diff --git a/Jenkinsfile2 b/Jenkinsfile2
index ccaedcd8e5..5321dd8f10 100644
--- a/Jenkinsfile2
+++ b/Jenkinsfile2
@@ -400,7 +400,7 @@ pipeline {
                     }
                 }
                 stage('linux test') {
-                    agent{label "slave1_47"}
+                    agent{label "slave1_47 || slave1_48 || slave1_49 || slave1_50 || slave1_52 || slave1_59 || slave1_63 || worker03 || slave215 || slave217 || slave219 "}
                     options { skipDefaultCheckout() } 
                     when {
                         changeRequest()
diff --git a/docs/examples/node/websocketexample/all_type_query.js b/docs/examples/node/websocketexample/all_type_query.js
index d1303d68ac..6524d35718 100644
--- a/docs/examples/node/websocketexample/all_type_query.js
+++ b/docs/examples/node/websocketexample/all_type_query.js
@@ -92,11 +92,9 @@ async function all_type_example() {
 }
 
 async function test() {
-    console.log("begin all_type_query")
     await json_tag_example()
     await all_type_example()        
     taos.destroy();
-    console.log("end all_type_query")
 }
 
 test()
diff --git a/docs/examples/node/websocketexample/all_type_stmt.js b/docs/examples/node/websocketexample/all_type_stmt.js
index daf26a1ff1..f095bee090 100644
--- a/docs/examples/node/websocketexample/all_type_stmt.js
+++ b/docs/examples/node/websocketexample/all_type_stmt.js
@@ -139,11 +139,9 @@ async function all_type_example() {
 }
 
 async function test() { 
-    console.log("begin all_type_stmt")
     await json_tag_example()
     await all_type_example()
     taos.destroy();
-    console.log("end all_type_stmt")
 }
 
 test()
diff --git a/docs/examples/node/websocketexample/line_example.js b/docs/examples/node/websocketexample/line_example.js
index 4c051bc7c5..97570475b0 100644
--- a/docs/examples/node/websocketexample/line_example.js
+++ b/docs/examples/node/websocketexample/line_example.js
@@ -16,7 +16,7 @@ async function createConnect() {
 }
 
 
-async function schemalessInsert() {
+async function test() {
     let wsSql = null;
     let wsRows = null;
     let ttl = 0;
@@ -42,10 +42,4 @@ async function schemalessInsert() {
     }
 }
 
-async function test() { 
-    console.log("begin line_example")
-    await schemalessInsert();
-    console.log("end line_example")        
-}
-
 test()
diff --git a/docs/examples/node/websocketexample/nodejsChecker.js b/docs/examples/node/websocketexample/nodejsChecker.js
index 02133d524a..9f1d40f0cc 100644
--- a/docs/examples/node/websocketexample/nodejsChecker.js
+++ b/docs/examples/node/websocketexample/nodejsChecker.js
@@ -22,7 +22,7 @@ async function createConnect() {
     return await taos.sqlConnect(conf);
 }
 
-async function execSql() {
+async function test() {
     let wsSql = null;
     let wsRows = null;
     let reqId = 0;
@@ -60,7 +60,7 @@ async function execSql() {
     }
     catch (err) {
         console.error(err.code, err.message);
-        process.exitCode = 1;
+        throw err;
     }
     finally {
         if (wsRows) {
@@ -73,10 +73,4 @@ async function execSql() {
     }
 }
 
-async function test() {
-    console.log("begin nodejsChecker")
-    await execSql();
-    console.log("end nodejsChecker")
-}
-
 test()
\ No newline at end of file
diff --git a/docs/examples/node/websocketexample/sql_example.js b/docs/examples/node/websocketexample/sql_example.js
index 080b21bba1..0a09228d97 100644
--- a/docs/examples/node/websocketexample/sql_example.js
+++ b/docs/examples/node/websocketexample/sql_example.js
@@ -136,13 +136,11 @@ async function sqlWithReqid() {
 // ANCHOR_END: sqlWithReqid
 
 async function test() {
-    console.log("begin sql_example")
     await createDbAndTable();
     await insertData();
     await queryData();
     await sqlWithReqid();
     taos.destroy();    
-    console.log("end sql_example")
 }
 
 test()
diff --git a/docs/examples/node/websocketexample/stmt_example.js b/docs/examples/node/websocketexample/stmt_example.js
index 098b6e1e99..6f98bb7974 100644
--- a/docs/examples/node/websocketexample/stmt_example.js
+++ b/docs/examples/node/websocketexample/stmt_example.js
@@ -23,7 +23,7 @@ async function prepare() {
     return wsSql
 }
 
-async function stmtInsert() {
+async function test() {
     let stmt = null;
     let connector = null;
     try {
@@ -73,10 +73,4 @@ async function stmtInsert() {
     }
 }
 
-async function test () {
-    console.log("begin stmt_example")
-    await stmtInsert();
-    console.log("end stmt_example")
-}
-
 test()
\ No newline at end of file
diff --git a/docs/examples/node/websocketexample/tmq_example.js b/docs/examples/node/websocketexample/tmq_example.js
index c16afa955b..4f7f099c31 100644
--- a/docs/examples/node/websocketexample/tmq_example.js
+++ b/docs/examples/node/websocketexample/tmq_example.js
@@ -86,7 +86,7 @@ async function subscribe(consumer) {
     // ANCHOR_END: commit
 }
 
-async function consumer() {
+async function test() {
     // ANCHOR: unsubscribe
     let consumer = null;
     try {
@@ -113,10 +113,4 @@ async function consumer() {
     // ANCHOR_END: unsubscribe
 }
 
-async function test() {
-    console.log("begin tmq_example")
-    await consumer();
-    console.log("end tmq_example")
-}
-
 test()
diff --git a/docs/examples/node/websocketexample/tmq_seek_example.js b/docs/examples/node/websocketexample/tmq_seek_example.js
index 8f00e4230d..f676efe36f 100644
--- a/docs/examples/node/websocketexample/tmq_seek_example.js
+++ b/docs/examples/node/websocketexample/tmq_seek_example.js
@@ -82,7 +82,7 @@ async function subscribe(consumer) {
 }
 // ANCHOR_END: offset 
 
-async function consumer() {
+async function test() {
     let consumer = null;
     try {
         await prepare();
@@ -107,10 +107,4 @@ async function consumer() {
     }
 }
 
-async function test() {
-    console.log("begin tmq_example")
-    await consumer();
-    console.log("end tmq_example")
-}
-
 test()