXID(ctx), string(tccContextStr), "")
+	if err != nil {
+		err = errors.New(fmt.Sprintf("BranchRegister error: %v", err.Error()))
+		log.Error(err.Error())
+		return err
+	}
+
+	actionContext := &api2.BusinessActionContext{
+		Xid:           model.GetXID(ctx),
+		BranchId:      string(branchId),
+		ActionName:    t.GetActionName(),
+		ActionContext: param,
+	}
+	model.SetBusinessActionContext(ctx, actionContext)
+	return nil
+}
+
+func (t *TCCServiceProxy) GetTransactionInfo() api.TransactionInfo {
+	// todo replace with config
+	return api.TransactionInfo{
+		TimeOut: 10000,
+		Name:    t.GetActionName(),
+		//Propagation, Propagation
+		//LockRetryInternal, int64
+		//LockRetryTimes    int64
+	}
+}
diff --git a/pkg/rpc/getty/getty_client.go b/pkg/rpc/getty/getty_client.go
index ecc6ace9..1043160a 100644
--- a/pkg/rpc/getty/getty_client.go
+++ b/pkg/rpc/getty/getty_client.go
@@ -20,14 +20,7 @@ var (
 )
 
 type GettyRemotingClient struct {
-	//conf                         *config.ClientConfig
 	idGenerator *atomic.Uint32
-	//futures                      *sync.Map
-	//mergeMsgMap                  *sync.Map
-	//rpcMessageChannel            chan protocol.RpcMessage
-	//BranchCommitRequestChannel   chan RpcRMMessage
-	//BranchRollbackRequestChannel chan RpcRMMessage
-	//GettySessionOnOpenChannel    chan string
 }
 
 func GetGettyRemotingClient() *GettyRemotingClient {
@@ -58,6 +51,17 @@ func (client *GettyRemotingClient) SendAsyncRequest(msg interface{}) error {
 	return GetGettyRemotingInstance().SendASync(rpcMessage)
 }
 
+func (client *GettyRemotingClient) SendAsyncResponse(msg interface{}) error {
+	rpcMessage := protocol.RpcMessage{
+		ID:         int32(client.idGenerator.Inc()),
+		Type:       protocol.MSGTypeResponse,
+		Codec:      codec.SEATA,
+		Compressor: 0,
+		Body:       msg,
+	}
+	return GetGettyRemotingInstance().SendASync(rpcMessage)
+}
+
 func (client *GettyRemotingClient) SendSyncRequest(msg interface{}) (interface{}, error) {
 	rpcMessage := protocol.RpcMessage{
 		ID:         int32(client.idGenerator.Inc()),
@@ -79,73 +83,3 @@ func (client *GettyRemotingClient) SendSyncRequestWithTimeout(msg interface{}, t
 	}
 	return GetGettyRemotingInstance().SendSyncWithTimeout(rpcMessage, timeout)
 }
-
-//
-//func (client *GettyRemotingClient) RegisterResource(serverAddress string, request protocol.RegisterRMRequest) {
-//	session := clientSessionManager.AcquireGettySessionByServerAddress(serverAddress)
-//	if session != nil {
-//		err := client.sendAsyncRequestWithoutResponse(session, request)
-//		if err != nil {
-//			log.Errorf("register resource failed, session:{},resourceID:{}", session, request.ResourceIds)
-//		}
-//	}
-//}
-//
-//func loadBalance(transactionServiceGroup string) string {
-//	addressList := getAddressList(transactionServiceGroup)
-//	if len(addressList) == 1 {
-//		return addressList[0]
-//	}
-//	return addressList[rand.Intn(len(addressList))]
-//}
-//
-//func getAddressList(transactionServiceGroup string) []string {
-//	addressList := strings.Split(transactionServiceGroup, ",")
-//	return addressList
-//}
-//
-//func (client *GettyRemotingClient) processMergedMessage() {
-//	ticker := time.NewTicker(5 * time.Millisecond)
-//	mergedMessage := protocol.MergedWarpMessage{
-//		Msgs:   make([]protocol.MessageTypeAware, 0),
-//		MsgIds: make([]int32, 0),
-//	}
-//	for {
-//		select {
-//		case rpcMessage := <-client.rpcMessageChannel:
-//			message := rpcMessage.Body.(protocol.MessageTypeAware)
-//			mergedMessage.Msgs = append(mergedMessage.Msgs, message)
-//			mergedMessage.MsgIds = append(mergedMessage.MsgIds, rpcMessage.ID)
-//			if len(mergedMessage.Msgs) == 20 {
-//				client.sendMergedMessage(mergedMessage)
-//				mergedMessage = protocol.MergedWarpMessage{
-//					Msgs:   make([]protocol.MessageTypeAware, 0),
-//					MsgIds: make([]int32, 0),
-//				}
-//			}
-//		case <-ticker.C:
-//			if len(mergedMessage.Msgs) > 0 {
-//				client.sendMergedMessage(mergedMessage)
-//				mergedMessage = protocol.MergedWarpMessage{
-//					Msgs:   make([]protocol.MessageTypeAware, 0),
-//					MsgIds: make([]int32, 0),
-//				}
-//			}
-//		}
-//	}
-//}
-//
-//func (client *GettyRemotingClient) sendMergedMessage(mergedMessage protocol.MergedWarpMessage) {
-//	ss := clientSessionManager.AcquireGettySession()
-//	err := client.sendAsync(ss, mergedMessage)
-//	if err != nil {
-//		for _, id := range mergedMessage.MsgIds {
-//			resp, loaded := client.futures.Load(id)
-//			if loaded {
-//				response := resp.(*protocol.MessageFuture)
-//				response.Done <- true
-//				client.futures.Delete(id)
-//			}
-//		}
-//	}
-//}
diff --git a/pkg/rpc/getty/getty_remoting.go b/pkg/rpc/getty/getty_remoting.go
index 26c04232..85fb2801 100644
--- a/pkg/rpc/getty/getty_remoting.go
+++ b/pkg/rpc/getty/getty_remoting.go
@@ -60,6 +60,7 @@ func (client *GettyRemoting) SendASync(msg protocol.RpcMessage) error {
 	return err
 }
 
