diff --git a/tools/check_api_approvals.sh b/tools/check_api_approvals.sh
index a959f23a0176f4a59b8466e376d5e4d0cd932476..ac8addd25c64a75b5e2ddc5400e8a8f16119242b 100644
--- a/tools/check_api_approvals.sh
+++ b/tools/check_api_approvals.sh
@@ -32,33 +32,39 @@ git_files=`git diff --numstat upstream/$BRANCH| wc -l`
 git_count=`git diff --numstat upstream/$BRANCH| awk '{sum+=$1}END{print sum}'`
 failed_num=0
 echo_list=()
-if [[ $git_files -gt 19 || $git_count -gt 999 ]];then
-  APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 38231817`
-  if [ "${APPROVALS}" == "FALSE" ]; then
+
+
+function check_approval(){
+    person_num=`echo $@|awk '{for (i=2;i<=NF;i++)print $i}'`
+    APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py $1 $person_num`
+    if [ "${APPROVALS}" == "FALSE" ]; then
+        add_failed $failed_num $echo_line
+    fi
+}
+
+
+function add_failed(){
     failed_num=`expr $failed_num + 1`
+    add_line=`echo $@|awk '{for (i=2;i<=NF;i++)print $i}'`
+    echo_list=(${echo_list[@]}$1 "." $add_line)
+} 
+
+
+if [[ $git_files -gt 19 || $git_count -gt 999 ]];then
     echo_line="You must have Dianhai approval for change 20+ files or add than 1000+ lines of content.\n"
-    echo_list=(${echo_list[@]}$failed_num "." $echo_line)
-  fi
+    check_approval 1 38231817
 fi    
 
 api_spec_diff=`python ${PADDLE_ROOT}/tools/diff_api.py ${PADDLE_ROOT}/paddle/fluid/API_DEV.spec.api  ${PADDLE_ROOT}/paddle/fluid/API_PR.spec.api` 
 if [ "$api_spec_diff" != "" ]; then
-    APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 46782768 47554610 2870059` 
-    if [ "${APPROVALS}" == "FALSE" ]; then
-        failed_num=`expr $failed_num + 1`
-        echo_line="You must have one RD (XiaoguangHu01 or lanxianghit or saxon-zh)approval for the api change for the management reason of API interface.\n"
-        echo_list=(${echo_list[@]}$failed_num "." $echo_line)
-    fi
+    echo_line="You must have one RD (XiaoguangHu01 or lanxianghit or saxon-zh)approval for the api change for the management reason of API interface.\n"
+    check_approval 1 46782768 47554610 2870059 
 fi
 
 api_doc_spec_diff=`python ${PADDLE_ROOT}/tools/diff_api.py ${PADDLE_ROOT}/paddle/fluid/API_DEV.spec.doc  ${PADDLE_ROOT}/paddle/fluid/API_PR.spec.doc` 
 if [ "$api_doc_spec_diff" != "" ]; then
-    APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 31623103 2870059`
-    if [ "${APPROVALS}" == "FALSE" ]; then
-        failed_num=`expr $failed_num + 1`
-        echo_line="You must have one TPM (saxon-zh or Boyan-Liu) approval for the api change for the management reason of API document.\n"
-        echo_list=(${echo_list[@]}$failed_num "." $echo_line)
-    fi
+    echo_line="You must have one TPM (saxon-zh or Boyan-Liu) approval for the api change for the management reason of API document.\n"
+    check_approval 1 31623103 2870059
 fi
 
