diff --git a/src/UserGuide/Master/Tree/API/Programming-OPC-UA_timecho.md b/src/UserGuide/Master/Tree/API/Programming-OPC-UA_timecho.md
index a1084df2..5a8005ff 100644
--- a/src/UserGuide/Master/Tree/API/Programming-OPC-UA_timecho.md
+++ b/src/UserGuide/Master/Tree/API/Programming-OPC-UA_timecho.md
@@ -90,7 +90,7 @@ create pipe p1
 | key                            | value                                                         | value range                         | required or not	 | default value       |
 | :------------------------------ | :----------------------------------------------------------- | :------------------------------------- | :------- | :------------- |
 | sink                               | OPC UA SINK                    | String: opc-ua-sink              | Required	         |                                                              |
-| sink.opcua.model                   | OPC UA model used	              | String: client-server / pub-sub  | Optional         | client-server                                                |
+| sink.opcua.model                   | OPC UA model used	              | String: client-server / pub-sub  | Optional         | pub-sub                                                |
 | sink.opcua.tcp.port                | OPC UA's TCP port	             | Integer: [0, 65536]              | Optional         | 12686                                                        |
 | sink.opcua.https.port              | OPC UA's HTTPS port	           | Integer: [0, 65536]              | Optional         | 8443                                                         |
 | sink.opcua.security.dir            | Directory for OPC UA's keys and certificates	        | String: Path, supports absolute and relative directories | Optional         | Opc_security folder/<httpsPort: tcpPort>in the conf directory of the DataNode related to iotdb <br> If there is no conf directory for iotdb (such as launching DataNode in IDEA), it will be the iotdb_opc_Security folder/<httpsPort: tcpPort>in the user's home directory |
diff --git a/src/UserGuide/V1.3.x/API/Programming-OPC-UA_timecho.md b/src/UserGuide/V1.3.x/API/Programming-OPC-UA_timecho.md
index 29f3b952..cb98a3bd 100644
--- a/src/UserGuide/V1.3.x/API/Programming-OPC-UA_timecho.md
+++ b/src/UserGuide/V1.3.x/API/Programming-OPC-UA_timecho.md
@@ -87,7 +87,7 @@ create pipe p1
 | key                                | value                                               | value range                                              | required or not | default value                                                                                                                                                                                                                                                                |
 | :--------------------------------- | :-------------------------------------------------- | :------------------------------------------------------- | :-------------- | :--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
 | sink                               | OPC UA SINK                                         | String: opc-ua-sink                                      | Required        |                                                                                                                                                                                                                                                                              |
-| sink.opcua.model                   | OPC UA model used                                   | String: client-server / pub-sub                          | Optional        | client-server                                                                                                                                                                                                                                                                |
+| sink.opcua.model                   | OPC UA model used                                   | String: client-server / pub-sub                          | Optional        | pub-sub                                                                                                                                                                                                                                                                |
 | sink.opcua.tcp.port                | OPC UA's TCP port                                   | Integer: \[0, 65536]                                      | Optional        | 12686                                                                                                                                                                                                                                                                        |
 | sink.opcua.https.port              | OPC UA's HTTPS port                                 | Integer: \[0, 65536]                                      | Optional        | 8443                                                                                                                                                                                                                                                                         |
 | sink.opcua.security.dir            | Directory for OPC UA's keys and certificates        | String: Path, supports absolute and relative directories | Optional        | Opc_security folder/<httpsPort: tcpPort>in the conf directory of the DataNode related to iotdb <br> If there is no conf directory for iotdb (such as launching DataNode in IDEA), it will be the iotdb_opc_Security folder/\<httpsPort: tcpPort>in the user's home directory |
diff --git a/src/UserGuide/dev-1.3/API/Programming-OPC-UA_timecho.md b/src/UserGuide/dev-1.3/API/Programming-OPC-UA_timecho.md
index 29f3b952..cb98a3bd 100644
--- a/src/UserGuide/dev-1.3/API/Programming-OPC-UA_timecho.md
+++ b/src/UserGuide/dev-1.3/API/Programming-OPC-UA_timecho.md
@@ -87,7 +87,7 @@ create pipe p1
 | key                                | value                                               | value range                                              | required or not | default value                                                                                                                                                                                                                                                                |