+// TODO 待重构
 func (client *GettyRemoting) sendAsync(session getty.Session, msg protocol.RpcMessage, timeout time.Duration) (interface{}, error) {
 	var err error
 	if session == nil || session.IsClosed() {
@@ -76,9 +77,15 @@ func (client *GettyRemoting) sendAsync(session getty.Session, msg protocol.RpcMe
 
 	log.Debugf("send message: %#v, session: %s", msg, session.Stat())
 
-	if timeout > time.Duration(0) {
+	actualTimeOut := timeout
+	if timeout <= time.Duration(0) {
+		// todo timeoue use config
+		actualTimeOut = time.Duration(200)
+	}
+
+	wait := func() (interface{}, error) {
 		select {
-		case <-gxtime.GetDefaultTimerWheel().After(timeout):
+		case <-gxtime.GetDefaultTimerWheel().After(actualTimeOut):
 			client.futures.Delete(msg.ID)
 			if session != nil {
 				return nil, errors.Errorf("wait response timeout, ip: %s, request: %#v", session.RemoteAddr(), msg)
@@ -91,6 +98,11 @@ func (client *GettyRemoting) sendAsync(session getty.Session, msg protocol.RpcMe
 		}
 	}
 
+	if timeout > time.Duration(0) {
+		return wait()
+	} else {
+		go wait()
+	}
 	return nil, err
 }
 
@@ -116,15 +128,15 @@ func (client *GettyRemoting) GetMergedMessage(msgID int32) *protocol.MergedWarpM
 	return nil
 }
 
