diff --git a/dubhe-visual-server/backend/backend/api/api.py b/dubhe-visual-server/backend/backend/api/api.py
index afe05fc..0bc73c3 100644
--- a/dubhe-visual-server/backend/backend/api/api.py
+++ b/dubhe-visual-server/backend/backend/api/api.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from .utils import *
 from backend.component import *
 from django.views.decorators.gzip import gzip_page
diff --git a/dubhe-visual-server/backend/backend/api/utils.py b/dubhe-visual-server/backend/backend/api/utils.py
index 1394929..90d93c2 100644
--- a/dubhe-visual-server/backend/backend/api/utils.py
+++ b/dubhe-visual-server/backend/backend/api/utils.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 import re
 import time
 from pathlib import Path
diff --git a/dubhe-visual-server/backend/backend/component/Audio/audio_read.py b/dubhe-visual-server/backend/backend/component/Audio/audio_read.py
index 9f448ef..530758a 100644
--- a/dubhe-visual-server/backend/backend/component/Audio/audio_read.py
+++ b/dubhe-visual-server/backend/backend/component/Audio/audio_read.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 
 
 class audio_read:
diff --git a/dubhe-visual-server/backend/backend/component/Audio/provider.py b/dubhe-visual-server/backend/backend/component/Audio/provider.py
index 2897890..bb09e47 100644
--- a/dubhe-visual-server/backend/backend/component/Audio/provider.py
+++ b/dubhe-visual-server/backend/backend/component/Audio/provider.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from utils.cache_io import CacheIO
 from utils.path_utils import get_file_path
 from .audio_read import audio_read
diff --git a/dubhe-visual-server/backend/backend/component/Distribution/dist_read.py b/dubhe-visual-server/backend/backend/component/Distribution/dist_read.py
index a2c3b08..ccc804c 100644
--- a/dubhe-visual-server/backend/backend/component/Distribution/dist_read.py
+++ b/dubhe-visual-server/backend/backend/component/Distribution/dist_read.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 import numpy as np
 
 from backend.component.Histogram.hist_read import histogram_read
diff --git a/dubhe-visual-server/backend/backend/component/Distribution/provider.py b/dubhe-visual-server/backend/backend/component/Distribution/provider.py
index a85a6cd..5633379 100644
--- a/dubhe-visual-server/backend/backend/component/Distribution/provider.py
+++ b/dubhe-visual-server/backend/backend/component/Distribution/provider.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from utils.cache_io import CacheIO
 from utils.path_utils import get_file_path
 from .dist_read import distribution_read
diff --git a/dubhe-visual-server/backend/backend/component/Exception/exception_read.py b/dubhe-visual-server/backend/backend/component/Exception/exception_read.py
index 9e62f40..860cff6 100644
--- a/dubhe-visual-server/backend/backend/component/Exception/exception_read.py
+++ b/dubhe-visual-server/backend/backend/component/Exception/exception_read.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 import numpy as np
 import math
 from .histogram import Histogram
diff --git a/dubhe-visual-server/backend/backend/component/Exception/histogram.py b/dubhe-visual-server/backend/backend/component/Exception/histogram.py
index edf41ca..fd9e171 100644
--- a/dubhe-visual-server/backend/backend/component/Exception/histogram.py
+++ b/dubhe-visual-server/backend/backend/component/Exception/histogram.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 import numpy as np
 
 
diff --git a/dubhe-visual-server/backend/backend/component/Exception/provider.py b/dubhe-visual-server/backend/backend/component/Exception/provider.py
index 1b5da8b..d113017 100644
--- a/dubhe-visual-server/backend/backend/component/Exception/provider.py
+++ b/dubhe-visual-server/backend/backend/component/Exception/provider.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from utils.cache_io import CacheIO
 from utils.path_utils import get_file_path
 from .exception_read import Exception_read
diff --git a/dubhe-visual-server/backend/backend/component/Graph/graph.py b/dubhe-visual-server/backend/backend/component/Graph/graph.py
index 53d2989..c83efce 100644
--- a/dubhe-visual-server/backend/backend/component/Graph/graph.py
+++ b/dubhe-visual-server/backend/backend/component/Graph/graph.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from __future__ import division, print_function, with_statement
 from __future__ import unicode_literals  # at top of module
 
