diff --git a/docs/zh/04-concept/index.md b/docs/zh/04-concept/index.md
index 4d2aebdd181d8e6e639d7fd2af3a33d5d980929d..4f1da8e9c1a4136ea164d919687cd6fb68ed3cee 100644
--- a/docs/zh/04-concept/index.md
+++ b/docs/zh/04-concept/index.md
@@ -176,8 +176,6 @@ TDengine 系统建议给一个数据采集点建表，需要通过超级表建
 
 ## 实例, URL和令牌
 
-An instance is a running cluster of nodes of TDengine with one or more databases. An instance cannot span across multiple regions or multiple clouds. TDengine cloud provides a unique URL for each instance and uses tokens to authenticate the access. The token is generated by TDengine cloud for each user and for each instance. The token has an expiration date and can be reset by the user for each instance at any time for security purpose.
-
 一个实例是一个运行的带有一个或多个数据库的 TDengine 节点集群。一个实例不能横跨多个地区或多个云。TDengine Cloud 为每个实例提供一个唯一的 URL，并使用令牌来验证访问。令牌是 TDengine Cloud 为每个用户和每个实例生成的，并且有一个到期日。为了安全起见，用户可以在任何时候为每个实例重置令牌。
 
 ## 用户和用户组
diff --git a/docs/zh/12-data-subscription/index.md b/docs/zh/12-data-subscription/index.md
index 4bc2466bd6ac6d2f4a2b3c13a614a30fb0c82e29..3299e88afa9b4671ec703415850466f5213412c9 100644
--- a/docs/zh/12-data-subscription/index.md
+++ b/docs/zh/12-data-subscription/index.md
@@ -25,7 +25,6 @@ TDengine 提供类似于消息队列产品的数据订阅和消费接口。这
 
 ### 超级表
 
-In the opened Add New Topic dialog, you can click STable type and select a specified super table from the selections. Then click Confirm button to create a topic to a super table.
 在打开的**添加新主题**对话框中，您可以点击**超级表**类型并从选择中选择一个指定的超级表。然后点击**确认**按钮，为超级表创建一个主题。
 ![在一个超级表上面创建主题](./topic/add-topic-stable.webp)