-func (client *GettyRemoting) NotifytRpcMessageResponse(rpcMessage protocol.RpcMessage) {
+func (client *GettyRemoting) NotifyRpcMessageResponse(rpcMessage protocol.RpcMessage) {
 	messageFuture := client.GetMessageFuture(rpcMessage.ID)
 	if messageFuture != nil {
 		messageFuture.Response = rpcMessage.Body
-		// todo messageFuture.Err怎么配置呢？
+		// todo add messageFuture.Err
 		//messageFuture.Err = rpcMessage.Err
 		messageFuture.Done <- true
-		//client.futures.Delete(rpcMessage.ID)
+		//client.msgFutures.Delete(rpcMessage.ID)
 	} else {
-		log.Infof("msg: {} is not found in futures.", rpcMessage.ID)
+		log.Infof("msg: {} is not found in msgFutures.", rpcMessage.ID)
 	}
 }
diff --git a/pkg/rpc/getty/listener.go b/pkg/rpc/getty/listener.go
index be4e6c94..5f63db65 100644
--- a/pkg/rpc/getty/listener.go
+++ b/pkg/rpc/getty/listener.go
@@ -26,7 +26,7 @@ var (
 type gettyClientHandler struct {
 	conf           *config.ClientConfig
 	idGenerator    *atomic.Uint32
-	futures        *sync.Map
+	msgFutures     *sync.Map
 	mergeMsgMap    *sync.Map
 	processorTable map[protocol.MessageType]processor.RemotingProcessor
 }
@@ -37,7 +37,7 @@ func GetGettyClientHandlerInstance() *gettyClientHandler {
 			clientHandler = &gettyClientHandler{
 				conf:           config.GetDefaultClientConfig("seata-go"),
 				idGenerator:    &atomic.Uint32{},
-				futures:        &sync.Map{},
+				msgFutures:     &sync.Map{},
 				mergeMsgMap:    &sync.Map{},
 				processorTable: make(map[protocol.MessageType]processor.RemotingProcessor, 0),
 			}
@@ -46,41 +46,37 @@ func GetGettyClientHandlerInstance() *gettyClientHandler {
 	return clientHandler
 }
 
-// OnOpen ...
 func (client *gettyClientHandler) OnOpen(session getty.Session) error {
 	clientSessionManager.RegisterGettySession(session)
-	go func() {
-		request := protocol.RegisterTMRequest{AbstractIdentifyRequest: protocol.AbstractIdentifyRequest{
-			Version:                 client.conf.SeataVersion,
-			ApplicationId:           client.conf.ApplicationID,
-			TransactionServiceGroup: client.conf.TransactionServiceGroup,
-		}}
-		err := GetGettyRemotingClient().SendAsyncRequest(request)
-		//client.sendAsyncRequestWithResponse(session, request, RPC_REQUEST_TIMEOUT)
-		if err != nil {
-			log.Error("OnOpen error: {%#v}", err.Error())
-			clientSessionManager.ReleaseGettySession(session)
-			return
-		}
-
-		//todo
-		//client.GettySessionOnOpenChannel <- session.RemoteAddr()
-	}()
+	//go func() {
+	//	request := protocol.RegisterTMRequest{AbstractIdentifyRequest: protocol.AbstractIdentifyRequest{
+	//		Version:                 client.conf.SeataVersion,
+	//		ApplicationId:           client.conf.ApplicationID,
+	//		TransactionServiceGroup: client.conf.TransactionServiceGroup,
+	//	}}
+	//	err := GetGettyRemotingClient().SendAsyncRequest(request)
+	//	//client.sendAsyncRequestWithResponse(session, request, RPC_REQUEST_TIMEOUT)
+	//	if err != nil {
+	//		log.Error("OnOpen error: {%#v}", err.Error())
+	//		clientSessionManager.ReleaseGettySession(session)
+	//		return
+	//	}
+	//
+	//	//todo
+	//	//client.GettySessionOnOpenChannel <- session.RemoteAddr()
+	//}()
 
 	return nil
 }
 
-// OnError ...
 func (client *gettyClientHandler) OnError(session getty.Session, err error) {
 	clientSessionManager.ReleaseGettySession(session)
 }
 
-// OnClose ...
 func (client *gettyClientHandler) OnClose(session getty.Session) {
 	clientSessionManager.ReleaseGettySession(session)
 }
 
-// OnMessage ...
 func (client *gettyClientHandler) OnMessage(session getty.Session, pkg interface{}) {
 	// TODO 需要把session里面的关键信息存储到context中，以方便在后面流程中获取使用。比如，XID等等
 	ctx := context.Background()
@@ -104,9 +100,8 @@ func (client *gettyClientHandler) OnMessage(session getty.Session, pkg interface
 	}
 }
 
