diff --git a/docs/en/connector-v2/sink/Mysql.md b/docs/en/connector-v2/sink/Mysql.md
index 6c01c35ee8c..f453a60c4e9 100644
--- a/docs/en/connector-v2/sink/Mysql.md
+++ b/docs/en/connector-v2/sink/Mysql.md
@@ -122,7 +122,7 @@ transform {
 
 sink {
     jdbc {
-        url = "jdbc:mysql://localhost:3306/test"
+        url = "jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=UTF-8&rewriteBatchedStatements=true"
         driver = "com.mysql.cj.jdbc.Driver"
         user = "root"
         password = "123456"
@@ -140,7 +140,7 @@ sink {
 ```
 sink {
     jdbc {
-        url = "jdbc:mysql://localhost:3306/test"
+        url = "jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=UTF-8&rewriteBatchedStatements=true"
         driver = "com.mysql.cj.jdbc.Driver"
         user = "root"
         password = "123456"
@@ -159,7 +159,7 @@ sink {
 ```
 sink {
     jdbc {
-        url = "jdbc:mysql://localhost:3306/test"
+        url = "jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=UTF-8&rewriteBatchedStatements=true"
         driver = "com.mysql.cj.jdbc.Driver"
     
         max_retries = 0
@@ -181,7 +181,7 @@ sink {
 ```
 sink {
     jdbc {
-        url = "jdbc:mysql://localhost:3306/test"
+        url = "jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=UTF-8&rewriteBatchedStatements=true"
         driver = "com.mysql.cj.jdbc.Driver"
         user = "root"
         password = "123456"
diff --git a/docs/en/connector-v2/source/Clickhouse.md b/docs/en/connector-v2/source/Clickhouse.md
index 7596bf72a8f..d70a8f0e33f 100644
--- a/docs/en/connector-v2/source/Clickhouse.md
+++ b/docs/en/connector-v2/source/Clickhouse.md
@@ -66,7 +66,7 @@ The following example demonstrates how to create a data synchronization job that
 ```bash
 # Set the basic configuration of the task to be performed
 env {
-  execution.parallelism = 1
+  execution.parallelism = 10
   job.mode = "BATCH"
 }
 
diff --git a/docs/en/connector-v2/source/Jdbc.md b/docs/en/connector-v2/source/Jdbc.md
index d82df87a02e..585c2bc0024 100644
--- a/docs/en/connector-v2/source/Jdbc.md
+++ b/docs/en/connector-v2/source/Jdbc.md
@@ -145,15 +145,25 @@ Jdbc {
 parallel:
 
 ```
-Jdbc {
-    url = "jdbc:mysql://localhost/test?serverTimezone=GMT%2b8"
-    driver = "com.mysql.cj.jdbc.Driver"
-    connection_check_timeout_sec = 100
-    user = "root"
-    password = "123456"
-    query = "select * from type_bin"
-    partition_column = "id"
-    partition_num = 10
+env {
+  execution.parallelism = 10
+  job.mode = "BATCH"
+}
+source {
+    Jdbc {
+        url = "jdbc:mysql://localhost/test?serverTimezone=GMT%2b8"
+        driver = "com.mysql.cj.jdbc.Driver"
+        connection_check_timeout_sec = 100
+        user = "root"
+        password = "123456"
+        query = "select * from type_bin"
+        partition_column = "id"
+        partition_num = 10
+    }
+}
+
+sink {
+  Console {}
 }
 ```
 
diff --git a/docs/en/connector-v2/source/MongoDB.md b/docs/en/connector-v2/source/MongoDB.md
index 137fb205b8c..d63d303fa24 100644
--- a/docs/en/connector-v2/source/MongoDB.md
+++ b/docs/en/connector-v2/source/MongoDB.md
@@ -283,6 +283,10 @@ By utilizing `flat.sync-string`, only one field attribute value can be set, and
 This operation will perform a string mapping on a single MongoDB data entry.
 
 ```bash
+env {
+  execution.parallelism = 10
+  job.mode = "BATCH"
+}
 source {
   MongoDB {
     uri = "mongodb://user:password@127.0.0.1:27017"
@@ -296,6 +300,9 @@ source {
     }
   }
 }
+sink {
+  Console {}
+}
 ```
 
