diff --git a/Jenkinsfile2 b/Jenkinsfile2
index dba37cf295ce00f3538c027a8165f80e000bc6b0..fceaa6554faa5bde7ae028ec9204627d505e8b95 100644
--- a/Jenkinsfile2
+++ b/Jenkinsfile2
@@ -95,7 +95,7 @@ def sync_source() {
                 else
                     cd src/connector/python || echo "src/connector/python not exist"
                     git pull || :
-                    cd ${WK}
+                    cd ${WKC}
                 fi
             '''
         } else if (env.CHANGE_URL =~ /\/TDinternal\//) {
@@ -222,48 +222,6 @@ pipeline {
                         }
                     }
                 }
-                stage ('build worker03') {
-                    agent {label " worker03 "}
-                    steps {
-                        timeout(time: 20, unit: 'MINUTES') {
-                            pre_test()
-                            script {
-                                sh '''
-                                    echo "worker03 build done"
-                                    date
-                                '''
-                            }
-                        }
-                    }
-                }
-                stage ('build worker04') {
-                    agent {label " worker04 "}
-                    steps {
-                        timeout(time: 20, unit: 'MINUTES') {
-                            pre_test()
-                            script {
-                                sh '''
-                                    echo "worker04 build done"
-                                    date
-                                '''
-                            }
-                        }
-                    }
-                }
-                stage ('build worker05') {
-                    agent {label " worker05 "}
-                    steps {
-                        timeout(time: 20, unit: 'MINUTES') {
-                            pre_test()
-                            script {
-                                sh '''
-                                    echo "worker05 build done"
-                                    date
-                                '''
-                            }
-                        }
-                    }
-                }
             }
         }
         stage('run test') {
diff --git a/tests/parallel_test/m.json b/tests/parallel_test/m.json
index f86c571728962783867680901dfa2611c37e660e..aa90c0071e33c8332b9104f5eeb49a9abd0bc9ea 100644
--- a/tests/parallel_test/m.json
+++ b/tests/parallel_test/m.json
@@ -9,22 +9,4 @@
     "username":"root",
     "workdir":"/var/data/jenkins/workspace",
     "thread":25
-},
-{
-    "host":"192.168.0.212",
-    "username":"root",
-    "workdir":"/var/data/jenkins/workspace",
-    "thread":25
-},
-{
-    "host":"192.168.0.213",
-    "username":"root",
-    "workdir":"/var/data/jenkins/workspace",
-    "thread":25
-},
-{
-    "host":"192.168.0.214",
-    "username":"root",
-    "workdir":"/var/data/jenkins/workspace",
-    "thread":25
 }]