diff --git a/dubhe-visual-server/backend/backend/component/Graph/graph_read.py b/dubhe-visual-server/backend/backend/component/Graph/graph_read.py
index ccb22f8..7c19732 100644
--- a/dubhe-visual-server/backend/backend/component/Graph/graph_read.py
+++ b/dubhe-visual-server/backend/backend/component/Graph/graph_read.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from backend.component.Graph.graph import Node
 from backend.component.Graph.graph import Proxy
 
diff --git a/dubhe-visual-server/backend/backend/component/Graph/parse_json.py b/dubhe-visual-server/backend/backend/component/Graph/parse_json.py
index 585def2..32f096a 100644
--- a/dubhe-visual-server/backend/backend/component/Graph/parse_json.py
+++ b/dubhe-visual-server/backend/backend/component/Graph/parse_json.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from .graph import Node, Graph, TreeNode
 from collections import defaultdict
 
diff --git a/dubhe-visual-server/backend/backend/component/Graph/provider.py b/dubhe-visual-server/backend/backend/component/Graph/provider.py
index 960c823..edba36e 100644
--- a/dubhe-visual-server/backend/backend/component/Graph/provider.py
+++ b/dubhe-visual-server/backend/backend/component/Graph/provider.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 import json
 from utils.cache_io import CacheIO
 from utils.path_utils import get_file_path
diff --git a/dubhe-visual-server/backend/backend/component/Graph/s_graph_read.py b/dubhe-visual-server/backend/backend/component/Graph/s_graph_read.py
index e1749ab..e3e80f8 100644
--- a/dubhe-visual-server/backend/backend/component/Graph/s_graph_read.py
+++ b/dubhe-visual-server/backend/backend/component/Graph/s_graph_read.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 import json
 from backend.component.Graph.parse_json import Proxy_json
 from backend.component.Graph.graph import Node
diff --git a/dubhe-visual-server/backend/backend/component/Histogram/hist_read.py b/dubhe-visual-server/backend/backend/component/Histogram/hist_read.py
index c97cad6..c7d709e 100644
--- a/dubhe-visual-server/backend/backend/component/Histogram/hist_read.py
+++ b/dubhe-visual-server/backend/backend/component/Histogram/hist_read.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 import random
 
 
diff --git a/dubhe-visual-server/backend/backend/component/Histogram/hist_summary.py b/dubhe-visual-server/backend/backend/component/Histogram/hist_summary.py
index 3d54d28..be80c38 100644
--- a/dubhe-visual-server/backend/backend/component/Histogram/hist_summary.py
+++ b/dubhe-visual-server/backend/backend/component/Histogram/hist_summary.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 import numpy as np
 
 
diff --git a/dubhe-visual-server/backend/backend/component/Histogram/provider.py b/dubhe-visual-server/backend/backend/component/Histogram/provider.py
index 345e44a..ca30fae 100644
--- a/dubhe-visual-server/backend/backend/component/Histogram/provider.py
+++ b/dubhe-visual-server/backend/backend/component/Histogram/provider.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from utils.cache_io import CacheIO
 from .hist_read import histogram_read
 from utils.path_utils import get_file_path
diff --git a/dubhe-visual-server/backend/backend/component/Hparams/hparams_read.py b/dubhe-visual-server/backend/backend/component/Hparams/hparams_read.py
index 75a9e2e..72baa98 100644
--- a/dubhe-visual-server/backend/backend/component/Hparams/hparams_read.py
+++ b/dubhe-visual-server/backend/backend/component/Hparams/hparams_read.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 def get_proto_value(value):
     _data = None
     if value.HasField("number_value"):
diff --git a/dubhe-visual-server/backend/backend/component/Hparams/provider.py b/dubhe-visual-server/backend/backend/component/Hparams/provider.py
index e578926..3c9834b 100644
--- a/dubhe-visual-server/backend/backend/component/Hparams/provider.py
+++ b/dubhe-visual-server/backend/backend/component/Hparams/provider.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from utils.cache_io import CacheIO
 from .hparams_read import hparams_read
 from utils.path_utils import get_file_path
diff --git a/dubhe-visual-server/backend/backend/component/Image/image_read.py b/dubhe-visual-server/backend/backend/component/Image/image_read.py
index 14e3177..4dc8b22 100644
--- a/dubhe-visual-server/backend/backend/component/Image/image_read.py
+++ b/dubhe-visual-server/backend/backend/component/Image/image_read.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 
 
