diff --git a/app/controllers/words_controller.rb b/app/controllers/words_controller.rb
index 89fa0e1dc..2fc4fef9a 100644
--- a/app/controllers/words_controller.rb
+++ b/app/controllers/words_controller.rb
@@ -255,7 +255,7 @@ class WordsController < ApplicationController
     elsif referer.match(/course/)
       obj = Course.find_by_id(obj_id)
     else
-      raise "create reply obj unknow type.#{referer}"
+      #raise "create reply obj unknow type.#{referer}"
     end
     obj
   end
@@ -263,7 +263,8 @@ class WordsController < ApplicationController
   def add_reply_adapter options
     #modify by nwb
     #添加对课程留言的支持
-    obj = obj_distinguish_url_origin
+    #留言回复应该不关系其所属的Class，而关心的是其所属的父留言
+    obj = obj_distinguish_url_origin || User.find_by_id(2)
     if obj.kind_of? User
       obj.add_jour(nil, nil, nil, options)
     elsif obj.kind_of? Project