 Use the data samples synchronized with modified parameters, such as the following:
diff --git a/docs/en/connector-v2/source/Mysql.md b/docs/en/connector-v2/source/Mysql.md
index 001ef1463da..bdac5c0aec6 100644
--- a/docs/en/connector-v2/source/Mysql.md
+++ b/docs/en/connector-v2/source/Mysql.md
@@ -94,7 +94,7 @@ env {
 }
 source{
     Jdbc {
-        url = "jdbc:mysql://localhost:3306/test?serverTimezone=GMT%2b8"
+        url = "jdbc:mysql://localhost:3306/test?serverTimezone=GMT%2b8&useUnicode=true&characterEncoding=UTF-8&rewriteBatchedStatements=true"
         driver = "com.mysql.cj.jdbc.Driver"
         connection_check_timeout_sec = 100
         user = "root"
@@ -118,9 +118,13 @@ sink {
 > Read your query table in parallel with the shard field you configured and the shard data  You can do this if you want to read the whole table
 
 ```
+env {
+  execution.parallelism = 10
+  job.mode = "BATCH"
+}
 source {
     Jdbc {
-        url = "jdbc:mysql://localhost:3306/test?serverTimezone=GMT%2b8"
+        url = "jdbc:mysql://localhost:3306/test?serverTimezone=GMT%2b8&useUnicode=true&characterEncoding=UTF-8&rewriteBatchedStatements=true"
         driver = "com.mysql.cj.jdbc.Driver"
         connection_check_timeout_sec = 100
         user = "root"
@@ -133,6 +137,9 @@ source {
         partition_num = 10
     }
 }
+sink {
+  Console {}
+}
 ```
 
 ### Parallel Boundary:
@@ -142,7 +149,7 @@ source {
 ```
 source {
     Jdbc {
-        url = "jdbc:mysql://localhost:3306/test?serverTimezone=GMT%2b8"
+        url = "jdbc:mysql://localhost:3306/test?serverTimezone=GMT%2b8&useUnicode=true&characterEncoding=UTF-8&rewriteBatchedStatements=true"
         driver = "com.mysql.cj.jdbc.Driver"
         connection_check_timeout_sec = 100
         user = "root"
diff --git a/docs/en/connector-v2/source/OceanBase.md b/docs/en/connector-v2/source/OceanBase.md
index bd035793eee..434e25284dd 100644
--- a/docs/en/connector-v2/source/OceanBase.md
+++ b/docs/en/connector-v2/source/OceanBase.md
@@ -127,6 +127,10 @@ sink {
 > Read your query table in parallel with the shard field you configured and the shard data. You can do this if you want to read the whole table
 
 ```
+env {
+  execution.parallelism = 10
+  job.mode = "BATCH"
+}
 source {
   Jdbc {
     driver = "com.oceanbase.jdbc.Driver"
@@ -141,6 +145,9 @@ source {
     partition_num = 10
   }
 }
+sink {
+  Console {}
+}
 ```
 
 ### Parallel Boundary:
diff --git a/docs/en/connector-v2/source/Oracle.md b/docs/en/connector-v2/source/Oracle.md
index 385d55ca9e5..f191cda9d99 100644
--- a/docs/en/connector-v2/source/Oracle.md
+++ b/docs/en/connector-v2/source/Oracle.md
@@ -111,6 +111,10 @@ sink {
 > Read your query table in parallel with the shard field you configured and the shard data  You can do this if you want to read the whole table
 
 ```
+env {
+  execution.parallelism = 10
+  job.mode = "BATCH"
+}
 source {
     Jdbc {
         url = "jdbc:oracle:thin:@datasource01:1523:xe"
@@ -126,6 +130,9 @@ source {
         partition_num = 10
     }
 }
+sink {
+  Console {}
+}
 ```
 
 ### Parallel Boundary:
diff --git a/docs/en/connector-v2/source/PostgreSQL.md b/docs/en/connector-v2/source/PostgreSQL.md
index 50839780726..63ddbc25ecf 100644
--- a/docs/en/connector-v2/source/PostgreSQL.md
+++ b/docs/en/connector-v2/source/PostgreSQL.md
@@ -120,6 +120,10 @@ sink {
 > Read your query table in parallel with the shard field you configured and the shard data  You can do this if you want to read the whole table
 
 ```
+env {
+  execution.parallelism = 10
+  job.mode = "BATCH"
+}
 source{
     jdbc{
         url = "jdbc:postgresql://localhost:5432/test"
@@ -131,6 +135,9 @@ source{
         partition_num = 5
     }
 }
+sink {
+  Console {}
+}
 ```
 
 ### Parallel Boundary: