diff --git a/Jenkinsfile b/Jenkinsfile
index 00bd7fff77..405476ae6e 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -39,7 +39,7 @@ def pre_test(){
     sudo rmtaos || echo "taosd has not installed"
     '''
     sh '''
-    ps -ef | grep taosd | grep -v grep | awk '{print $2}' | xargs kill -9  //avoid taosd deadlock
+    ps -ef | grep taosd | grep -v grep | awk '{print $2}' | xargs kill -9 
     cd ${WKC}
     git checkout develop
     git reset --hard HEAD~10 >/dev/null