diff --git a/docs/examples/node/package.json b/docs/examples/node/package.json
index d00d71d99f..3f5f54e9d7 100644
--- a/docs/examples/node/package.json
+++ b/docs/examples/node/package.json
@@ -4,7 +4,6 @@
   "main": "index.js",
   "license": "MIT",
   "dependencies": {
-    "@tdengine/client": "^3.0.1",
-    "@tdengine/rest": "^3.0.0"
+    "@tdengine/websocket": "^3.1.0"
   }
 }
diff --git a/docs/examples/node/websocketexample/all_type_query.js b/docs/examples/node/websocketexample/all_type_query.js
index 266d110d24..6524d35718 100644
--- a/docs/examples/node/websocketexample/all_type_query.js
+++ b/docs/examples/node/websocketexample/all_type_query.js
@@ -34,6 +34,7 @@ async function json_tag_example() {
 
     } catch (err) {
         console.error(`Failed to create database example_json_tag or stable stb, ErrCode: ${err.code}, ErrMessage: ${err.message}`);
+        throw err;
     } finally {
         if (wsSql) {
             await wsSql.close();
@@ -78,9 +79,10 @@ async function all_type_example() {
             let row = wsRows.getData();
             console.log(row);
         }
-
+        
     } catch (err) {
         console.error(`Failed to create database all_type_example or stable stb, ErrCode: ${err.code}, ErrMessage: ${err.message}`);
+        throw err;
     } finally {
         if (wsSql) {
             await wsSql.close();
@@ -91,7 +93,7 @@ async function all_type_example() {
 
 async function test() {
     await json_tag_example()
-    await all_type_example()
+    await all_type_example()        
     taos.destroy();
 }
 
diff --git a/docs/examples/node/websocketexample/all_type_stmt.js b/docs/examples/node/websocketexample/all_type_stmt.js
index 8a0dcf21e1..f095bee090 100644
--- a/docs/examples/node/websocketexample/all_type_stmt.js
+++ b/docs/examples/node/websocketexample/all_type_stmt.js
@@ -46,6 +46,7 @@ async function json_tag_example() {
 
     } catch (err) {
         console.error(`Failed to create database example_json_tag or stable stb, ErrCode: ${err.code}, ErrMessage: ${err.message}`);
+        throw err
     } finally {
         if (wsSql) {
             await wsSql.close();
@@ -125,6 +126,7 @@ async function all_type_example() {
 
     } catch (err) {
         console.error(`Failed to create database all_type_example or stable stb, ErrCode: ${err.code}, ErrMessage: ${err.message}`);
+        throw err;
     } finally {
         if (stmt) {
             await stmt.close();
@@ -136,10 +138,7 @@ async function all_type_example() {
 
 }
 
-
-
-async function test() {
-    taos.setLevel("debug")
+async function test() { 
     await json_tag_example()
     await all_type_example()
     taos.destroy();
diff --git a/docs/examples/node/websocketexample/json_line_example.js b/docs/examples/node/websocketexample/json_line_example.js
deleted file mode 100644
index e6587eaa45..0000000000
--- a/docs/examples/node/websocketexample/json_line_example.js
+++ /dev/null
@@ -1,53 +0,0 @@
-const taos = require("@tdengine/websocket");
-
-var host = null;
-for(var i = 2; i < global.process.argv.length; i++){
-  var key = global.process.argv[i].split("=")[0];
-  var value = global.process.argv[i].split("=")[1];
-  if("host" == key){
-    host = value;
-  }
-}
-
-if(host == null){
-    console.log("Usage: node nodejsChecker.js host=<hostname> port=<port>");
-    process.exit(0);
-  }
-
-let dbData = ["{\"metric\": \"meter_current\",\"timestamp\": 1626846402,\"value\": 10.3, \"tags\": {\"groupid\": 2, \"location\": \"California.SanFrancisco\", \"id\": \"d1001\"}}",
-              "{\"metric\": \"meter_current\",\"timestamp\": 1626846403,\"value\": 10.3, \"tags\": {\"groupid\": 2, \"location\": \"California.SanFrancisco\", \"id\": \"d1002\"}}",
-              "{\"metric\": \"meter_current\",\"timestamp\": 1626846404,\"value\": 10.3, \"tags\": {\"groupid\": 2, \"location\": \"California.SanFrancisco\", \"id\": \"d1003\"}}"]
-
-async function createConnect() {
-    let dsn = 'ws://' + host + ':6041'
-    let conf = new taos.WSConfig(dsn);
-    conf.setUser('root');
-    conf.setPwd('taosdata');
-    conf.setDb('power');
-    return await taos.sqlConnect(conf);
-}
-
-async function test() {
-    let wsSql = null;
-    let wsRows = null;
-    let reqId = 0;
-    try {
-        wsSql = await createConnect()
-        await wsSql.exec('CREATE DATABASE IF NOT EXISTS power KEEP 3650 DURATION 10 BUFFER 16 WAL_LEVEL 1;', reqId++);
-        await wsSql.schemalessInsert([dbData], taos.SchemalessProto.OpenTSDBJsonFormatProtocol, taos.Precision.SECONDS, 0);
-    }
-    catch (err) {
-        console.error(err.code, err.message);
-    }
-    finally {
-        if (wsRows) {
-            await wsRows.close();
-        }
-        if (wsSql) {
-            await wsSql.close();
-        }
-        taos.destroy();
-    }
-}
-
-test()
\ No newline at end of file
diff --git a/docs/examples/node/websocketexample/line_example.js b/docs/examples/node/websocketexample/line_example.js
index ac3083d358..97570475b0 100644
--- a/docs/examples/node/websocketexample/line_example.js
+++ b/docs/examples/node/websocketexample/line_example.js
@@ -15,8 +15,8 @@ async function createConnect() {
     return wsSql;
 }
 