 class image_read:
diff --git a/dubhe-visual-server/backend/backend/component/Image/provider.py b/dubhe-visual-server/backend/backend/component/Image/provider.py
index 9829778..727916a 100644
--- a/dubhe-visual-server/backend/backend/component/Image/provider.py
+++ b/dubhe-visual-server/backend/backend/component/Image/provider.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from utils.cache_io import CacheIO
 from utils.path_utils import get_file_path
 from .image_read import image_read
diff --git a/dubhe-visual-server/backend/backend/component/Projector/projector_read.py b/dubhe-visual-server/backend/backend/component/Projector/projector_read.py
index b6c5c35..de204c2 100644
--- a/dubhe-visual-server/backend/backend/component/Projector/projector_read.py
+++ b/dubhe-visual-server/backend/backend/component/Projector/projector_read.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 
 
 class projector_read:
diff --git a/dubhe-visual-server/backend/backend/component/Projector/projector_reduction.py b/dubhe-visual-server/backend/backend/component/Projector/projector_reduction.py
index adea72a..d11eede 100644
--- a/dubhe-visual-server/backend/backend/component/Projector/projector_reduction.py
+++ b/dubhe-visual-server/backend/backend/component/Projector/projector_reduction.py
@@ -1,22 +1,25 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from sklearn.decomposition import PCA
 import numpy as np
 from tsne import bh_sne
 
+
 class projector_reduction:
     def __init__(self, data, method, dimension=None):
         self.data = self.data_preprocess(data)
diff --git a/dubhe-visual-server/backend/backend/component/Projector/provider.py b/dubhe-visual-server/backend/backend/component/Projector/provider.py
index f5f7692..0b747f1 100644
--- a/dubhe-visual-server/backend/backend/component/Projector/provider.py
+++ b/dubhe-visual-server/backend/backend/component/Projector/provider.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from PIL import Image
 import io
 from utils.cache_io import CacheIO
diff --git a/dubhe-visual-server/backend/backend/component/Scalar/provider.py b/dubhe-visual-server/backend/backend/component/Scalar/provider.py
index b444f80..8a2d2c9 100644
--- a/dubhe-visual-server/backend/backend/component/Scalar/provider.py
+++ b/dubhe-visual-server/backend/backend/component/Scalar/provider.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from utils.cache_io import CacheIO
 from .scalar_read import scalar_read
 from utils.path_utils import get_file_path
diff --git a/dubhe-visual-server/backend/backend/component/Scalar/scalar_read.py b/dubhe-visual-server/backend/backend/component/Scalar/scalar_read.py
index a858fe0..d2c6f30 100644
--- a/dubhe-visual-server/backend/backend/component/Scalar/scalar_read.py
+++ b/dubhe-visual-server/backend/backend/component/Scalar/scalar_read.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 
 
 class scalar_read:
diff --git a/dubhe-visual-server/backend/backend/component/Text/provider.py b/dubhe-visual-server/backend/backend/component/Text/provider.py
index 1f96e65..6c74437 100644
--- a/dubhe-visual-server/backend/backend/component/Text/provider.py
+++ b/dubhe-visual-server/backend/backend/component/Text/provider.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from utils.cache_io import CacheIO
 from utils.path_utils import get_file_path
 from .text_read import text_read
diff --git a/dubhe-visual-server/backend/backend/component/Text/text_read.py b/dubhe-visual-server/backend/backend/component/Text/text_read.py
index 8f4fbf5..1bce5eb 100644
--- a/dubhe-visual-server/backend/backend/component/Text/text_read.py
+++ b/dubhe-visual-server/backend/backend/component/Text/text_read.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 
 
