diff --git a/README.md b/README.md
index cf097cbad..6088d0350 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ You can find the all the OAP MLlib documents on the [project web page](https://o
 
 ### Java/Scala Users Preferred
 
-Use a pre-built OAP MLlib JAR to get started. You can firstly download OAP package from [OAP-JARs-Tarball](https://github.com/oap-project/oap-tools/releases/download/v1.2.0/oap-1.2.0-bin-spark-3.1.1.tar.gz) and extract this Tarball to get `oap-mllib-x.x.x.jar` under `oap-1.2.0-bin-spark-3.1.1/jars`.
+Use a pre-built OAP MLlib JAR to get started. You can firstly download OAP package from [OAP-JARs-Tarball](https://github.com/oap-project/oap-tools/releases/download/v1.2.0/oap-1.2.0-bin.tar.gz) and extract this Tarball to get `oap-mllib-x.x.x.jar` under `oap-1.2.0-bin-spark-3.1.1/jars`.
 
 Then you can refer to the following [Running](#running) section to try out.
 
diff --git a/docs/User-Guide.md b/docs/User-Guide.md
index 88ebedd77..727eb04a4 100644
--- a/docs/User-Guide.md
+++ b/docs/User-Guide.md
@@ -16,7 +16,7 @@ For those algorithms that are not accelerated by OAP MLlib, the original Spark M
 
 ### Java/Scala Users Preferred
 
-Use a pre-built OAP MLlib JAR to get started. You can firstly download OAP package from [OAP-JARs-Tarball](https://github.com/oap-project/oap-tools/releases/download/v1.2.0/oap-1.2.0-bin-spark-3.1.1.tar.gz) and extract this Tarball to get `oap-mllib-x.x.x.jar` under `oap-1.2.0-bin-spark-3.1.1/jars`.
+Use a pre-built OAP MLlib JAR to get started. You can firstly download OAP package from [OAP-JARs-Tarball](https://github.com/oap-project/oap-tools/releases/download/v1.2.0/oap-1.2.0-bin.tar.gz) and extract this Tarball to get `oap-mllib-x.x.x.jar` under `oap-1.2.0-bin-spark-3.1.1/jars`.
 
 Then you can refer to the following [Running](#running) section to try out.
 
diff --git a/docs/index.md b/docs/index.md
index 869ba1302..027f6d0c9 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -17,7 +17,7 @@ For those algorithms that are not accelerated by OAP MLlib, the original Spark M
 
 ### Java/Scala Users Preferred
 
-Use a pre-built OAP MLlib JAR to get started. You can firstly download OAP package from [OAP-JARs-Tarball](https://github.com/oap-project/oap-tools/releases/download/v1.2.0/oap-1.2.0-bin-spark-3.1.1.tar.gz) and extract this Tarball to get `oap-mllib-x.x.x.jar` under `oap-1.2.0-bin-spark-3.1.1/jars`.
+Use a pre-built OAP MLlib JAR to get started. You can firstly download OAP package from [OAP-JARs-Tarball](https://github.com/oap-project/oap-tools/releases/download/v1.2.0/oap-1.2.0-bin.tar.gz) and extract this Tarball to get `oap-mllib-x.x.x.jar` under `oap-1.2.0-bin-spark-3.1.1/jars`.
 
 Then you can refer to the following [Running](#running) section to try out.