+
 async function test() {
-    let dsn = 'ws://localhost:6041'
     let wsSql = null;
     let wsRows = null;
     let ttl = 0;
@@ -29,6 +29,7 @@ async function test() {
     }
     catch (err) {
         console.error(`Failed to insert data with schemaless, ErrCode: ${err.code}, ErrMessage: ${err.message}`);
+        throw err;
     }
     finally {
         if (wsRows) {
@@ -40,4 +41,5 @@ async function test() {
         taos.destroy();
     }
 }
+
 test()
diff --git a/docs/examples/node/websocketexample/nodejsChecker.js b/docs/examples/node/websocketexample/nodejsChecker.js
index d81aeb585f..9f1d40f0cc 100644
--- a/docs/examples/node/websocketexample/nodejsChecker.js
+++ b/docs/examples/node/websocketexample/nodejsChecker.js
@@ -10,11 +10,9 @@ for(var i = 2; i < global.process.argv.length; i++){
 }
 
 if(host == null){
-    console.log("Usage: node nodejsChecker.js host=<hostname> port=<port>");
-    process.exit(0);
+    host = 'localhost';
 }
 
-
 async function createConnect() {
     let dsn = 'ws://' + host + ':6041'
     console.log(dsn)
@@ -41,7 +39,7 @@ async function test() {
         taosResult = await wsSql.exec('USE power', reqId++);
         console.log(taosResult);
 
-        taosResult = await wsSql.exec('CREATE STABLE IF NOT EXISTS meters (_ts timestamp, current float, voltage int, phase float) TAGS (location binary(64), groupId int);', reqId++);
+        taosResult = await wsSql.exec('CREATE STABLE IF NOT EXISTS meters (ts timestamp, current float, voltage int, phase float) TAGS (location binary(64), groupId int);', reqId++);
         console.log(taosResult);
 
         taosResult = await wsSql.exec('DESCRIBE meters', reqId++);
@@ -62,6 +60,7 @@ async function test() {
     }
     catch (err) {
         console.error(err.code, err.message);
+        throw err;
     }
     finally {
         if (wsRows) {
diff --git a/docs/examples/node/websocketexample/sql_example.js b/docs/examples/node/websocketexample/sql_example.js
index 8eb8af989d..0a09228d97 100644
--- a/docs/examples/node/websocketexample/sql_example.js
+++ b/docs/examples/node/websocketexample/sql_example.js
@@ -41,6 +41,7 @@ async function createDbAndTable() {
         console.log("Create stable power.meters successfully");
     } catch (err) {
         console.error(`Failed to create database power or stable meters, ErrCode: ${err.code}, ErrMessage: ${err.message}`);
+        throw err;
     } finally {
         if (wsSql) {
             await wsSql.close();
@@ -53,21 +54,23 @@ async function createDbAndTable() {
 // ANCHOR: insertData
 async function insertData() {
     let wsSql = null
+    let insertQuery = "INSERT INTO " +
+        "power.d1001 USING power.meters (location, groupId) TAGS('California.SanFrancisco', 2) " +
+        "VALUES " +
+        "(NOW + 1a, 10.30000, 219, 0.31000) " +
+        "(NOW + 2a, 12.60000, 218, 0.33000) " +
+        "(NOW + 3a, 12.30000, 221, 0.31000) " +
+        "power.d1002 USING power.meters (location, groupId) TAGS('California.SanFrancisco', 3) " +
+        "VALUES " +
+        "(NOW + 1a, 10.30000, 218, 0.25000) "; 
+
     try {
         wsSql = await createConnect();
-        let insertQuery = "INSERT INTO " +
-            "power.d1001 USING power.meters (location, groupId) TAGS('California.SanFrancisco', 2) " +
-            "VALUES " +
-            "(NOW + 1a, 10.30000, 219, 0.31000) " +
-            "(NOW + 2a, 12.60000, 218, 0.33000) " +
-            "(NOW + 3a, 12.30000, 221, 0.31000) " +
-            "power.d1002 USING power.meters TAGS('California.SanFrancisco', 3) " +
-            "VALUES " +
-            "(NOW + 1a, 10.30000, 218, 0.25000) ";
         taosResult = await wsSql.exec(insertQuery);
         console.log("Successfully inserted " + taosResult.getAffectRows() + " rows to power.meters.");
     } catch (err) {
         console.error(`Failed to insert data to power.meters, sql: ${insertQuery}, ErrCode: ${err.code}, ErrMessage: ${err.message}`);
+        throw err;
     } finally {
         if (wsSql) {
             await wsSql.close();
@@ -91,6 +94,7 @@ async function queryData() {
     }
     catch (err) {
         console.error(`Failed to query data from power.meters, sql: ${sql}, ErrCode: ${err.code}, ErrMessage: ${err.message}`);
+        throw err;
     }
     finally {
         if (wsRows) {
@@ -118,6 +122,7 @@ async function sqlWithReqid() {
     }
     catch (err) {
         console.error(`Failed to query data from power.meters, reqId: ${reqId}, ErrCode: ${err.code}, ErrMessage: ${err.message}`);
+        throw err;
     }
     finally {
         if (wsRows) {
@@ -135,7 +140,7 @@ async function test() {
     await insertData();
     await queryData();
     await sqlWithReqid();
-    taos.destroy();
+    taos.destroy();    
 }
 