-// OnCron ...
 func (client *gettyClientHandler) OnCron(session getty.Session) {
-	//GetGettyRemotingClient().SendAsyncRequest(protocol.HeartBeatMessagePing)
+	// todo 发送心跳消息
 }
 
 func (client *gettyClientHandler) RegisterProcessor(msgType protocol.MessageType, processor processor.RemotingProcessor) {
diff --git a/pkg/rpc/getty/readwriter.go b/pkg/rpc/getty/readwriter.go
index 0ca3a2a1..d4891b40 100644
--- a/pkg/rpc/getty/readwriter.go
+++ b/pkg/rpc/getty/readwriter.go
@@ -50,6 +50,7 @@ var (
 	rpcPkgHandler = &RpcPackageHandler{}
 )
 
+// TODO 待重构
 var (
 	ErrNotEnoughStream = errors.New("packet stream is not enough")
 	ErrTooLargePackage = errors.New("package length is exceed the getty package's legal maximum length.")
diff --git a/pkg/rpc/getty/rpc_client.go b/pkg/rpc/getty/rpc_client.go
index 5b947fc2..504688e9 100644
--- a/pkg/rpc/getty/rpc_client.go
+++ b/pkg/rpc/getty/rpc_client.go
@@ -20,8 +20,7 @@ import (
 type RpcClient struct {
 	conf         *config.ClientConfig
 	gettyClients []getty.Client
-	//rpcHandler   RpcRemoteClient
-	futures *sync.Map
+	futures      *sync.Map
 }
 
 func init() {
@@ -32,7 +31,6 @@ func newRpcClient() *RpcClient {
 	rpcClient := &RpcClient{
 		conf:         config.GetClientConfig(),
 		gettyClients: make([]getty.Client, 0),
-		//rpcHandler:   *InitRpcRemoteClient(),
 	}
 	rpcClient.init()
 	return rpcClient
@@ -57,17 +55,6 @@ func (c *RpcClient) init() {
 
 // todo mock
 func getAvailServerList(config *config.ClientConfig) []string {
-	//reg, err := extension.GetRegistry(config.RegistryConfig.Mode)
-	//if err != nil {
-	//	logger.Errorf("Registry can not connect success, program is going to panic.Error message is %s", err.Error())
-	//	panic(err.Error())
-	//}
-	//addrs, err := reg.Lookup()
-	//if err != nil {
-	//	logger.Errorf("no hava valid server list", err.Error())
-	//	return nil
-	//}
-	//return addrs
 	return []string{"127.0.0.1:8091"}
 }
 
diff --git a/pkg/rpc/getty/rpc_rm_message.go b/pkg/rpc/getty/rpc_rm_message.go
deleted file mode 100644
index 2f5f77bc..00000000
--- a/pkg/rpc/getty/rpc_rm_message.go
+++ /dev/null
@@ -1,10 +0,0 @@
-package getty
-
-import (
-	"github.com/seata/seata-go/pkg/protocol"
-)
-
-type RpcRMMessage struct {
-	RpcMessage    protocol.RpcMessage
-	ServerAddress string
-}
diff --git a/pkg/rpc/processor/client/client_on_response_processor.go b/pkg/rpc/processor/client/client_on_response_processor.go
index b84772d5..6b9a35d3 100644
--- a/pkg/rpc/processor/client/client_on_response_processor.go
+++ b/pkg/rpc/processor/client/client_on_response_processor.go
@@ -17,6 +17,8 @@ func init() {
 	getty.GetGettyClientHandlerInstance().RegisterProcessor(protocol.MessageTypeBranchStatusReportResult, clientOnResponseProcessor)
 	getty.GetGettyClientHandlerInstance().RegisterProcessor(protocol.MessageTypeGlobalLockQueryResult, clientOnResponseProcessor)
 	getty.GetGettyClientHandlerInstance().RegisterProcessor(protocol.MessageTypeRegRmResult, clientOnResponseProcessor)
+	getty.GetGettyClientHandlerInstance().RegisterProcessor(protocol.MessageTypeGlobalBeginResult, clientOnResponseProcessor)
+	getty.GetGettyClientHandlerInstance().RegisterProcessor(protocol.MessageTypeGlobalCommitResult, clientOnResponseProcessor)
 }
 
