Polish CI error message. test=develop (#21642)

tools/check_api_approvals.sh

@@ -75,7 +75,7 @@ fi
 
 op_desc_diff=`python ${PADDLE_ROOT}/tools/check_op_desc.py ${PADDLE_ROOT}/paddle/fluid/OP_DESC_DEV.spec  ${PADDLE_ROOT}/paddle/fluid/OP_DESC_PR.spec`
 if [ "$op_desc_diff" != "" ]; then
-    echo_line="You must have one RD (liym27 (Recommend), zhhsplendid, Aurelius84, lanxianghit or phlrain) approval for the changes of Inputs/Output/Attrs of OPs. The changes of OPs will cause that the new version inference fails to load model trained by the old version.\n"
+    echo_line="You must have one RD (liym27 (Recommend), zhhsplendid, Aurelius84, lanxianghit or phlrain) approval for the changes of Inputs/Output/Attrs of OPs. The changes of OPs will cause that the new version inference fails to load model trained by the old version. Please modify your code. \n For more details, please click [https://github.com/PaddlePaddle/Paddle/wiki/OP-Input-Output-Attribute-Compatibility-Modification].\n${op_desc_diff}\n"
     check_approval 1 33742067 7913861 9301846 47554610 43953930
 fi
 
@@ -173,8 +173,6 @@ fi
 
 python ${PADDLE_ROOT}/tools/diff_api.py ${PADDLE_ROOT}/paddle/fluid/API_DEV.spec  ${PADDLE_ROOT}/paddle/fluid/API_PR.spec
 python ${PADDLE_ROOT}/tools/check_op_register_type.py ${PADDLE_ROOT}/paddle/fluid/OP_TYPE_DEV.spec  ${PADDLE_ROOT}/paddle/fluid/OP_TYPE_PR.spec
-python ${PADDLE_ROOT}/tools/check_op_desc.py ${PADDLE_ROOT}/paddle/fluid/OP_DESC_DEV.spec  ${PADDLE_ROOT}/paddle/fluid/OP_DESC_PR.spec
-
 if [ -n "${echo_list}" ]; then
   exit 1
 fi

tools/check_op_desc.py

@@ -245,7 +245,6 @@ if len(sys.argv) == 3:
     if error:
         print("-" * 30)
         print_error_message(error_message)
-        print_repeat_process()
         print("-" * 30)
 else:
     print("Usage: python check_op_desc.py OP_DESC_DEV.spec OP_DESC_PR.spec")