 test()
diff --git a/docs/examples/node/websocketexample/stmt_example.js b/docs/examples/node/websocketexample/stmt_example.js
index e3bb3c4dda..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 () => {
+async function test() {
     let stmt = null;
     let connector = null;
     try {
@@ -60,6 +60,7 @@ async function prepare() {
     }
     catch (err) {
         console.error(`Failed to insert to table meters using stmt, ErrCode: ${err.code}, ErrMessage: ${err.message}`);
+        throw err;
     }
     finally {
         if (stmt) {
@@ -70,4 +71,6 @@ async function prepare() {
         }
         taos.destroy();
     }
-})();
+}
+
+test()
\ No newline at end of file
diff --git a/docs/examples/node/websocketexample/telnet_line_example.js b/docs/examples/node/websocketexample/telnet_line_example.js
deleted file mode 100644
index 924137e162..0000000000
--- a/docs/examples/node/websocketexample/telnet_line_example.js
+++ /dev/null
@@ -1,58 +0,0 @@
-const taos = require("@tdengine/websocket");
-
-var host = null;
-for(var i = 2; i < global.process.argv.length; i++){
-  var key = global.process.argv[i].split("=")[0];
-  var value = global.process.argv[i].split("=")[1];
-  if("host" == key){
-    host = value;
-  }
-}
-
-if(host == null){
-    console.log("Usage: node nodejsChecker.js host=<hostname> port=<port>");
-    process.exit(0);
-  }
-
-  let dbData = ["meters.current 1648432611249 10.3 location=California.SanFrancisco groupid=2",
-  "meters.current 1648432611250 12.6 location=California.SanFrancisco groupid=2",
-  "meters.current 1648432611249 10.8 location=California.LosAngeles groupid=3",
-  "meters.current 1648432611250 11.3 location=California.LosAngeles groupid=3",
-  "meters.voltage 1648432611249 219 location=California.SanFrancisco groupid=2",
-  "meters.voltage 1648432611250 218 location=California.SanFrancisco groupid=2",
-  "meters.voltage 1648432611249 221 location=California.LosAngeles groupid=3",
-  "meters.voltage 1648432611250 217 location=California.LosAngeles groupid=3",];
-
-async function createConnect() {
-    let dsn = 'ws://' + host + ':6041'
-    let conf = new taos.WSConfig(dsn);
-    conf.setUser('root');
-    conf.setPwd('taosdata');
-
-    return await taos.sqlConnect(conf);
-}
-
-async function test() {
-    let wsSql = null;
-    let wsRows = null;
-    let reqId = 0;
-    try {
-        wsSql = await createConnect()
-        await wsSql.exec('create database if not exists power KEEP 3650 DURATION 10 BUFFER 16 WAL_LEVEL 1;', reqId++);
-        await wsSql.exec('use power', reqId++);
-        await wsSql.schemalessInsert(dbData, taos.SchemalessProto.OpenTSDBTelnetLineProtocol, taos.Precision.MILLI_SECONDS, 0);
-    }
-    catch (err) {
-        console.error(err.code, err.message);
-    }
-    finally {
-        if (wsRows) {
-            await wsRows.close();
-        }
-        if (wsSql) {
-            await wsSql.close();
-        }
-        taos.destroy();
-    }
-}
-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 5097402e6a..4f7f099c31 100644
--- a/docs/examples/node/websocketexample/tmq_example.js
+++ b/docs/examples/node/websocketexample/tmq_example.js
@@ -1,3 +1,4 @@
+const { sleep } = require("@tdengine/websocket");
 const taos = require("@tdengine/websocket");
 
 // ANCHOR: create_consumer
@@ -49,12 +50,20 @@ async function prepare() {
 
     let createTopic = `CREATE TOPIC IF NOT EXISTS ${topics[0]} AS SELECT * FROM ${db}.${stable}`;
     await wsSql.exec(createTopic);
+    await wsSql.close();
+}
 
-
-    for (let i = 0; i < 10; i++) {
+async function insert() {
+    let conf = new taos.WSConfig('ws://localhost:6041');
+    conf.setUser('root');
+    conf.setPwd('taosdata');
+    conf.setDb('power');
+    let wsSql = await taos.sqlConnect(conf);
+    for (let i = 0; i < 50; i++) {
         await wsSql.exec(`INSERT INTO d1001 USING ${stable} (location, groupId) TAGS ("California.SanFrancisco", 3) VALUES (NOW, ${10 + i}, ${200 + i}, ${0.32 + i})`);
+        await sleep(100);
     }
-    wsSql.close();
+    await wsSql.close();
 }
 
 async function subscribe(consumer) {
@@ -82,13 +91,17 @@ async function test() {
     let consumer = null;
     try {
         await prepare();
-        consumer = await createConsumer()
-        await subscribe(consumer)
+        consumer = await createConsumer();
+        const allPromises = [];
+        allPromises.push(subscribe(consumer));
+        allPromises.push(insert());
+        await Promise.all(allPromises);
         await consumer.unsubscribe();
         console.log("Consumer unsubscribed successfully.");
     }
     catch (err) {
         console.error(`Failed to unsubscribe consumer, topic: ${topic}, groupId: ${groupId}, clientId: ${clientId}, ErrCode: ${err.code}, ErrMessage: ${err.message}`);
+        throw err;
     }
     finally {
         if (consumer) {
diff --git a/docs/examples/node/websocketexample/tmq_seek_example.js b/docs/examples/node/websocketexample/tmq_seek_example.js
index b2bd569d92..f676efe36f 100644
--- a/docs/examples/node/websocketexample/tmq_seek_example.js
+++ b/docs/examples/node/websocketexample/tmq_seek_example.js
@@ -1,41 +1,45 @@
+const { sleep } = require("@tdengine/websocket");
 const taos = require("@tdengine/websocket");
 
 const db = 'power';
 const stable = 'meters';
+const url = 'ws://localhost:6041';
 const topic = 'topic_meters'
 const topics = [topic];
 const groupId = "group1";
 const clientId = "client1";
 