 def _warp_values(values):
diff --git a/dubhe-visual-server/backend/backend/component/__init__.py b/dubhe-visual-server/backend/backend/component/__init__.py
index e84bcb5..6689a75 100644
--- a/dubhe-visual-server/backend/backend/component/__init__.py
+++ b/dubhe-visual-server/backend/backend/component/__init__.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 __all__ = [
     "get_scalar_data", "get_histogram_data", "get_distribution_data",
     "get_text_data", "get_audio_meta_data", "get_audio_data",
diff --git a/dubhe-visual-server/backend/backend/data_provider/session_mdw.py b/dubhe-visual-server/backend/backend/data_provider/session_mdw.py
index e097d03..5cec794 100644
--- a/dubhe-visual-server/backend/backend/data_provider/session_mdw.py
+++ b/dubhe-visual-server/backend/backend/data_provider/session_mdw.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from django.http import JsonResponse
 
 
diff --git a/dubhe-visual-server/backend/main.py b/dubhe-visual-server/backend/main.py
index f7d11f6..75c353f 100644
--- a/dubhe-visual-server/backend/main.py
+++ b/dubhe-visual-server/backend/main.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from absl import app, flags
 import manage
 import sys
diff --git a/dubhe-visual-server/init.sh b/dubhe-visual-server/init.sh
index ded5905..fcf5a21 100644
--- a/dubhe-visual-server/init.sh
+++ b/dubhe-visual-server/init.sh
@@ -1,11 +1,24 @@
 #!/bin/bash
+echo '开始下载anaconda，版本Anaconda3-2020.07-Linux-x86_64 ...'
 wget https://repo.anaconda.com/archive/Anaconda3-2020.07-Linux-x86_64.sh
+
+echo '安装anaconda环境 ...'
+
 bash Anaconda3-2020.07-Linux-x86_64.sh
 echo 'export PATH=$PATH:/root/anaconda3/bin'>>/root/.bashrc
 
 source /root/.bashrc
 
+echo 'conda 安装完毕，执行依赖环境初始化操作...'
+
 conda env create --file dubhe_visual.yaml
 
-echo '环境初始化成功，启动服务请执行：source start_server.sh'
+echo 'conda dubhe_visual虚拟环境初始化成功，进入环境并执行数据初始化操作...'
+
+conda activate dubhe_visual
+
+cd backend/
+python manage.py migrate
+
+echo '数据库初始化成功，启动服务请执行：source start_server.sh'
 
diff --git a/dubhe-visual-server/parser_service/master.py b/dubhe-visual-server/parser_service/master.py
index 5aae4ee..4eb76e9 100644
--- a/dubhe-visual-server/parser_service/master.py
+++ b/dubhe-visual-server/parser_service/master.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 import sys
 sys.path.append('../service_utils')
 from python_io import logfile_utils
diff --git a/dubhe-visual-server/parser_service/python_io/dictionary_watcher.py b/dubhe-visual-server/parser_service/python_io/dictionary_watcher.py
index 5b1ca1f..6fe2d3f 100644
--- a/dubhe-visual-server/parser_service/python_io/dictionary_watcher.py
+++ b/dubhe-visual-server/parser_service/python_io/dictionary_watcher.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 import os
 from watchdog.observers.polling import PollingObserver
 from watchdog.events import *
diff --git a/dubhe-visual-server/parser_service/python_io/lazy_load.py b/dubhe-visual-server/parser_service/python_io/lazy_load.py
index 3971b61..fa61faa 100644
--- a/dubhe-visual-server/parser_service/python_io/lazy_load.py
+++ b/dubhe-visual-server/parser_service/python_io/lazy_load.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from pathlib import Path
 from typing import Union
 import os
diff --git a/dubhe-visual-server/parser_service/python_io/logfile_loader.py b/dubhe-visual-server/parser_service/python_io/logfile_loader.py
index 07d44fa..6032f9e 100644
--- a/dubhe-visual-server/parser_service/python_io/logfile_loader.py
+++ b/dubhe-visual-server/parser_service/python_io/logfile_loader.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 import threading
 import time
 from io import BytesIO
diff --git a/dubhe-visual-server/parser_service/python_io/logfile_utils.py b/dubhe-visual-server/parser_service/python_io/logfile_utils.py
index f7ff85f..226f43e 100644
--- a/dubhe-visual-server/parser_service/python_io/logfile_utils.py
+++ b/dubhe-visual-server/parser_service/python_io/logfile_utils.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from pathlib import Path
 
