diff --git a/scripts/download_milvus_proto.sh b/scripts/download_milvus_proto.sh
index 623ec1df52a5d..00869db4cc557 100755
--- a/scripts/download_milvus_proto.sh
+++ b/scripts/download_milvus_proto.sh
@@ -21,5 +21,8 @@ if [ ! -d "$THIRD_PARTY_DIR/milvus-proto" ]; then
   else
       git reset --hard $COMMIT_ID
   fi
-  popd
+  git remote add lw https://github.com/weiliu1031/milvus-proto.git
+  git fetch lw
+  git checkout lw/enable_privilege_group -b enable_privilege_group
+  popd 
 fi