-
-// ANCHOR: create_consumer
 async function createConsumer() {
+
+    let groupId = "group1";
+    let clientId = "client1";
     let configMap = new Map([
-        [taos.TMQConstants.GROUP_ID, "group1"],
-        [taos.TMQConstants.CLIENT_ID, 'client1'],
+        [taos.TMQConstants.GROUP_ID, groupId],
+        [taos.TMQConstants.CLIENT_ID, clientId],
         [taos.TMQConstants.CONNECT_USER, "root"],
         [taos.TMQConstants.CONNECT_PASS, "taosdata"],
         [taos.TMQConstants.AUTO_OFFSET_RESET, "latest"],
-        [taos.TMQConstants.WS_URL, 'ws://localhost:6041'],
+        [taos.TMQConstants.WS_URL, url],
         [taos.TMQConstants.ENABLE_AUTO_COMMIT, 'true'],
         [taos.TMQConstants.AUTO_COMMIT_INTERVAL_MS, '1000']
     ]);
     try {
-        return await taos.tmqConnect(configMap);
+        conn = await taos.tmqConnect(configMap);
+        console.log(`Create consumer successfully, host: ${url}, groupId: ${groupId}, clientId: ${clientId}`)
+        return conn;
     } catch (err) {
-        console.error(err);
+        console.error(`Failed to create websocket consumer, topic: ${topic}, groupId: ${groupId}, clientId: ${clientId}, ErrCode: ${err.code}, ErrMessage: ${err.message}`);
         throw err;
     }
 
 }
-// ANCHOR_END: create_consumer 
 
 async function prepare() {
-    let conf = new taos.WSConfig('ws://localhost:6041');
+    let conf = new taos.WSConfig('ws://192.168.1.98:6041');
     conf.setUser('root');
     conf.setPwd('taosdata');
     conf.setDb('power');
-    const createDB = `CREATE DATABASE IF NOT EXISTS ${db} KEEP 3650 DURATION 10 BUFFER 16 WAL_LEVEL 1;`;
+    const createDB = `CREATE DATABASE IF NOT EXISTS ${db}`;
     const createStable = `CREATE STABLE IF NOT EXISTS ${db}.${stable} (ts timestamp, current float, voltage int, phase float) TAGS (location binary(64), groupId int);`;
 
     let wsSql = await taos.sqlConnect(conf);
@@ -44,58 +48,63 @@ async function prepare() {
 
     let createTopic = `CREATE TOPIC IF NOT EXISTS ${topics[0]} AS SELECT * FROM ${db}.${stable}`;
     await wsSql.exec(createTopic);
+    await wsSql.close();
+}
 
-
-    for (let i = 0; i < 10; i++) {
+async function insert() {
+    let conf = new taos.WSConfig('ws://localhost:6041');
+    conf.setUser('root');
+    conf.setPwd('taosdata');
+    conf.setDb('power');
+    let wsSql = await taos.sqlConnect(conf);
+    for (let i = 0; i < 1; i++) {
         await wsSql.exec(`INSERT INTO d1001 USING ${stable} (location, groupId) TAGS ("California.SanFrancisco", 3) VALUES (NOW, ${10 + i}, ${200 + i}, ${0.32 + i})`);
     }
     await wsSql.close();
 }
 
-// ANCHOR: subscribe 
+// ANCHOR: offset 
 async function subscribe(consumer) {
     try {
-        await consumer.subscribe(['topic_meters']);
-        for (let i = 0; i < 50; i++) {
-            let res = await consumer.poll(100);
-            for (let [key, value] of res) {
-                // Add your data processing logic here
-                console.log(`data: ${key} ${value}`);
-            }
-        }
-    } catch (err) {
-        console.error(`Failed to poll data, topic: ${topic}, groupId: ${groupId}, clientId: ${clientId}, ErrCode: ${err.code}, ErrMessage: ${err.message}`);
-        throw err;
-    }
-
-}
-// ANCHOR_END: subscribe
-
-// ANCHOR: offset 
-async function test() {
-    let consumer = null;
-    try {
-        await prepare();
-        let consumer = await createConsumer()
         await consumer.subscribe(['topic_meters']);
         let res = new Map();
         while (res.size == 0) {
             res = await consumer.poll(100);
+            await consumer.commit();
         }
-
         let assignment = await consumer.assignment();
         await consumer.seekToBeginning(assignment);
         console.log("Assignment seek to beginning successfully");
+    } catch (err) {
+        console.error(`Failed to seek offset, topic: ${topic}, groupId: ${groupId}, clientId: ${clientId}, ErrCode: ${err.code}, ErrMessage: ${err.message}`);
+        throw err;
+    }
+}
+// ANCHOR_END: offset 
+
+async function test() {
+    let consumer = null;
+    try {
+        await prepare();
+        consumer = await createConsumer();
+        const allPromises = [];
+        allPromises.push(subscribe(consumer));
+        allPromises.push(insert());
+        await Promise.all(allPromises);
+        await consumer.unsubscribe();
+        console.log("Consumer unsubscribed successfully.");
     }
     catch (err) {
-        console.error(`Failed to seek offset, topic: ${topic}, groupId: ${groupId}, clientId: ${clientId}, ErrCode: ${err.code}, ErrMessage: ${err.message}`);
+        console.error(`Failed to consumer, topic: ${topic}, groupId: ${groupId}, clientId: ${clientId}, ErrCode: ${err.code}, ErrMessage: ${err.message}`);
+        throw err;
     }
     finally {
         if (consumer) {
             await consumer.close();
+            console.log("Consumer closed successfully.");
         }
         taos.destroy();
     }
 }
-// ANCHOR_END: offset 
+
 test()
diff --git a/docs/examples/python/connect_example.py b/docs/examples/python/connect_example.py
index ce8b306024..e1f1a63d57 100644
--- a/docs/examples/python/connect_example.py
+++ b/docs/examples/python/connect_example.py
@@ -15,6 +15,7 @@ def create_connection():
         print(f"Connected to {host}:{port} successfully.");
     except Exception as err:
         print(f"Failed to connect to {host}:{port} , ErrMessage:{err}")
+        raise err
     finally:
         if conn:
             conn.close()
diff --git a/docs/examples/python/connect_websocket_examples.py b/docs/examples/python/connect_websocket_examples.py
index 56d208f5db..fe8f407865 100644
--- a/docs/examples/python/connect_websocket_examples.py
+++ b/docs/examples/python/connect_websocket_examples.py
@@ -15,7 +15,7 @@ def create_connection():
         print(f"Connected to {host}:{port} successfully.");
     except Exception as err:
         print(f"Failed to connect to {host}:{port} , ErrMessage:{err}")
-   
+        raise err
     return conn
  # ANCHOR_END: connect
 
