diff --git a/docs/en/20-third-party/11-kafka.md b/docs/en/20-third-party/11-kafka.md
index 6720af8bf81ea2f4fce415a54847453f578ababf..f692c3cb52b4b75731ebdabe2f19f432318602c4 100644
--- a/docs/en/20-third-party/11-kafka.md
+++ b/docs/en/20-third-party/11-kafka.md
@@ -76,7 +76,7 @@ Development: false
 ### Install from source code
 
 ```
-git clone https://github.com:taosdata/kafka-connect-tdengine.git
+git clone --branch master 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 2536e090494b5efbb93f0f53649eefe18d855b43..17e82a4d5ed67653f9f4550fc360aecb4e1deaf3 100644
--- a/docs/zh/20-third-party/11-kafka.md
+++ b/docs/zh/20-third-party/11-kafka.md
@@ -78,7 +78,7 @@ Development: false
 ### 从源码安装
 
 ```
-git clone https://github.com:taosdata/kafka-connect-tdengine.git
+git clone --branch master 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