 
diff --git a/dubhe-visual-server/parser_service/tbparser/graph_reader.py b/dubhe-visual-server/parser_service/tbparser/graph_reader.py
index 4cfa0c7..20e34ea 100644
--- a/dubhe-visual-server/parser_service/tbparser/graph_reader.py
+++ b/dubhe-visual-server/parser_service/tbparser/graph_reader.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from tbparser.events_reader import EventReadingError, EventsFileReader
 from tensorboard.compat.proto.graph_pb2 import GraphDef
 from pathlib import Path
diff --git a/dubhe-visual-server/parser_service/tbparser/projector_reader.py b/dubhe-visual-server/parser_service/tbparser/projector_reader.py
index 5f08848..38cbff6 100644
--- a/dubhe-visual-server/parser_service/tbparser/projector_reader.py
+++ b/dubhe-visual-server/parser_service/tbparser/projector_reader.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from oneflow.customized.utils import projector_pb2
 from collections.abc import Iterable
 from typing import BinaryIO
diff --git a/dubhe-visual-server/service_utils/monitor.py b/dubhe-visual-server/service_utils/monitor.py
index 5b7cc0d..cf2e9a0 100644
--- a/dubhe-visual-server/service_utils/monitor.py
+++ b/dubhe-visual-server/service_utils/monitor.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from utils.redis_utils import RedisInstance
 import json
 import time
diff --git a/dubhe-visual-server/service_utils/utils/cache_io.py b/dubhe-visual-server/service_utils/utils/cache_io.py
index 0ef35e4..dd8f8bf 100644
--- a/dubhe-visual-server/service_utils/utils/cache_io.py
+++ b/dubhe-visual-server/service_utils/utils/cache_io.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 import pickle
 
 
diff --git a/dubhe-visual-server/service_utils/utils/config_utils.py b/dubhe-visual-server/service_utils/utils/config_utils.py
index ebc6888..eecb7dc 100644
--- a/dubhe-visual-server/service_utils/utils/config_utils.py
+++ b/dubhe-visual-server/service_utils/utils/config_utils.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 import configparser
 from os import path
 
diff --git a/dubhe-visual-server/service_utils/utils/path_utils.py b/dubhe-visual-server/service_utils/utils/path_utils.py
index 92a7933..acb9918 100644
--- a/dubhe-visual-server/service_utils/utils/path_utils.py
+++ b/dubhe-visual-server/service_utils/utils/path_utils.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 from pathlib import Path
 from .redis_utils import RedisInstance
 from .config_utils import ConfigInstance
diff --git a/dubhe-visual-server/service_utils/utils/redis_utils.py b/dubhe-visual-server/service_utils/utils/redis_utils.py
index ad9a0d2..b8604d5 100644
--- a/dubhe-visual-server/service_utils/utils/redis_utils.py
+++ b/dubhe-visual-server/service_utils/utils/redis_utils.py
@@ -1,18 +1,20 @@
 # -*- coding: UTF-8 -*-
-#  Copyright 2020 Zhejiang Lab. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#  =============================================================
+"""
+ Copyright 2020 Tianshu AI Platform. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ =============================================================
+"""
 import redis
 from pathlib import Path
 from .config_utils import ConfigInstance
diff --git a/dubhe-visual-server/start_server.sh b/dubhe-visual-server/start_server.sh
index 407a3e8..06e3c91 100644
--- a/dubhe-visual-server/start_server.sh
+++ b/dubhe-visual-server/start_server.sh
@@ -8,11 +8,11 @@ cd backend/
 nohup python $DIRNAME/backend/main.py --port 9898 >django.log 2>&1 &
 echo 'http 服务启动'
 
-cd parser_service/
+cd ../parser_service/
 nohup python $DIRNAME/parser_service/master.py >server.log 2>&1 &
 echo 'parser 服务启动'
 
-cd service_utils/
+cd ../service_utils/
 nohup python $DIRNAME/service_utils/monitor.py >monitor.log 2>&1 &
 echo 'monitor 服务启动'