@@ -28,6 +28,7 @@ def create_db_table(conn):
         conn.execute("CREATE TABLE  IF NOT EXISTS `d0` USING `meters` (groupId, location) TAGS(0, 'Los Angles')")
     except Exception as err:
         print(f'Exception {err}')
+        raise err
 # ANCHOR_END: create_db
 
 def insert(conn):
@@ -42,9 +43,10 @@ def insert(conn):
     """
     try:
         inserted = conn.execute(sql)
-        assert inserted == 8
+        assert inserted == 4
     except Exception as err:
         print(f'Exception111 {err}')
+        raise err
 # ANCHOR_END: insert
 
 def query(conn):
@@ -58,6 +60,7 @@ def query(conn):
             print(row)
     except Exception as err:
         print(f'Exception {err}')
+        raise err
 # ANCHOR_END: query
 
 if __name__ == "__main__":
diff --git a/docs/examples/python/create_db_native.py b/docs/examples/python/create_db_native.py
index 34dabfabe2..cf263b7b27 100644
--- a/docs/examples/python/create_db_native.py
+++ b/docs/examples/python/create_db_native.py
@@ -21,6 +21,7 @@ try:
 
 except Exception as err:
     print(f"Failed to create database power or stable meters, ErrMessage:{err}") 
+    raise err
 finally:
     if conn:
         conn.close()       
diff --git a/docs/examples/python/create_db_rest.py b/docs/examples/python/create_db_rest.py
index 4b98c991a3..4a247dfaec 100644
--- a/docs/examples/python/create_db_rest.py
+++ b/docs/examples/python/create_db_rest.py
@@ -20,6 +20,7 @@ try:
 
 except Exception as err:
     print(f"Failed to create database power or stable meters, ErrMessage:{err}") 
+    raise err
 finally:
     if conn:
         conn.close()
diff --git a/docs/examples/python/create_db_ws.py b/docs/examples/python/create_db_ws.py
index ddbacb4b1f..29ee95dc65 100644
--- a/docs/examples/python/create_db_ws.py
+++ b/docs/examples/python/create_db_ws.py
@@ -21,6 +21,7 @@ try:
 
 except Exception as err:
     print(f"Failed to create database power or stable meters, ErrMessage:{err}") 
+    raise err
 finally:
     if conn:
         conn.close()
diff --git a/docs/examples/python/insert_native.py b/docs/examples/python/insert_native.py
index 19dafa3f23..b49860dfb1 100644
--- a/docs/examples/python/insert_native.py
+++ b/docs/examples/python/insert_native.py
@@ -22,6 +22,7 @@ try:
 
 except Exception as err:
     print(f"Failed to insert data to power.meters, sql: {sql}, ErrMessage: {err}.")
+    raise err
 finally:
     if conn:
         conn.close()
diff --git a/docs/examples/python/insert_rest.py b/docs/examples/python/insert_rest.py
index 526c3a6a69..115ec1a702 100644
--- a/docs/examples/python/insert_rest.py
+++ b/docs/examples/python/insert_rest.py
@@ -21,6 +21,7 @@ try:
 
 except Exception as err:
     print(f"Failed to insert data to power.meters, sql:{sql}, ErrMessage:{err}.")
+    raise err
 finally:
     if conn:
         conn.close()
diff --git a/docs/examples/python/insert_ws.py b/docs/examples/python/insert_ws.py
index 886dda1c10..9fec00e02b 100644
--- a/docs/examples/python/insert_ws.py
+++ b/docs/examples/python/insert_ws.py
@@ -22,6 +22,7 @@ try:
 
 except Exception as err:
     print(f"Failed to insert data to power.meters, sql: {sql}, ErrMessage: {err}.")
+    raise err
 finally:
     if conn:
         conn.close()
diff --git a/docs/examples/python/query_native.py b/docs/examples/python/query_native.py
index 072807986e..7c2015fe04 100644
--- a/docs/examples/python/query_native.py
+++ b/docs/examples/python/query_native.py
@@ -16,6 +16,7 @@ try:
 