 
@@ -69,97 +75,51 @@ for API_FILE in ${API_FILES[*]}; do
       # NOTE: per_page=10000 should be ok for all cases, a PR review > 10000 is not human readable.
       # approval_user_list: XiaoguangHu01 46782768,Xreki 12538138,luotao1 6836917,sneaxiy 32832641,qingqing01 7845005,guoshengCS 14105589,heavengate 12605721,kuke 3064195,Superjomn 328693,lanxianghit 47554610,cyj1986 39645414,hutuxian 11195205,frankwhzhang 20274488,nepeplwu 45024560,Dianhai 38231817,JiabinYang 22361972,chenwhql 22561442,seiriosPlus 5442383,gongweibao 10721757,saxon-zh 2870059,Boyan-Liu 2870059. 
       if [ "${API_FILE}" == "paddle/fluid/op_use_default_grad_op_maker.spec" ];then
-        APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 32832641 6836917`
+          echo_line="You must have one RD (sneaxiy (Recommend) or luotao1) approval for op_use_default_grad_op_maker.spec, which manages the grad_op memory optimization.\n"
+          check_approval 1 32832641 6836917
       elif [ "${API_FILE}" == "CMakeLists.txt" ];then
-        APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 6836917 46782768`
+          echo_line="You must have one RD (luotao1 or XiaoguangHu01) approval for CMakeLists.txt, which manages the compilation parameter.\n"
+          check_approval 1 6836917 46782768
       elif [ "${API_FILE}" == "python/paddle/fluid/__init__.py" ];then
-         APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 6836917 47554610`
+          echo_line="You must have one RD (lanxianghit (Recommend) or luotao1) approval for the python/paddle/fluid/init.py, which manages the environment variables.\n"
+          check_approval 1 6836917 47554610
       elif [ "${API_FILE}" == "python/requirements.txt" ];then
-         APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 6836917 22361972`
-      elif [ "${API_FILE}" == "paddle/fluid/operators/distributed/send_recv.proto.in" ];then
-         APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 10721757 5442383`
-      else
-        APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 3048612 46782768 12538138 6836917 32832641`
-      fi
-      echo "current pr ${GIT_PR_ID} got approvals: ${APPROVALS}"
-      if [ "${APPROVALS}" == "FALSE" ]; then
-        if [ "${API_FILE}" == "paddle/fluid/op_use_default_grad_op_maker.spec" ];then
-          failed_num=`expr $failed_num + 1` 
-          echo_line="You must have one RD (sneaxiy (Recommend) or luotao1) approval for op_use_default_grad_op_maker.spec, which manages the grad_op memory optimization.\n"
-          echo_list=(${echo_list[@]}$failed_num "." $echo_line)
-        elif [ "${API_FILE}" == "CMakeLists.txt" ];then
-          failed_num=`expr $failed_num + 1`
-          echo_line="You must have one RD (luotao1 or XiaoguangHu01) approval for CMakeLists.txt, which manages the compilation parameter.\n"
-          echo_list=(${echo_list[@]}$failed_num "." $echo_line)
-        elif [ "${API_FILE}" == "python/requirements.txt" ];then
-          failed_num=`expr $failed_num + 1`
           echo_line="You must have one RD (JiabinYang (Recommend) or luotao1) approval for python/requirements.txt, which manages the third-party python package.\n"
-          echo_list=(${echo_list[@]}$failed_num "." $echo_line)
-        elif [ "${API_FILE}" == "python/paddle/fluid/__init__.py" ];then
-          failed_num=`expr $failed_num + 1`
-          echo_line="You must have one RD (lanxianghit (Recommend) or luotao1) approval for the python/paddle/fluid/init.py, which manages the environment variables.\n"
-          echo_list=(${echo_list[@]}$failed_num "." $echo_line)
-        elif [ "${API_FILE}" == "paddle/fluid/operators/distributed/send_recv.proto.in" ];then
-          failed_num=`expr $failed_num + 1`
+          check_approval 1 6836917 22361972
+      elif [ "${API_FILE}" == "paddle/fluid/operators/distributed/send_recv.proto.in" ];then
           echo_line="You must have one RD (gongweibao or seiriosPlus) approval for the paddle/fluid/operators/distributed/send_recv.proto.in, which manages the environment variables.\n"
-          echo_list=(${echo_list[@]}$failed_num "." $echo_line)
-        else
-          failed_num=`expr $failed_num + 1`
+          check_approval 1 10721757 5442383
+      else
           echo_line="You must have one RD (XiaoguangHu01,Xreki,luotao1,sneaxiy) approval for ${API_FILE}, which manages the underlying code for fluid.\n"
-          echo_list=(${echo_list[@]}$failed_num "." $echo_line)
-        fi
+          check_approval 1 3048612 46782768 12538138 6836917 32832641
       fi
   fi
 done
 
 HAS_CONST_CAST=`git diff -U0 upstream/$BRANCH |grep -o -m 1 "const_cast" || true`
 if [ ${HAS_CONST_CAST} ] && [ "${GIT_PR_ID}" != "" ]; then
-    APPROVALS=`curl -H "Authorization: token ${GITHUB_API_TOKEN}" https://api.github.com/repos/PaddlePaddle/Paddle/pulls/${GIT_PR_ID}/reviews?per_page=10000 | \
-    python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 3048612 46782768 12538138 6836917 32832641`
-    echo "current pr ${GIT_PR_ID} got approvals: ${APPROVALS}"
-    if [ "${APPROVALS}" == "FALSE" ]; then
-        failed_num=`expr $failed_num + 1`
-        echo_line="You must have one RD (XiaoguangHu01,Xreki,luotao1,sneaxiy) approval for the usage (either add or delete) of const_cast.\n"
-        echo_list=(${echo_list[@]}$failed_num "." $echo_line)
-    fi
+    echo_line="You must have one RD (XiaoguangHu01,Xreki,luotao1,sneaxiy) approval for the usage (either add or delete) of const_cast.\n"
+    check_approval 1 3048612 46782768 12538138 6836917 32832641
 fi
 
