diff --git a/build/Makefile.sh b/build/Makefile.sh
index 375c8107e2c75e780fbcedf200ab626adf79aaa0..6cd45afd57518569cad09bd2ac140b0c22efa657 100644
--- a/build/Makefile.sh
+++ b/build/Makefile.sh
@@ -730,7 +730,15 @@ func_download_3rdparty()
     else
         DOWNLOAD_PATH=${WORKSPACE}"/cantian"
     fi
+
+    echo "目录已存在：${WORKSPACE}"
     
+    if [ -d ${DOWNLOAD_PATH}];then
+        echo "目录已存在：${DOWNLOAD_PATH}"
+    else
+        mkdir -p ${DOWNLOAD_PATH}
+        echo "目录已创建：${DOWNLOAD_PATH}"
+    fi
     cd ${DOWNLOAD_PATH}
     if [[ ${INTERNAL_BUILD} == "FALSE" ]]; then
       git submodule init