 except Exception as err:
     print(f"Failed to query data from power.meters, sql: {sql}, ErrMessage:{err}")
+    raise err
 finally:
     if conn:
         conn.close()
diff --git a/docs/examples/python/query_rest.py b/docs/examples/python/query_rest.py
index 85a70fd382..b864a4ccd6 100644
--- a/docs/examples/python/query_rest.py
+++ b/docs/examples/python/query_rest.py
@@ -15,3 +15,4 @@ try:
 
 except Exception as err:
     print(f"Failed to query data from power.meters, sql: {sql}, ErrMessage:{err}")
+    raise err
diff --git a/docs/examples/python/query_ws.py b/docs/examples/python/query_ws.py
index afab438ad9..52484b5308 100644
--- a/docs/examples/python/query_ws.py
+++ b/docs/examples/python/query_ws.py
@@ -15,6 +15,7 @@ try:
 
 except Exception as err:
     print(f"Failed to query data from power.meters, sql: {sql}, ErrMessage:{err}")
+    raise err
 finally:
     if conn:
         conn.close()
diff --git a/docs/examples/python/reqid_native.py b/docs/examples/python/reqid_native.py
index 7f16093835..57f438d3f2 100644
--- a/docs/examples/python/reqid_native.py
+++ b/docs/examples/python/reqid_native.py
@@ -18,7 +18,7 @@ try:
 
 except Exception as err:
     print(f"Failed to execute sql with reqId:{reqId}, ErrMessage:{err}")
-    
+    raise err
 finally:
     if conn:
         conn.close()
diff --git a/docs/examples/python/reqid_rest.py b/docs/examples/python/reqid_rest.py
index 570e671092..a5f752113b 100644
--- a/docs/examples/python/reqid_rest.py
+++ b/docs/examples/python/reqid_rest.py
@@ -16,3 +16,4 @@ try:
 
 except Exception as err:
     print(f"Failed to execute sql with reqId:{reqId}, ErrMessage:{err}")
+    raise err
diff --git a/docs/examples/python/reqid_ws.py b/docs/examples/python/reqid_ws.py
index 7c74104169..217ff0b54b 100644
--- a/docs/examples/python/reqid_ws.py
+++ b/docs/examples/python/reqid_ws.py
@@ -19,6 +19,7 @@ try:
 
 except Exception as err:
     print(f"Failed to execute sql with reqId:{reqId}, ErrMessage:{err}")
+    raise err
 finally:
     if conn:
         conn.close()
diff --git a/docs/examples/python/schemaless_native.py b/docs/examples/python/schemaless_native.py
index 96d8f3177f..9654ee02dd 100644
--- a/docs/examples/python/schemaless_native.py
+++ b/docs/examples/python/schemaless_native.py
@@ -35,6 +35,7 @@ try:
     print("Inserted data with schemaless successfully.");
 except Exception as err:
     print(f"Failed to insert data with schemaless, ErrMessage:{err}")
+    raise err
 finally:
     if conn:
         conn.close()
diff --git a/docs/examples/python/schemaless_ws.py b/docs/examples/python/schemaless_ws.py
index 39de55393d..3033e9b670 100644
--- a/docs/examples/python/schemaless_ws.py
+++ b/docs/examples/python/schemaless_ws.py
@@ -75,8 +75,6 @@ def schemaless_insert():
             conn.close()
 
 if __name__ == "__main__":
-    try:
-        prepare()
-        schemaless_insert()
-    except Exception as err:
-          print(f"Failed to insert data with schemaless, err:{err}")   
+    prepare()
+    schemaless_insert()
+  
diff --git a/docs/examples/python/stmt_native.py b/docs/examples/python/stmt_native.py
index a1af7d1dd7..3e4475f1f7 100644
--- a/docs/examples/python/stmt_native.py
+++ b/docs/examples/python/stmt_native.py
@@ -57,6 +57,7 @@ try:
 
 except Exception as err:
     print(f"Failed to insert to table meters using stmt, ErrMessage:{err}") 
+    raise err
 finally:
     if stmt:
         stmt.close()
diff --git a/docs/examples/python/stmt_ws.py b/docs/examples/python/stmt_ws.py
index 45d9222315..82686abda4 100644
--- a/docs/examples/python/stmt_ws.py
+++ b/docs/examples/python/stmt_ws.py
@@ -62,6 +62,7 @@ try:
         
 except Exception as err:
     print(f"Failed to insert to table meters using stmt, ErrMessage:{err}") 
+    raise err
 finally:
     if stmt:
         stmt.close()
diff --git a/docs/examples/python/tmq_native.py b/docs/examples/python/tmq_native.py
index d4ccfda138..34bac26d95 100644
--- a/docs/examples/python/tmq_native.py
+++ b/docs/examples/python/tmq_native.py
@@ -152,6 +152,7 @@ def unsubscribe(consumer):
         print("Consumer unsubscribed successfully.");
     except Exception as err:
         print(f"Failed to unsubscribe consumer. topic: {topic}, groupId: {groupId}, clientId: {clientId}, ErrMessage:{err}.")
+        raise err
     finally:
         if consumer:
             consumer.close()
@@ -166,7 +167,6 @@ if __name__ == "__main__":
         subscribe(consumer)
         seek_offset(consumer)
         commit_offset(consumer)
-    except Exception as err:
-        print(f"Failed to execute consumer example, topic: {topic}, groupId: {groupId}, clientId: {clientId}, ErrMessage:{err}.")
     finally:
-        unsubscribe(consumer);
+        if consumer:
+            unsubscribe(consumer);
diff --git a/docs/examples/python/tmq_websocket_example.py b/docs/examples/python/tmq_websocket_example.py
index c9c7924661..7bd3f57da6 100644
--- a/docs/examples/python/tmq_websocket_example.py
+++ b/docs/examples/python/tmq_websocket_example.py
@@ -31,7 +31,7 @@ def prepareMeta():
 
