risk

@@ -31,10 +31,10 @@ const risk = {
     add: async(ctx, next) => {
         var data = {};
         var key = ctx.request.query.key;
-        var app = key.split('/')[0];
         var oldRet = '';
 
         if (key) {
+            var app = key.split('/')[0];
             var path = formatPath(app);
             oldRet = await zookeeperModel.getPath(path);