diff --git a/cmake/external_libs/json.cmake b/cmake/external_libs/json.cmake
index f486752..14db2b9 100755
--- a/cmake/external_libs/json.cmake
+++ b/cmake/external_libs/json.cmake
@@ -6,9 +6,9 @@ include(ExternalProject)
 
 set(JSON_SRC_DIR ${CMAKE_BINARY_DIR}/opensrc/json/include)
 if (PARSER_PB_PKG)
-    set(REQ_URL "${PARSER_PB_PKG}/libs/ge_nlohmann_json/include.zip")
-    set(MD5 "0dc903888211db3a0f170304cd9f3a89")
-    set(JSON_INCLUDE_DIR ${JSON_SRC_DIR})
+    set(REQ_URL "https://ascend-cann.obs.myhuaweicloud.com/json/repository/archive/json-v3.10.1.zip")
+    set(MD5 "")
+    set(JSON_INCLUDE_DIR ${JSON_SRC_DIR}/include)
 #if (ENABLE_GITEE)
 #    set(REQ_URL "https://gitee.com/mirrors/JSON-for-Modern-CPP/repository/archive/v3.6.1.zip")
 #    set(MD5 "5bda78ce308e6cfcf614dcf1d5ff27a7")