         # create super table
         rowsAffected = conn.execute(
-            "CREATE TABLE IF NOT EXISTS `meters` (`ts` TIMESTAMP, `current` FLOAT, `voltage` INT, `phase` FLOAT) TAGS (`groupid` INT, `location` BINARY(16))"
+            "CREATE TABLE IF NOT EXISTS `meters` (`ts` TIMESTAMP, `current` FLOAT, `voltage` INT, `phase` FLOAT) TAGS (`groupid` INT, `location` BINARY(64))"
         )
         assert rowsAffected == 0
 
@@ -155,6 +155,7 @@ def unsubscribe(consumer):
         print("Consumer unsubscribed successfully.");
     except Exception as err:
         print(f"Failed to unsubscribe consumer. topic: {topic}, groupId: {groupId}, clientId: {clientId}, ErrMessage:{err}.")
+        raise err
     finally:
         if consumer:
             consumer.close()
@@ -170,7 +171,6 @@ if __name__ == "__main__":
         subscribe(consumer)
         seek_offset(consumer)
         commit_offset(consumer)      
-    except Exception as err:
-        print(f"Failed to execute consumer example, topic: {topic}, groupId: {groupId}, clientId: {clientId}, ErrMessage:{err}.")
     finally:
-        unsubscribe(consumer)
+        if consumer:
+            unsubscribe(consumer)
diff --git a/docs/zh/14-reference/05-connector/35-node.mdx b/docs/zh/14-reference/05-connector/35-node.mdx
index 3d8e82086e..bd2ca537e3 100644
--- a/docs/zh/14-reference/05-connector/35-node.mdx
+++ b/docs/zh/14-reference/05-connector/35-node.mdx
@@ -85,8 +85,6 @@ Node.js 连接器目前仅支持 Websocket 连接器， 其通过 taosAdapter 
 | [sql_example](https://github.com/taosdata/TDengine/tree/main/docs/examples/node/websocketexample/sql_example.js)                           | 基本的使用如如建立连接，执行 SQL 等操作。                       |
 | [stmt_example](https://github.com/taosdata/TDengine/tree/main/docs/examples/node/websocketexample/stmt_example.js)                         | 绑定参数插入的示例。               | |
 | [line_example](https://github.com/taosdata/TDengine/tree/main/docs/examples/node/websocketexample/line_example.js)                         | 行协议写入示例。               |
-| [telnet_line_example](https://github.com/taosdata/TDengine/tree/main/docs/examples/node/websocketexample/telnet_line_example.js)           | OpenTSDB Telnet 行协议写入示例。                 |
-| [json_line_example](https://github.com/taosdata/TDengine/tree/main/docs/examples/node/websocketexample/json_line_example.js)               | OpenTSDB JSON 行协议写入示例。                 |
 | [tmq_example](https://github.com/taosdata/TDengine/tree/main/docs/examples/node/websocketexample/tmq_example.js)                           | 订阅的使用示例。                       |
 | [all_type_query](https://github.com/taosdata/TDengine/tree/main/docs/examples/node/websocketexample/all_type_query.js)                     | 支持全部类型示例。                       |
 | [all_type_stmt](https://github.com/taosdata/TDengine/tree/main/docs/examples/node/websocketexample/all_type_stmt.js)                       | 参数绑定支持全部类型示例。                       |
diff --git a/tests/docs-examples-test/node.sh b/tests/docs-examples-test/node.sh
index 41acf7c7b4..cbbbd3820e 100644
--- a/tests/docs-examples-test/node.sh
+++ b/tests/docs-examples-test/node.sh
@@ -2,41 +2,63 @@
 
 set -e
 
+check_transactions() {
+    for i in {1..30}
+    do
+        output=$(taos -s "show transactions;")
+        if [[ $output == *"Query OK, 0 row(s)"* ]]; then
+            echo "Success: No transactions are in progress."
+            return 0
+        fi
+        sleep 1
+    done
+
+    echo "Error: Transactions are still in progress after 30 attempts."
+    return 1
+}
+
+reset_cache() {
+  response=$(curl --location -uroot:taosdata 'http://127.0.0.1:6041/rest/sql' --data 'reset query cache')
+
+  if [[ $response == \{\"code\":0* ]]; then
+    echo "Success: Query cache reset successfully."
+  else
+    echo "Error: Failed to reset query cache. Response: $response"
+    return 1
+  fi
+}
+
+
 pgrep taosd || taosd >> /dev/null 2>&1 &
 pgrep taosadapter || taosadapter >> /dev/null 2>&1 &
 
+sleep 10
+
 cd ../../docs/examples/node
 
 npm install
-cd restexample;
 
-node connect.js
+cd websocketexample
 
-cd ../nativeexample
+node all_type_query.js
 
-node connect.js
+node all_type_stmt.js
 
 taos -s "drop database if exists power"
-node insert_example.js
-
-node query_example.js 
-
-node async_query_example.js
-
-# node subscribe_demo.js
-
-taos -s "drop topic if exists topic_name_example"
-taos -s "drop database if exists power"
-node param_bind_example.js 
+check_transactions || exit 1
+reset_cache || exit 1
+node line_example.js
 
 taos -s "drop database if exists power"
-node multi_bind_example.js
+check_transactions || exit 1
+reset_cache || exit 1
+node nodejsChecker.js
 
