diff --git a/app/api/mobile/apis/new_comment.rb b/app/api/mobile/apis/new_comment.rb
index 09ec28d89..8d713d784 100644
--- a/app/api/mobile/apis/new_comment.rb
+++ b/app/api/mobile/apis/new_comment.rb
@@ -19,15 +19,10 @@ module Mobile
             raise "无法获取到openid,请在微信中打开本页面" unless openid
             us = UsersService.new
 
-            userinfo = Wechat.api.user(openid)
-            name = userinfo["nickname"]
-
-            user = us.register ({:login=>openid, :mail=>login+"@163.com",
+            user = us.register ({:login=>openid, :mail=>"#{openid}@163.com",
                                  :password=>"12345678", :password_confirmation=>"12345678",
                                  :should_confirmation_password => true})
 
-            user.update_attributes(:lastname=>name)
-
             raise user.errors.full_messages.first if user.new_record?
             UserWechat.create!(
                 openid: openid,