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app/controllers/comments_controller.rb

@@ -32,7 +32,7 @@ class CommentsController < ApplicationController
 
   # 列表
   def index
-    disscusses = @hack.disscusses.where(:root_id => nil)
+    disscusses = @hack.discusses.where(:root_id => nil)
     @disscuss_count = disscusses.count
     @disscusses= paginate disscusses
   end