diff --git a/docs/en/20-third-party/11-kafka.md b/docs/en/20-third-party/11-kafka.md
index 0998862b2d75b98fb65ff414d000535b0c8b7ea5..9e322d2a5b0234a24c880a5656a25d35933af845 100644
--- a/docs/en/20-third-party/11-kafka.md
+++ b/docs/en/20-third-party/11-kafka.md
@@ -77,7 +77,7 @@ Development: false
 ### Install from source code
 
 ```
-git clone https://github.com/taosdata/kafka-connect-tdengine.git
+git clone --branch 3.0 https://github.com/taosdata/kafka-connect-tdengine.git
 cd kafka-connect-tdengine
 mvn clean package
 unzip -d $CONFLUENT_HOME/share/java/ target/components/packages/taosdata-kafka-connect-tdengine-*.zip
diff --git a/docs/zh/20-third-party/11-kafka.md b/docs/zh/20-third-party/11-kafka.md
index cc2247f25ebacbc8f5290c2442860f264fad39f1..7fb7738a4f629ccda5dd2aca3c65bf7cb5a90efe 100644
--- a/docs/zh/20-third-party/11-kafka.md
+++ b/docs/zh/20-third-party/11-kafka.md
@@ -79,7 +79,7 @@ Development: false
 ### 从源码安装
 
 ```
-git clone https://github.com/taosdata/kafka-connect-tdengine.git
+git clone --branch 3.0 https://github.com/taosdata/kafka-connect-tdengine.git
 cd kafka-connect-tdengine
 mvn clean package
 unzip -d $CONFLUENT_HOME/share/java/ target/components/packages/taosdata-kafka-connect-tdengine-*.zip