 type clientOnResponseProcessor struct {
@@ -44,7 +46,7 @@ func (f *clientOnResponseProcessor) Process(ctx context.Context, rpcMessage prot
 		// 如果是请求消息，做处理逻辑
 		msgFuture := getty.GetGettyRemotingInstance().GetMessageFuture(rpcMessage.ID)
 		if msgFuture != nil {
-			getty.GetGettyRemotingInstance().NotifytRpcMessageResponse(rpcMessage)
+			getty.GetGettyRemotingInstance().NotifyRpcMessageResponse(rpcMessage)
 			getty.GetGettyRemotingInstance().RemoveMessageFuture(rpcMessage.ID)
 		} else {
 			if _, ok := rpcMessage.Body.(protocol.AbstractResultMessage); ok {
diff --git a/pkg/rpc/processor/client/rm_branch_commit_processor.go b/pkg/rpc/processor/client/rm_branch_commit_processor.go
new file mode 100644
index 00000000..5688102d
--- /dev/null
+++ b/pkg/rpc/processor/client/rm_branch_commit_processor.go
@@ -0,0 +1,48 @@
+package client
+
+import (
+	"context"
+	"github.com/seata/seata-go/pkg/protocol"
+	"github.com/seata/seata-go/pkg/rm"
+	"github.com/seata/seata-go/pkg/rpc/getty"
+	"github.com/seata/seata-go/pkg/utils/log"
+)
+
+func init() {
+	rmBranchCommitProcessor := &rmBranchCommitProcessor{}
+	getty.GetGettyClientHandlerInstance().RegisterProcessor(protocol.MessageTypeBranchCommit, rmBranchCommitProcessor)
+}
+
+type rmBranchCommitProcessor struct {
+}
+
+func (f *rmBranchCommitProcessor) Process(ctx context.Context, rpcMessage protocol.RpcMessage) error {
+	log.Infof("rm client handle branch commit process %v", rpcMessage)
+	request := rpcMessage.Body.(protocol.BranchCommitRequest)
+	xid := request.Xid
+	branchID := request.BranchId
+	resourceID := request.ResourceId
+	applicationData := request.ApplicationData
+	log.Infof("Branch committing: xid %s, branchID %s, resourceID %s, applicationData %s", xid, branchID, resourceID, applicationData)
+
+	status, err := rm.GetResourceManagerFacadeInstance().GetResourceManager(request.BranchType).BranchCommit(ctx, request.BranchType, xid, branchID, resourceID, applicationData)
+	if err != nil {
+		log.Infof("Branch commit error: %s", err.Error())
+		return err
+	}
+
+	// reply commit response to tc server
+	response := protocol.BranchCommitResponse{
+		AbstractBranchEndResponse: protocol.AbstractBranchEndResponse{
+			Xid:          xid,
+			BranchId:     branchID,
+			BranchStatus: status,
+		},
+	}
+	err = getty.GetGettyRemotingClient().SendAsyncResponse(response)
+	if err != nil {
+		log.Error("BranchCommitResponse error: {%#v}", err.Error())
+		return err
+	}
+	return nil
+}
diff --git a/pkg/rpc/processor/client/rm_branch_rollback_processor.go b/pkg/rpc/processor/client/rm_branch_rollback_processor.go
new file mode 100644
index 00000000..4e8026ad
--- /dev/null
+++ b/pkg/rpc/processor/client/rm_branch_rollback_processor.go
@@ -0,0 +1,48 @@
+package client
+
+import (
+	"context"
+	"github.com/seata/seata-go/pkg/protocol"
+	"github.com/seata/seata-go/pkg/rm"
+	"github.com/seata/seata-go/pkg/rpc/getty"
+	"github.com/seata/seata-go/pkg/utils/log"
+)
+
+func init() {
+	rmBranchCommitProcessor := &rmBranchCommitProcessor{}
+	getty.GetGettyClientHandlerInstance().RegisterProcessor(protocol.MessageTypeBranchCommit, rmBranchCommitProcessor)
+}
+
+type rmBranchRollbackProcessor struct {
+}
+
+func (f *rmBranchRollbackProcessor) Process(ctx context.Context, rpcMessage protocol.RpcMessage) error {
+	log.Infof("rm client handle branch commit process %v", rpcMessage)
+	request := rpcMessage.Body.(protocol.BranchCommitRequest)
+	xid := request.Xid
+	branchID := request.BranchId
+	resourceID := request.ResourceId
+	applicationData := request.ApplicationData
+	log.Infof("Branch committing: xid %s, branchID %s, resourceID %s, applicationData %s", xid, branchID, resourceID, applicationData)
+
+	status, err := rm.GetResourceManagerFacadeInstance().GetResourceManager(request.BranchType).BranchCommit(ctx, request.BranchType, xid, branchID, resourceID, applicationData)
+	if err != nil {
+		log.Infof("Branch commit error: %s", err.Error())
+		return err
+	}
+
+	// reply commit response to tc server
+	response := protocol.BranchCommitResponse{
+		AbstractBranchEndResponse: protocol.AbstractBranchEndResponse{
+			Xid:          xid,
+			BranchId:     branchID,
+			BranchStatus: status,
+		},
+	}
+	err = getty.GetGettyRemotingClient().SendAsyncResponse(response)
+	if err != nil {
+		log.Error("BranchCommitResponse error: {%#v}", err.Error())
+		return err
+	}
+	return nil
+}
diff --git a/pkg/tm/api/global_transaction.go b/pkg/tm/api/global_transaction.go
deleted file mode 100644
index c9a6320f..00000000
--- a/pkg/tm/api/global_transaction.go
+++ /dev/null
@@ -1,45 +0,0 @@
-package api
-
-import (
-	"github.com/seata/seata-go/pkg/common/model"
-)
-
-type GlobalTransactionRole int8
-
-const (
-	LAUNCHER    GlobalTransactionRole = 0
-	PARTICIPANT GlobalTransactionRole = 1
-)
-
-type GlobalTransaction interface {
-
-	// Begin a new global transaction with given timeout and given name.
-	begin(timeout int64, name string) error
-
-	// Commit the global transaction.
-	commit() error
-
-	// Rollback the global transaction.
-	rollback() error
-
-	// Suspend the global transaction.
-	suspend() (SuspendedResourcesHolder, error)
-
-	// Resume the global transaction.
-	resume(suspendedResourcesHolder SuspendedResourcesHolder) error
-
-	// Ask TC for current status of the corresponding global transaction.
-	getStatus() (model.GlobalStatus, error)
-
-	// Get XID.
-	getXid() string
-
-	// report the global transaction status.
-	globalReport(globalStatus model.GlobalStatus) error
-
-	// local status of the global transaction.
-	getLocalStatus() model.GlobalStatus
-
-	// get global transaction role.
-	getGlobalTransactionRole() GlobalTransactionRole
-}
diff --git a/pkg/tm/global_transaction.go b/pkg/tm/global_transaction.go
new file mode 100644
index 00000000..e69e8df9
--- /dev/null
+++ b/pkg/tm/global_transaction.go
@@ -0,0 +1,154 @@
+package tm
+
+import (
+	"context"
+	"fmt"
+	"github.com/pkg/errors"
+	"github.com/seata/seata-go/pkg/common/model"
+	"github.com/seata/seata-go/pkg/protocol"
+	"github.com/seata/seata-go/pkg/rpc/getty"
+	"github.com/seata/seata-go/pkg/tm/api"
+	"github.com/seata/seata-go/pkg/utils/log"
+	"sync"
+)
+
+type GlobalTransaction struct {
+	Xid    string
+	Status model.GlobalStatus
+	Role   model.GlobalTransactionRole
+}
+
+var (
+	// singletone ResourceManagerFacade
+	globalTransactionManager     *GlobalTransactionManager
+	onceGlobalTransactionManager = &sync.Once{}
+)
+
+func GetGlobalTransactionManager() *GlobalTransactionManager {
+	if globalTransactionManager == nil {
+		onceGlobalTransactionManager.Do(func() {
+			globalTransactionManager = &GlobalTransactionManager{}
+		})
+	}
+	return globalTransactionManager
+}
+
+type GlobalTransactionManager struct {
+}
+
+// Begin a new global transaction with given timeout and given name.
+func (g *GlobalTransactionManager) Begin(ctx context.Context, transaction *GlobalTransaction, timeout int32, name string) error {
+	if transaction.Role != model.LAUNCHER {
+		log.Infof("Ignore Begin(): just involved in global transaction %s", transaction.Xid)
+		return nil
+	}
+	if transaction.Xid != "" {
+		return errors.New(fmt.Sprintf("Global transaction already exists,can't begin a new global transaction, currentXid = %s ", transaction.Xid))
+	}
+
+	req := protocol.GlobalBeginRequest{
+		TransactionName: name,
+		Timeout:         timeout,
+	}
+	res, err := getty.GetGettyRemotingClient().SendSyncRequest(req)
+	if err != nil {
+		log.Errorf("GlobalBeginRequest error, xid %s, error %v", transaction.Xid, err)
+		return err
+	}
+	if res == nil || res.(protocol.GlobalBeginResponse).ResultCode == protocol.ResultCodeFailed {
+		log.Errorf("GlobalBeginRequest error, xid %s, res %v", transaction.Xid, res)
+		return err
+	}
+	log.Infof("GlobalBeginRequest success, xid %s, res %v", transaction.Xid, res)
+
+	transaction.Status = model.Begin
+	transaction.Xid = res.(protocol.GlobalBeginResponse).Xid
+	model.SetXID(ctx, res.(protocol.GlobalBeginResponse).Xid)
+	return nil
+}
+
+// Commit the global transaction.
+func (g *GlobalTransactionManager) Commit(ctx context.Context, transaction *GlobalTransaction) error {
+	if transaction.Role != model.LAUNCHER {
+		log.Infof("Ignore Commit(): just involved in global transaction [{}]", transaction.Xid)
+		return nil
+	}
+	if transaction.Xid == "" {
+		return errors.New("Commit xid should not be empty")
+	}
+
+	// todo: replace retry with config
+	var (
+		err error
+		res interface{}
+	)
+	for retry := 5; retry > 0; retry-- {
+		req := protocol.GlobalCommitRequest{
+			AbstractGlobalEndRequest: protocol.AbstractGlobalEndRequest{
+				Xid: transaction.Xid,
+			},
+		}
+		res, err = getty.GetGettyRemotingClient().SendSyncRequest(req)
+		if err != nil {
+			log.Errorf("GlobalCommitRequest error, xid %s, error %v", transaction.Xid, err)
+		} else {
+			break
+		}
+	}
+	if err == nil && res != nil {
+		transaction.Status = res.(protocol.GlobalCommitResponse).GlobalStatus
+	}
+	model.UnbindXid(ctx)
+	log.Infof("GlobalCommitRequest commit success, xid %s", transaction.Xid)
+	return err
+}
+
+// Rollback the global transaction.
+func (g *GlobalTransactionManager) Rollback(ctx context.Context, transaction *GlobalTransaction) error {
+	if transaction.Role != model.LAUNCHER {
+		log.Infof("Ignore Commit(): just involved in global transaction [{}]", transaction.Xid)
+		return nil
+	}
+	if transaction.Xid == "" {
+		return errors.New("Commit xid should not be empty")
+	}
+
+	// todo: replace retry with config
+	var (
+		err error
+		res interface{}
+	)
+	for retry := 5; retry > 0; retry-- {
+		req := protocol.GlobalRollbackRequest{
+			AbstractGlobalEndRequest: protocol.AbstractGlobalEndRequest{
+				Xid: transaction.Xid,
+			},
+		}
+		res, err = getty.GetGettyRemotingClient().SendSyncRequest(req)
+		if err != nil {
+			log.Errorf("GlobalRollbackRequest error, xid %s, error %v", transaction.Xid, err)
+		} else {
+			break
+		}
+	}
+	if err == nil && res != nil {
+		transaction.Status = res.(protocol.GlobalRollbackResponse).GlobalStatus
+	}
+	model.UnbindXid(ctx)
+	return err
+}
+
+// Suspend the global transaction.
+func (g *GlobalTransactionManager) Suspend() (api.SuspendedResourcesHolder, error) {
+	panic("implement me")
+}
+
+// Resume the global transaction.
+func (g *GlobalTransactionManager) Resume(suspendedResourcesHolder api.SuspendedResourcesHolder) error {
+	panic("implement me")
+}
+
+// report the global transaction status.
+func (g *GlobalTransactionManager) GlobalReport(globalStatus model.GlobalStatus) error {
+	panic("implement me")
+}
diff --git a/pkg/utils/error/error.go b/pkg/utils/error/error.go
new file mode 100644
index 00000000..6f58cc19
--- /dev/null
+++ b/pkg/utils/error/error.go
@@ -0,0 +1,7 @@
+package error
+
+type ErrorCode int32
+
+const (
+	ErrorCode_IllegalState ErrorCode = 40001
+)
diff --git a/pkg/utils/net_utils.go b/pkg/utils/net_utils.go
new file mode 100644
index 00000000..a5027e78
--- /dev/null
+++ b/pkg/utils/net_utils.go
@@ -0,0 +1,6 @@
+package utils
+
+func GetLocalIp() string {
+	// todo
+	return "127.0.0.1"
+}
diff --git a/pkg/utils/xid/xid_utils.go b/pkg/utils/xid/xid_utils.go
index de6a3162..bf3cab19 100644
--- a/pkg/utils/xid/xid_utils.go
+++ b/pkg/utils/xid/xid_utils.go
@@ -2,14 +2,11 @@ package xid_utils
 
 import (
 	"context"
-)
-
-import (
-	"github.com/seata/seata-go/pkg/common"
+	"github.com/seata/seata-go/pkg/common/model"
 )
 
 func GetXID(ctx context.Context) string {
-	xid := ctx.Value(common.XID)
+	xid := ctx.Value(model.XID)
 	if xid == nil {
 		return ""
 	}
@@ -21,5 +18,5 @@ func HasXID(ctx context.Context) bool {
 }
 
 func SetXID(ctx context.Context, xid string) context.Context {
-	return context.WithValue(ctx, common.XID, xid)
+	return context.WithValue(ctx, model.XID, xid)
 }
diff --git a/test/tcc_service_test.go b/test/tcc_service_test.go
new file mode 100644
index 00000000..cc7064ff
--- /dev/null
+++ b/test/tcc_service_test.go
@@ -0,0 +1,49 @@
+package test
+
+import (
+	"context"
+	"github.com/seata/seata-go/pkg/common/model"
+	_ "github.com/seata/seata-go/pkg/imports"
+	"github.com/seata/seata-go/pkg/rm/tcc"
+	"github.com/seata/seata-go/pkg/rm/tcc/api"
+	"github.com/seata/seata-go/pkg/rm/tcc/remoting"
+	"github.com/seata/seata-go/pkg/utils/log"
+	"testing"
+)
+
+type TestTCCServiceBusiness struct {
+}
+
+func (T TestTCCServiceBusiness) Prepare(ctx context.Context, params interface{}) error {
+	log.Infof("TestTCCServiceBusiness Prepare, param %v", params)
+	return nil
+}
+
+func (T TestTCCServiceBusiness) Commit(ctx context.Context, businessActionContext api.BusinessActionContext) error {
+	log.Infof("TestTCCServiceBusiness Commit, param %v", businessActionContext)
+	return nil
+}
+
+func (T TestTCCServiceBusiness) Rollback(ctx context.Context, businessActionContext api.BusinessActionContext) error {
+	log.Infof("TestTCCServiceBusiness Rollback, param %v", businessActionContext)
+	return nil
+}
+
+func (T TestTCCServiceBusiness) GetActionName() string {
+	return "TestTCCServiceBusiness"
+}
+
+func (T TestTCCServiceBusiness) GetRemoteType() remoting.RemoteType {
+	return remoting.RemoteTypeLocalService
+}
+
+func (T TestTCCServiceBusiness) GetServiceType() remoting.ServiceType {
+	return remoting.ServiceTypeProvider
+}
+
+func TestNew(test *testing.T) {
+	tccService := tcc.NewTCCServiceProxy(TestTCCServiceBusiness{})
+	tccService.Prepare(model.InitSeataContext(context.Background()), 1)
+
+	//time.Sleep(time.Second * 1000)
+}
diff --git a/testdata/mock/mock_tcc_service.go b/testdata/mock/mock_tcc_service.go
index 938066dd..b2181fc7 100644
--- a/testdata/mock/mock_tcc_service.go
+++ b/testdata/mock/mock_tcc_service.go
@@ -3,10 +3,10 @@ package mock
 import (
 	"context"
 	"fmt"
+	"github.com/seata/seata-go/pkg/rm/tcc/api"
 )
 
 import (
-	"github.com/seata/seata-go/pkg/rm/api"
 	"github.com/seata/seata-go/pkg/rm/tcc/remoting"
 	_ "github.com/seata/seata-go/pkg/utils/xid"
 	xid_utils "github.com/seata/seata-go/pkg/utils/xid"