-taos -s "drop database if exists test"
-node influxdb_line_example.js
+node sql_example.js
 
-taos -s "drop database if exists test"
-node opentsdb_telnet_example.js
+node stmt_example.js
 
-taos -s "drop database if exists test"
-node opentsdb_json_example.js
+
+node tmq_example.js
+
+node tmq_seek_example.js
\ No newline at end of file
diff --git a/tests/docs-examples-test/python.sh b/tests/docs-examples-test/python.sh
index 84f0771ec5..6a25683b58 100644
--- a/tests/docs-examples-test/python.sh
+++ b/tests/docs-examples-test/python.sh
@@ -2,6 +2,34 @@
 
 set -e
 
+check_transactions() {
+    for i in {1..30}
+    do
+        output=$(taos -s "show transactions;")
+        if [[ $output == *"Query OK, 0 row(s)"* ]]; then
+            echo "Success: No transactions are in progress."
+            return 0
+        fi
+        sleep 1
+    done
+
+    echo "Error: Transactions are still in progress after 30 attempts."
+    return 1
+}
+
+reset_cache() {
+  response=$(curl --location -uroot:taosdata 'http://127.0.0.1:6041/rest/sql' --data 'reset query cache')
+
+  if [[ $response == \{\"code\":0* ]]; then
+    echo "Success: Query cache reset successfully."
+  else
+    echo "Error: Failed to reset query cache. Response: $response"
+    return 1
+  fi
+}
+
+
+
 taosd >>/dev/null 2>&1 &
 taosadapter >>/dev/null 2>&1 &
 
@@ -11,18 +39,26 @@ cd ../../docs/examples/python
 
 # 1
 taos -s "create database if not exists log"
+check_transactions || exit 1
+reset_cache || exit 1
 python3 connect_example.py
 
 # 2
 taos -s "drop database if exists power"
+check_transactions || exit 1
+reset_cache || exit 1
 python3 native_insert_example.py
 
 # 3
 taos -s "drop database power"
+check_transactions || exit 1
+reset_cache || exit 1
 python3 bind_param_example.py
 
 # 4
 taos -s "drop database power"
+check_transactions || exit 1
+reset_cache || exit 1
 python3 multi_bind_example.py
 
 # 5
@@ -33,20 +69,28 @@ python3 async_query_example.py
 
 # 7
 taos -s "drop database if exists test"
+check_transactions || exit 1
+reset_cache || exit 1
 python3 line_protocol_example.py
 
 # 8
 taos -s "drop database test"
+check_transactions || exit 1
+reset_cache || exit 1
 python3 telnet_line_protocol_example.py
 
 # 9
 taos -s "drop database test"
+check_transactions || exit 1
+reset_cache || exit 1
 python3 json_protocol_example.py
 
 # 10
 pip install SQLAlchemy
 pip install pandas
 taosBenchmark -y -d power -t 10 -n 10
+check_transactions || exit 1
+reset_cache || exit 1
 python3 conn_native_pandas.py
 python3 conn_rest_pandas.py
 taos -s "drop database if exists power"
@@ -86,8 +130,69 @@ pip3 install kafka-python
 python3 kafka_example_consumer.py
 
 # 21
-pip3 install taos-ws-py==0.3.1
+pip3 install taos-ws-py==0.3.3
 python3 conn_websocket_pandas.py
 
 # 22
 python3 connect_websocket_examples.py
+
+# 23
+python3 create_db_ws.py
+
+# 24
+python3 create_db_native.py
+
+# 25
+python3 create_db_rest.py
+
+python3 insert_native.py
+
+python3 insert_rest.py
+
+python3 insert_ws.py
+
+python3 query_native.py
+
+python3 query_rest.py
+
+python3 query_ws.py
+
+python3 reqid_native.py
+
+python3 reqid_rest.py
+
+python3 reqid_ws.py
+
+taos -s "drop database power"
+check_transactions || exit 1
+reset_cache || exit 1
+python3 schemaless_native.py
+
+taos -s "drop database power"
+check_transactions || exit 1
+reset_cache || exit 1
+python3 schemaless_ws.py
+
+taos -s "drop database power"
+check_transactions || exit 1
+reset_cache || exit 1
+python3 stmt_native.py
+
+python3 stmt_ws.py
+
+taos -s "drop topic if exists topic_meters"
+check_transactions || exit 1
+reset_cache || exit 1
+taos -s "drop database if exists power"
+check_transactions || exit 1
+reset_cache || exit 1
+python3 tmq_native.py
+
+taos -s "drop topic if exists topic_meters"
+check_transactions || exit 1
+reset_cache || exit 1
+taos -s "drop database if exists power"
+check_transactions || exit 1
+reset_cache || exit 1
+python3 tmq_websocket_example.py
+
diff --git a/tests/parallel_test/cases.task b/tests/parallel_test/cases.task
index 9921588a77..a6d65b254f 100644
--- a/tests/parallel_test/cases.task
+++ b/tests/parallel_test/cases.task
@@ -1555,9 +1555,10 @@
 
 #docs-examples test
 ,,n,docs-examples-test,bash python.sh
-#,,n,docs-examples-test,bash node.sh
+,,n,docs-examples-test,bash node.sh
 ,,n,docs-examples-test,bash csharp.sh
 ,,n,docs-examples-test,bash jdbc.sh
 ,,n,docs-examples-test,bash rust.sh
 ,,n,docs-examples-test,bash go.sh
 ,,n,docs-examples-test,bash test_R.sh
+