diff --git a/tdenginewriter/doc/tdenginewriter-CN.md b/tdenginewriter/doc/tdenginewriter-CN.md
index abd92de5..a868f8f2 100644
--- a/tdenginewriter/doc/tdenginewriter-CN.md
+++ b/tdenginewriter/doc/tdenginewriter-CN.md
@@ -42,7 +42,7 @@ TDengineWriter 通过 DataX 框架获取 Reader生成的协议数据，根据rea
             "host": "192.168.1.180",
             "port": 6030,
             "dbName": "test",
-            "user": "root",
+            "username": "root",
             "password": "taosdata"
           }
         }
@@ -63,7 +63,7 @@ TDengineWriter 通过 DataX 框架获取 Reader生成的协议数据，根据rea
 | --------- | -------------------- | -------- | -------- |
 | host      | TDengine实例的host   | 是       | 无       |
 | port      | TDengine实例的port   | 是       | 无       |
-| user      | TDengine实例的用户名 | 否       | root     |
+| username      | TDengine实例的用户名 | 否       | root     |
 | password  | TDengine实例的密码   | 否       | taosdata |
 | dbName    | 目的数据库的名称     | 是       | 无       |
 | batchSize | 每次批量插入多少记录 | 否       | 1        |
@@ -142,7 +142,7 @@ TDengineWriter 通过 DataX 框架获取 Reader生成的协议数据，根据rea
                         "host": "localhost",
                         "port": 6030,
                         "dbName": "test",
-                        "user": "root",
+                        "username": "root",
                         "password": "taosdata",
                         "stable": "stock",
                         "tagColumn": {
@@ -174,7 +174,7 @@ TDengineWriter 通过 DataX 框架获取 Reader生成的协议数据，根据rea
 | --------------- | -------------------- | ---------------- | -------- | ------------------ |
 | host            | TDengine实例的host   | 是               | 无       |
 | port            | TDengine实例的port   | 是               | 无       |
-| user            | TDengine实例的用户名 | 否               | root     |
+| username            | TDengine实例的用户名 | 否               | root     |
 | password        | TDengine实例的密码   | 否               | taosdata |
 | dbName          | 目的数据库的名称     | 是               | 无       |
 | batchSize       | 每次批量插入多少记录 | 否               | 1000     |
@@ -290,7 +290,7 @@ CREATE TABLE IF NOT EXISTS weather(
             "host": "127.0.0.1",
             "port": 6030,
             "dbName": "test",
-            "user": "root",
+            "username": "root",
             "password": "taosdata",
             "batchSize": 1000,
             "stable": "weather",
diff --git a/tdenginewriter/doc/tdenginewriter.md b/tdenginewriter/doc/tdenginewriter.md
index fd190570..6f19c112 100644
--- a/tdenginewriter/doc/tdenginewriter.md
+++ b/tdenginewriter/doc/tdenginewriter.md
@@ -39,7 +39,7 @@ TDengineWriter get records from DataX Framework that are generated from reader s
             "host": "192.168.1.180",
             "port": 6030,
             "dbName": "test",
-            "user": "root",
+            "username": "root",
             "password": "taosdata"
           }
         }
@@ -60,7 +60,7 @@ TDengineWriter get records from DataX Framework that are generated from reader s
 | --------- | ------------------------------ | -------- | -------- |
 | host      | host of TDengine               | Yes      |          |
 | port      | port of TDengine               | Yes      |          |
-| user      | use name of TDengine           | No       | root     |
+| username      | use name of TDengine           | No       | root     |
 | password  | password of TDengine           | No       | taosdata |
 | dbName    | name of target database        | No       |          |
 | batchSize | batch size of insert operation | No       | 1        |
@@ -137,7 +137,7 @@ TDengineWriter get records from DataX Framework that are generated from reader s
                         "host": "localhost",
                         "port": 6030,
                         "dbName": "test",
-                        "user": "root",
+                        "username": "root",
                         "password": "taosdata",
                         "stable": "stock",
                         "tagColumn": {
@@ -170,7 +170,7 @@ TDengineWriter get records from DataX Framework that are generated from reader s
 | --------------- | --------------------------------------------------------------- | ------------------------ | -------- | ------------------- |
 | host            | host ofTDengine                                                 | Yes                      |          |
 | port            | port of TDengine                                                | Yes                      |          |
-| user            | user name of TDengine                                           | No                       | root     |
+| username            | username of TDengine                                           | No                       | root     |
 | password        | password of TDengine                                            | No                       | taosdata |
 | dbName          | name of target database                                         | Yes                      |          |
 | batchSize       | batch size of insert operation                                  | No                       | 1000     |
@@ -287,7 +287,7 @@ CREATE TABLE IF NOT EXISTS weather(
             "host": "127.0.0.1",
             "port": 6030,
             "dbName": "test",
-            "user": "root",
+            "username": "root",
             "password": "taosdata",
             "batchSize": 1000,
             "stable": "weather",
diff --git a/tdenginewriter/src/main/java/com/alibaba/datax/plugin/writer/tdenginewriter/Key.java b/tdenginewriter/src/main/java/com/alibaba/datax/plugin/writer/tdenginewriter/Key.java
index a061e97f..7fb383e6 100644
--- a/tdenginewriter/src/main/java/com/alibaba/datax/plugin/writer/tdenginewriter/Key.java
+++ b/tdenginewriter/src/main/java/com/alibaba/datax/plugin/writer/tdenginewriter/Key.java
@@ -4,7 +4,7 @@ public class Key {
     public static final String HOST = "host";
     public static final String PORT = "port";
     public static final String DBNAME = "dbName";
-    public static final String USER = "user";
+    public static final String USER = "username";
     public static final String PASSWORD = "password";
     public static final String BATCH_SIZE = "batchSize";
     public static final String STABLE = "stable";