diff --git a/scripts/download-sdk.sh b/scripts/download-sdk.sh
index e848d80..21176a0 100755
--- a/scripts/download-sdk.sh
+++ b/scripts/download-sdk.sh
@@ -3,6 +3,8 @@
 sdk_url="http://api.map.baidu.com/portal/sdk/api_filedownload?file_path=/Android/gp_6-1-3/BaiduLBS_Android_Vgp_6.1.3_100665344.zip"
 curl "$sdk_url" -o sdk.zip
 unzip -o sdk.zip
+rm -r lib/android/libs
+mkdir lib/android/libs
 mv libs/BaiduLBS_Android.jar lib/android/libs/
 rm -r lib/android/src/main/jniLibs
 mv libs lib/android/src/main/jniLibs