 HAS_DEFINE_FLAG=`git diff -U0 upstream/$BRANCH |grep -o -m 1 "DEFINE_int32" |grep -o -m 1 "DEFINE_bool" | grep -o -m 1 "DEFINE_string" || true`
 if [ ${HAS_DEFINE_FLAG} ] && [ "${GIT_PR_ID}" != "" ]; then
-    APPROVALS=`curl -H "Authorization: token ${GITHUB_API_TOKEN}" https://api.github.com/repos/PaddlePaddle/Paddle/pulls/${GIT_PR_ID}/reviews?per_page=10000 | \
-    python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 47554610` 
-    echo "current pr ${GIT_PR_ID} got approvals: ${APPROVALS}"
-    if [ "${APPROVALS}" == "FALSE" ]; then
-        failed_num=`expr $failed_num + 1`
-        echo_line="You must have one RD lanxianghit approval for the usage (either add or delete) of DEFINE_int32/DEFINE_bool/DEFINE_string flag.\n"
-        echo_list=(${echo_list[@]}$failed_num "." $echo_line)
-    fi
+    echo_line="You must have one RD lanxianghit approval for the usage (either add or delete) of DEFINE_int32/DEFINE_bool/DEFINE_string flag.\n"
+    check_approval 1 47554610 
 fi
 
 ALL_PADDLE_ENFORCE=`git diff -U0 upstream/$BRANCH |grep "+" |grep -zoE "PADDLE_ENFORCE\(.[^,\);]+.[^;]*\);\s" || true`
 if [ "${ALL_PADDLE_ENFORCE}" != "" ] && [ "${GIT_PR_ID}" != "" ]; then
-    APPROVALS=`curl -H "Authorization: token ${GITHUB_API_TOKEN}" https://api.github.com/repos/PaddlePaddle/Paddle/pulls/${GIT_PR_ID}/reviews?per_page=10000 | \
-    python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 6836917 47554610 22561442`
-    echo "current pr ${GIT_PR_ID} got approvals: ${APPROVALS}"
-    if [ "${APPROVALS}" == "FALSE" ]; then
-        failed_num=`expr $failed_num + 1`
-        echo_line="PADDLE_ENFORCE is not recommended. Please use PADDLE_ENFORCE_EQ/NE/GT/GE/LT/LE or PADDLE_ENFORCE_NOT_NULL or PADDLE_ENFORCE_CUDA_SUCCESS instead.\nYou must have one RD (chenwhql (Recommend) , luotao1 (Recommend) or lanxianghit) approval for the usage (either add or delete) of PADDLE_ENFORCE.\n${ALL_PADDLE_ENFORCE}\n"
-        echo_list=(${echo_list[@]}$failed_num "." "$echo_line")
-    fi
+    echo_line="PADDLE_ENFORCE is not recommended. Please use PADDLE_ENFORCE_EQ/NE/GT/GE/LT/LE or PADDLE_ENFORCE_NOT_NULL or PADDLE_ENFORCE_CUDA_SUCCESS instead.\nYou must have one RD (chenwhql (Recommend) , luotao1 (Recommend) or lanxianghit) approval for the usage (either add or delete) of PADDLE_ENFORCE.\n${ALL_PADDLE_ENFORCE}\n"
+    check_approval 1 6836917 47554610 22561442
 fi
 
