直播增加级别限制

app/models/live_broad.rb

@@ -25,7 +25,7 @@ class LiveBroad < ActiveRecord::Base
       if self.rank_str.length>0
         self.rank_str.each do |item|
           if item.length<=0
-            continue
+            next
           end
           if i==0
             str=item.to_s