diff --git a/Jenkinsfile b/Jenkinsfile
index bac0cce33b9b645373170247fb91df31fad6f646..25bf86d9cc031dc8cfe12d071f933ed5bacd3acd 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -42,15 +42,33 @@ def pre_test(){
     killall -9 taosd ||echo "no taosd running"
     killall -9 gdb || echo "no gdb running"
     cd ${WKC}
-    git reset --hard HEAD~10 >/dev/null 
-    git checkout develop
+    git reset --hard HEAD~10 >/dev/null
+    '''
+    script {
+      if (env.CHANGE_TARGET == 'master') {
+        sh 'git checkout master'
+        }
+      else {
+        sh 'git checkout develop'
+      } 
+    }
+    sh'''
     git pull >/dev/null
     git fetch origin +refs/pull/${CHANGE_ID}/merge
     git checkout -qf FETCH_HEAD
     git clean -dfx
     cd ${WK}
     git reset --hard HEAD~10
-    git checkout develop 
+    '''
+    script {
+      if (env.CHANGE_TARGET == 'master') {
+        sh 'git checkout master'
+        }
+      else {
+        sh 'git checkout develop'
+      } 
+    }
+    sh '''
     git pull >/dev/null 
     cd ${WK}
     export TZ=Asia/Harbin
@@ -92,7 +110,8 @@ pipeline {
           git pull
           git fetch origin +refs/pull/${CHANGE_ID}/merge
           git checkout -qf FETCH_HEAD
-          '''
+          '''     
+          
           script{
             env.skipstage=sh(script:"cd ${WORKSPACE}.tes && git --no-pager diff --name-only FETCH_HEAD develop|grep -v -E '.*md|//src//connector|Jenkinsfile|test-all.sh' || echo 0 ",returnStdout:true) 
           }
@@ -185,14 +204,12 @@ pipeline {
             rm -rf /var/log/taos/*
             ./handle_crash_gen_val_log.sh
             '''
-            catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') {
-                sh '''
-                cd ${WKC}/tests/pytest
-                rm -rf /var/lib/taos/*
-                rm -rf /var/log/taos/*
-                ./handle_taosd_val_log.sh
-                '''
-            }
+            sh '''
+            cd ${WKC}/tests/pytest
+            rm -rf /var/lib/taos/*
+            rm -rf /var/log/taos/*
+            ./handle_taosd_val_log.sh
+            '''
             timeout(time: 45, unit: 'MINUTES'){
                 sh '''
                 date