 ALL_PADDLE_CHECK=`git diff -U0 upstream/$BRANCH |grep "+" |grep -zoE "(PADDLE_ENFORCE[A-Z_]{0,9}|PADDLE_THROW)\(.[^,\);]*.[^;]*\);\s" || true`
 VALID_PADDLE_CHECK=`echo "$ALL_PADDLE_CHECK" | grep -zoE '(PADDLE_ENFORCE[A-Z_]{0,9}|PADDLE_THROW)\((.[^,;]+,)*.[^";]*(errors::).[^"]*".[^";]{20,}.[^;]*\);\s' || true`
 INVALID_PADDLE_CHECK=`echo "$ALL_PADDLE_CHECK" |grep -vxF "$VALID_PADDLE_CHECK" || true`
 if [ "${INVALID_PADDLE_CHECK}" != "" ] && [ "${GIT_PR_ID}" != "" ]; then
-    APPROVALS=`curl -H "Authorization: token ${GITHUB_API_TOKEN}" https://api.github.com/repos/PaddlePaddle/Paddle/pulls/${GIT_PR_ID}/reviews?per_page=10000 | \
-    python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 6836917 47554610 22561442`
-    echo "current pr ${GIT_PR_ID} got approvals: ${APPROVALS}"
-    if [ "${APPROVALS}" == "FALSE" ]; then
-        failed_num=`expr $failed_num + 1`
-        echo_line="The error message you wrote in PADDLE_ENFORCE{_**} or PADDLE_THROW does not meet our error message writing specification. Possible errors include 1. the error message is empty / 2. the error message is too short / 3. the error type is not specified. Please read the specification [ https://github.com/PaddlePaddle/Paddle/wiki/Paddle-Error-Message-Writing-Specification ], then refine the error message. If it is a mismatch, please specify chenwhql (Recommend), luotao1 or lanxianghit review and approve.\nThe PADDDLE_ENFORCE or PADDLE_THROW entries that do not meet the specification are as follows:\n${INVALID_PADDLE_CHECK}\n"
-        echo_list=(${echo_list[@]}$failed_num "." "$echo_line")
-    fi
+    echo_line="The error message you wrote in PADDLE_ENFORCE{_**} or PADDLE_THROW does not meet our error message writing specification. Possible errors include 1. the error message is empty / 2. the error message is too short / 3. the error type is not specified. Please read the specification [ https://github.com/PaddlePaddle/Paddle/wiki/Paddle-Error-Message-Writing-Specification ], then refine the error message. If it is a mismatch, please specify chenwhql (Recommend), luotao1 or lanxianghit review and approve.\nThe PADDDLE_ENFORCE or PADDLE_THROW entries that do not meet the specification are as follows:\n${INVALID_PADDLE_CHECK}\n"
+    check_approval 1 6836917 47554610 22561442
 fi
 
 NEW_OP_ADDED=`git diff --name-only --diff-filter=A upstream/$BRANCH |grep -oE ".+_op..*" || true`
@@ -167,14 +127,8 @@ if [ "${NEW_OP_ADDED}" != "" ] && [ "${GIT_PR_ID}" != "" ]; then
     GET_KERNEL_TYPE_FUNC_CNT=`git diff -U0 --diff-filter=A upstream/$BRANCH |grep "+" |grep -czoE "GetExpectedKernelType[(][^(){}]+[)][^{]+[{][^}]+[}]" || true`
     INDICATE_VAR_DTYPE_CNT=`git diff -U0 --diff-filter=A upstream/$BRANCH |grep "+" |grep -co "IndicateVarDataType" || true`
     if [ ${GET_KERNEL_TYPE_FUNC_CNT} -gt ${INDICATE_VAR_DTYPE_CNT} ]; then
-        APPROVALS=`curl -H "Authorization: token ${GITHUB_API_TOKEN}" https://api.github.com/repos/PaddlePaddle/Paddle/pulls/${GIT_PR_ID}/reviews?per_page=10000 | \
-        python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 6836917 47554610 22561442`
-        echo "current pr ${GIT_PR_ID} got approvals: ${APPROVALS}"
-        if [ "${APPROVALS}" == "FALSE" ]; then
-            failed_num=`expr $failed_num + 1`
-            echo_line="If you override GetExpectedKernelType method of OperatorWithKernel, please use OperatorWithKernel::IndicateVarDataType() method to get specific input variable's dtype, which checked whether the input variable is initialized (The details in https://github.com/PaddlePaddle/FluidDoc/pull/1527). If you don't use this method to check, you must have one RD (chenwhql (Recommend) , luotao1 or lanxianghit) approval for the usage of other methods.\n"
-            echo_list=(${echo_list[@]}$failed_num "." $echo_line)
-        fi
+        echo_line="If you override GetExpectedKernelType method of OperatorWithKernel, please use OperatorWithKernel::IndicateVarDataType() method to get specific input variable's dtype, which checked whether the input variable is initialized (The details in https://github.com/PaddlePaddle/FluidDoc/pull/1527). If you don't use this method to check, you must have one RD (chenwhql (Recommend) , luotao1 or lanxianghit) approval for the usage of other methods.\n"
+        check_approval 1 6836917 47554610 22561442
     fi
 fi