diff --git a/scripts/publish_java/boundle.sh b/scripts/publish_java/boundle.sh
index b895528..f9b1900 100644
--- a/scripts/publish_java/boundle.sh
+++ b/scripts/publish_java/boundle.sh
@@ -17,6 +17,14 @@ then
     cd $work_dir
 fi
 
+echo $dir_name|grep _bt
+if [[ $? -eq 0 ]]; then
+    cd ${SOURCE_DIR}
+    git pull
+    git checkout bt
+    cd $work_dir
+fi
+
 cd ${SOURCE_PATH}
 echo ${PRE_COMPILE_CMD}|sh
 echo ${COMPILE_CMD}|sh