 | :--------------------------------- | :-------------------------------------------------- | :------------------------------------------------------- | :-------------- | :--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
 | sink                               | OPC UA SINK                                         | String: opc-ua-sink                                      | Required        |                                                                                                                                                                                                                                                                              |
-| sink.opcua.model                   | OPC UA model used                                   | String: client-server / pub-sub                          | Optional        | client-server                                                                                                                                                                                                                                                                |
+| sink.opcua.model                   | OPC UA model used                                   | String: client-server / pub-sub                          | Optional        | pub-sub                                                                                                                                                                                                                                                                |
 | sink.opcua.tcp.port                | OPC UA's TCP port                                   | Integer: \[0, 65536]                                      | Optional        | 12686                                                                                                                                                                                                                                                                        |
 | sink.opcua.https.port              | OPC UA's HTTPS port                                 | Integer: \[0, 65536]                                      | Optional        | 8443                                                                                                                                                                                                                                                                         |
 | sink.opcua.security.dir            | Directory for OPC UA's keys and certificates        | String: Path, supports absolute and relative directories | Optional        | Opc_security folder/<httpsPort: tcpPort>in the conf directory of the DataNode related to iotdb <br> If there is no conf directory for iotdb (such as launching DataNode in IDEA), it will be the iotdb_opc_Security folder/\<httpsPort: tcpPort>in the user's home directory |
diff --git a/src/UserGuide/latest/API/Programming-OPC-UA_timecho.md b/src/UserGuide/latest/API/Programming-OPC-UA_timecho.md
index a1084df2..5a8005ff 100644
--- a/src/UserGuide/latest/API/Programming-OPC-UA_timecho.md
+++ b/src/UserGuide/latest/API/Programming-OPC-UA_timecho.md
@@ -90,7 +90,7 @@ create pipe p1
 | key                            | value                                                         | value range                         | required or not	 | default value       |
 | :------------------------------ | :----------------------------------------------------------- | :------------------------------------- | :------- | :------------- |
 | sink                               | OPC UA SINK                    | String: opc-ua-sink              | Required	         |                                                              |
-| sink.opcua.model                   | OPC UA model used	              | String: client-server / pub-sub  | Optional         | client-server                                                |
+| sink.opcua.model                   | OPC UA model used	              | String: client-server / pub-sub  | Optional         | pub-sub                                                |
 | sink.opcua.tcp.port                | OPC UA's TCP port	             | Integer: [0, 65536]              | Optional         | 12686                                                        |
 | sink.opcua.https.port              | OPC UA's HTTPS port	           | Integer: [0, 65536]              | Optional         | 8443                                                         |
 | sink.opcua.security.dir            | Directory for OPC UA's keys and certificates	        | String: Path, supports absolute and relative directories | Optional         | Opc_security folder/<httpsPort: tcpPort>in the conf directory of the DataNode related to iotdb <br> If there is no conf directory for iotdb (such as launching DataNode in IDEA), it will be the iotdb_opc_Security folder/<httpsPort: tcpPort>in the user's home directory |
diff --git a/src/zh/UserGuide/Master/Tree/API/Programming-OPC-UA_timecho.md b/src/zh/UserGuide/Master/Tree/API/Programming-OPC-UA_timecho.md
index 47e31ea4..b0e9948b 100644
--- a/src/zh/UserGuide/Master/Tree/API/Programming-OPC-UA_timecho.md
+++ b/src/zh/UserGuide/Master/Tree/API/Programming-OPC-UA_timecho.md
@@ -86,7 +86,7 @@ create pipe p1
 | **参数**                           | **描述**                       | **取值范围**                     | **是否必填** | **默认值**                                                   |
 | ---------------------------------- | ------------------------------ | -------------------------------- | ------------ | ------------------------------------------------------------ |
 | sink                               | OPC UA SINK                    | String: opc-ua-sink              | 必填         |                                                              |
-| sink.opcua.model                   | OPC UA 使用的模式              | String: client-server / pub-sub  | 选填         | client-server                                                |
+| sink.opcua.model                   | OPC UA 使用的模式              | String: client-server / pub-sub  | 选填         | pub-sub                                                |
