diff --git a/Jenkinsfile b/Jenkinsfile
index 405476ae6e0aa9c96cef44b357558eb75a319d49..daae5a5ad09f24a980bdcea5f5551b53a24c02aa 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -39,14 +39,14 @@ def pre_test(){
     sudo rmtaos || echo "taosd has not installed"
     '''
     sh '''
-    ps -ef | grep taosd | grep -v grep | awk '{print $2}' | xargs kill -9 
+    killall -9 taosd ||echo "no taosd running"
+    killall -9 gdb || echo "no gdb running"
     cd ${WKC}
     git checkout develop
     git reset --hard HEAD~10 >/dev/null 
     git pull >/dev/null
     git fetch origin +refs/pull/${CHANGE_ID}/merge
     git checkout -qf FETCH_HEAD
-    git --no-pager diff --name-only FETCH_HEAD $(git merge-base FETCH_HEAD develop)|grep -v -E '.*md|//src//connector|Jenkinsfile'
     find ${WKC}/tests/pytest -name \'*\'.sql -exec rm -rf {} \\;
     cd ${WK}
     git reset --hard HEAD~10
diff --git a/tests/Jenkinsfile b/tests/Jenkinsfile
index cba172c35b5d6d783fa8ec512fb3e0afad1e9197..6db6351442a5b67b4088216dc27990097f56618a 100644
--- a/tests/Jenkinsfile
+++ b/tests/Jenkinsfile
@@ -1,9 +1,8 @@
 def pre_test(){
-    catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') {
-                sh '''
-                sudo rmtaos
-                '''
-    }
+   
+    sh '''
+    sudo rmtaos||echo 'no taosd installed'
+    '''
     sh '''
     cd ${WKC}
     git reset --hard
diff --git a/tests/test-all.sh b/tests/test-all.sh
index 17d42dafe5eae68dc6d65ae016e0a27a09988ff6..ad3ad5fc94d0d5a4da5a9792085f2456ded0ade4 100755
--- a/tests/test-all.sh
+++ b/tests/test-all.sh
@@ -229,15 +229,15 @@ if [ "$2" != "jdbc" ] && [ "$2" != "python" ] && [ "$2" != "unit" ]; then
     echo "### run TSIM b1 test ###"
     runSimCaseOneByOnefq b1 0
     runSimCaseOneByOnefq b4 0
-    runSimCaseOneByOnefq b5 0
-    runSimCaseOneByOnefq b6 0
     runSimCaseOneByOnefq b7 0
   elif [ "$1" == "b2" ]; then
     echo "### run TSIM b2 test ###"
     runSimCaseOneByOnefq b2 0
+    runSimCaseOneByOnefq b5 0
   elif [ "$1" == "b3" ]; then
     echo "### run TSIM b3 test ###"
     runSimCaseOneByOnefq b3 0
+    runSimCaseOneByOnefq b6 0
   elif [ "$1" == "b1fq" ]; then
     echo "### run TSIM b1 test ###"
     runSimCaseOneByOnefq b1 1