diff --git a/Jenkinsfile2 b/Jenkinsfile2
index 5321dd8f10..ccaedcd8e5 100644
--- a/Jenkinsfile2
+++ b/Jenkinsfile2
@@ -400,7 +400,7 @@ pipeline {
                     }
                 }
                 stage('linux test') {
-                    agent{label "slave1_47 || slave1_48 || slave1_49 || slave1_50 || slave1_52 || slave1_59 || slave1_63 || worker03 || slave215 || slave217 || slave219 "}
+                    agent{label "slave1_47"}
                     options { skipDefaultCheckout() } 
                     when {
                         changeRequest()
diff --git a/docs/examples/node/websocketexample/line_example.js b/docs/examples/node/websocketexample/line_example.js
index 5502db2895..8934807c75 100644
--- a/docs/examples/node/websocketexample/line_example.js
+++ b/docs/examples/node/websocketexample/line_example.js
@@ -16,7 +16,6 @@ async function createConnect() {
 }
 
 async function test() {
-    let dsn = 'ws://localhost:6041'
     let wsSql = null;
     let wsRows = null;
     let ttl = 0;
diff --git a/tests/docs-examples-test/node.sh b/tests/docs-examples-test/node.sh
index 8c98c276cb..b1291c2c03 100644
--- a/tests/docs-examples-test/node.sh
+++ b/tests/docs-examples-test/node.sh
@@ -7,8 +7,6 @@ pgrep taosadapter || taosadapter >> /dev/null 2>&1 &
 
 cd ../../docs/examples/node
 
-npm config set registry https://registry.npmjs.org/
-
 npm install
 
 cd websocketexample