diff --git a/zh-cn/application-dev/reference/apis-arkdata/errorcode-distributed-dataObject.md b/zh-cn/application-dev/reference/apis-arkdata/errorcode-distributed-dataObject.md
index 71180d2fc260f3d4c26f23b37ef61b1c7e51578f..3fb8fb415337aa0b6472c7de826c7cabed9d3061 100644
--- a/zh-cn/application-dev/reference/apis-arkdata/errorcode-distributed-dataObject.md
+++ b/zh-cn/application-dev/reference/apis-arkdata/errorcode-distributed-dataObject.md
@@ -8,11 +8,11 @@
 
 **错误信息**
 
-Failed to create the in-memory database.
+Failed to create the in-memory database. The possible reason is that other distributed data object have already set the same sessionId.
 
 **错误描述**
 
-创建内存数据库失败。
+创建内存数据库失败， 可能原因是已有其他分布式数据对象设置了相同的sessionId。
 
 **可能原因**
 
diff --git a/zh-cn/application-dev/reference/apis-arkdata/js-apis-data-distributedobject.md b/zh-cn/application-dev/reference/apis-arkdata/js-apis-data-distributedobject.md
index a66875397b73ce8301cd8a3b852e62c82fa9109d..2b0643732e81ff95cee01d3ec4b7a54c362c3fda 100644
--- a/zh-cn/application-dev/reference/apis-arkdata/js-apis-data-distributedobject.md
+++ b/zh-cn/application-dev/reference/apis-arkdata/js-apis-data-distributedobject.md
@@ -178,11 +178,11 @@ setSessionId(sessionId: string, callback: AsyncCallback<void>): void
 
   以下错误码的详细介绍请参见[通用错误码](../errorcode-universal.md)和[分布式数据对象错误码](errorcode-distributed-dataObject.md)。
 
-  | 错误码ID | 错误信息                                                                                                                                                           |
-  | -------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
+  | 错误码ID | 错误信息                                                                                                                                                               |
+  |--------------------------------------------------------------------------------------------------------------------------------------------------------------------| ------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
   | 201      | Permission verification failed.                                                                                                                                    |
   | 401      | Parameter error. Possible causes: 1. Incorrect parameter types; 2. The sessionId allows only letters, digits, and underscores(_), and cannot exceed 128 in length. |
-  | 15400001 | Failed to create the in-memory database.                                                                                                                                               |
+  | 15400001 | Failed to create the in-memory database. The possible reason is that other distributed data object has already set the same sessionId.                             |
 
 **示例：**
 
@@ -215,10 +215,10 @@ setSessionId(callback: AsyncCallback<void>): void
 
   以下错误码的详细介绍请参见[通用错误码](../errorcode-universal.md)和[分布式数据对象错误码](errorcode-distributed-dataObject.md)。
 
-  | 错误码ID | 错误信息 |
-  | -------- | -------- |
-  | 401      | Parameter error. Incorrect parameter types. |
-  | 15400001 | Failed to create the in-memory database. |
+  | 错误码ID | 错误信息                                                                                                                                   |
+  |----------------------------------------------------------------------------------------------------------------------------------------| -------- |
+  | 401      | Parameter error. Incorrect parameter types.                                                                                            |
+  | 15400001 | Failed to create the in-memory database. The possible reason is that other distributed data object has already set the same sessionId. |
 
 **示例：**
 
@@ -259,11 +259,11 @@ setSessionId(sessionId?: string): Promise<void>
 
   以下错误码的详细介绍请参见[通用错误码](../errorcode-universal.md)和[分布式数据对象错误码](errorcode-distributed-dataObject.md)。
 
-  | 错误码ID | 错误信息                                                                                                                                                           |
-  | -------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
+  | 错误码ID | 错误信息                                                                                                                                                               |
+  |--------------------------------------------------------------------------------------------------------------------------------------------------------------------| ------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
   | 201      | Permission verification failed.                                                                                                                                    |
   | 401      | Parameter error. Possible causes: 1. Incorrect parameter types; 2. The sessionId allows only letters, digits, and underscores(_), and cannot exceed 128 in length. |
-  | 15400001 | Failed to create the in-memory database.                                                                                                                                               |
+  | 15400001 | Failed to create the in-memory database. The possible reason is that other distributed data object has already set the same sessionId.                             |
 
 **示例：**