diff --git a/docs/en/14-reference/12-config/index.md b/docs/en/14-reference/12-config/index.md
index 430487a3af9f8729e199251b9cb6c913ee059769..cb9bebd72302ad13529da1ca0527abfee9b46dc3 100644
--- a/docs/en/14-reference/12-config/index.md
+++ b/docs/en/14-reference/12-config/index.md
@@ -97,6 +97,25 @@ The parameters described in this document by the effect that they have on the sy
 | Value Range   | 10-50000000                                          |
 | Default Value | 5000                                                 |
 
+### numOfRpcSessions 
+
+| Attribute     | Description                                          |
+| ------------- | ---------------------------------------------------- |
+| Applicable    | Client/Server                                        |
+| Meaning       | The maximum number of connection to create           |
+| Value Range   | 100-100000                                           |
+| Default Value | 10000                                                |
+
+### timeToGetAvailableConn
+
+| Attribute     | Description                                          |
+| ------------- | ---------------------------------------------------- |
+| Applicable    | Client/Server                                        |
+| Meaning       | The maximum waiting time to get avaliable conn       |
+| Value Range   | 10-50000000(ms)                                      |
+| Default Value | 500000                                               |
+
+
 ## Monitoring Parameters
 
 :::note
diff --git a/docs/zh/14-reference/12-config/index.md b/docs/zh/14-reference/12-config/index.md
index e5efd77f8050ae2305a02a5bd70367d259cb971c..ed6c9b450598624e5c779b16e5a8ffa3f5e218de 100644
--- a/docs/zh/14-reference/12-config/index.md
+++ b/docs/zh/14-reference/12-config/index.md
@@ -91,11 +91,30 @@ taos --dump-config
 ### maxShellConns
 
 | 属性     | 说明                    |
-| -------- | ----------------------- |
+| --------| ----------------------- |
 | 适用范围 | 仅服务端适用            |
-| 含义     | 一个 dnode 容许的连接数 |
+| 含义    | 一个 dnode 容许的连接数 |
 | 取值范围 | 10-50000000             |
-| 缺省值   | 5000                    |
+| 缺省值  | 5000                    |
+
+### numOfRpcSessions 
+
+| 属性     | 说明                    |
+| --------| ---------------------- |
+| 适用范围 |  客户端和服务端都适用      |
+| 含义     | 一个客户端能创建的最大连接数|
+| 取值范围 | 100-100000             |
+| 缺省值   | 10000                 |
+
+### timeToGetAvailableConn
+
+| 属性     | 说明                  |
+| -------- | --------------------|
+| 适用范围 |  客户端和服务端都适用    |
+| 含义     |获得可用连接的最长等待时间|
+| 取值范围 | 10-50000000(单位为毫秒)|
+| 缺省值   | 500000               |
+
 
 ## 监控相关