fix uploader file path issue

Author: alinode-oss

upload_file

@@ -18,7 +18,7 @@ if [ $GZIP ] && [ -f "$FULL_PATH" ]; then
   TARGET_PATH=$FULL_PATH".gz"
 fi
 
-UPLOADER=`pwd`/uploader.js
+UPLOADER=$(cd "$(dirname "$0")"; pwd)/uploader.js
 
 #uploader server filepath token id
 $NODE "$UPLOADER" $1 $TARGET_PATH $3 $4