 | sink.opcua.tcp.port                | OPC UA 的 TCP 端口             | Integer: [0, 65536]              | 选填         | 12686                                                        |
 | sink.opcua.https.port              | OPC UA 的 HTTPS 端口           | Integer: [0, 65536]              | 选填         | 8443                                                         |
 | sink.opcua.security.dir            | OPC UA 的密钥及证书目录        | String: Path，支持绝对及相对目录 | 选填         | iotdb 相关 DataNode 的 conf 目录下的 opc_security 文件夹 /<httpsPort:tcpPort>。<br>如无 iotdb 的 conf 目录（例如 IDEA 中启动 DataNode），则为用户主目录下的 iotdb_opc_security 文件夹 /<httpsPort:tcpPort> |
diff --git a/src/zh/UserGuide/V1.3.x/API/Programming-OPC-UA_timecho.md b/src/zh/UserGuide/V1.3.x/API/Programming-OPC-UA_timecho.md
index 47e31ea4..b0e9948b 100644
--- a/src/zh/UserGuide/V1.3.x/API/Programming-OPC-UA_timecho.md
+++ b/src/zh/UserGuide/V1.3.x/API/Programming-OPC-UA_timecho.md
@@ -86,7 +86,7 @@ create pipe p1
 | **参数**                           | **描述**                       | **取值范围**                     | **是否必填** | **默认值**                                                   |
 | ---------------------------------- | ------------------------------ | -------------------------------- | ------------ | ------------------------------------------------------------ |
 | sink                               | OPC UA SINK                    | String: opc-ua-sink              | 必填         |                                                              |
-| sink.opcua.model                   | OPC UA 使用的模式              | String: client-server / pub-sub  | 选填         | client-server                                                |
+| sink.opcua.model                   | OPC UA 使用的模式              | String: client-server / pub-sub  | 选填         | pub-sub                                                |
 | sink.opcua.tcp.port                | OPC UA 的 TCP 端口             | Integer: [0, 65536]              | 选填         | 12686                                                        |
 | sink.opcua.https.port              | OPC UA 的 HTTPS 端口           | Integer: [0, 65536]              | 选填         | 8443                                                         |
 | sink.opcua.security.dir            | OPC UA 的密钥及证书目录        | String: Path，支持绝对及相对目录 | 选填         | iotdb 相关 DataNode 的 conf 目录下的 opc_security 文件夹 /<httpsPort:tcpPort>。<br>如无 iotdb 的 conf 目录（例如 IDEA 中启动 DataNode），则为用户主目录下的 iotdb_opc_security 文件夹 /<httpsPort:tcpPort> |
diff --git a/src/zh/UserGuide/dev-1.3/API/Programming-OPC-UA_timecho.md b/src/zh/UserGuide/dev-1.3/API/Programming-OPC-UA_timecho.md
index 47e31ea4..b0e9948b 100644
--- a/src/zh/UserGuide/dev-1.3/API/Programming-OPC-UA_timecho.md
+++ b/src/zh/UserGuide/dev-1.3/API/Programming-OPC-UA_timecho.md
@@ -86,7 +86,7 @@ create pipe p1
 | **参数**                           | **描述**                       | **取值范围**                     | **是否必填** | **默认值**                                                   |
 | ---------------------------------- | ------------------------------ | -------------------------------- | ------------ | ------------------------------------------------------------ |
 | sink                               | OPC UA SINK                    | String: opc-ua-sink              | 必填         |                                                              |
-| sink.opcua.model                   | OPC UA 使用的模式              | String: client-server / pub-sub  | 选填         | client-server                                                |
+| sink.opcua.model                   | OPC UA 使用的模式              | String: client-server / pub-sub  | 选填         | pub-sub                                                |
 | sink.opcua.tcp.port                | OPC UA 的 TCP 端口             | Integer: [0, 65536]              | 选填         | 12686                                                        |
 | sink.opcua.https.port              | OPC UA 的 HTTPS 端口           | Integer: [0, 65536]              | 选填         | 8443                                                         |
 | sink.opcua.security.dir            | OPC UA 的密钥及证书目录        | String: Path，支持绝对及相对目录 | 选填         | iotdb 相关 DataNode 的 conf 目录下的 opc_security 文件夹 /<httpsPort:tcpPort>。<br>如无 iotdb 的 conf 目录（例如 IDEA 中启动 DataNode），则为用户主目录下的 iotdb_opc_security 文件夹 /<httpsPort:tcpPort> |
diff --git a/src/zh/UserGuide/latest/API/Programming-OPC-UA_timecho.md b/src/zh/UserGuide/latest/API/Programming-OPC-UA_timecho.md
index 47e31ea4..b0e9948b 100644
--- a/src/zh/UserGuide/latest/API/Programming-OPC-UA_timecho.md
+++ b/src/zh/UserGuide/latest/API/Programming-OPC-UA_timecho.md
@@ -86,7 +86,7 @@ create pipe p1
 | **参数**                           | **描述**                       | **取值范围**                     | **是否必填** | **默认值**                                                   |
 | ---------------------------------- | ------------------------------ | -------------------------------- | ------------ | ------------------------------------------------------------ |
 | sink                               | OPC UA SINK                    | String: opc-ua-sink              | 必填         |                                                              |
-| sink.opcua.model                   | OPC UA 使用的模式              | String: client-server / pub-sub  | 选填         | client-server                                                |
+| sink.opcua.model                   | OPC UA 使用的模式              | String: client-server / pub-sub  | 选填         | pub-sub                                                |
 | sink.opcua.tcp.port                | OPC UA 的 TCP 端口             | Integer: [0, 65536]              | 选填         | 12686                                                        |
 | sink.opcua.https.port              | OPC UA 的 HTTPS 端口           | Integer: [0, 65536]              | 选填         | 8443                                                         |
 | sink.opcua.security.dir            | OPC UA 的密钥及证书目录        | String: Path，支持绝对及相对目录 | 选填         | iotdb 相关 DataNode 的 conf 目录下的 opc_security 文件夹 /<httpsPort:tcpPort>。<br>如无 iotdb 的 conf 目录（例如 IDEA 中启动 DataNode），则为用户主目录下的 iotdb_opc_security 文件夹 /<httpsPort:tcpPort> |