diff --git a/app/api/mobile/apis/users.rb b/app/api/mobile/apis/users.rb
index 0bd193f51..4950d7041 100644
--- a/app/api/mobile/apis/users.rb
+++ b/app/api/mobile/apis/users.rb
@@ -29,7 +29,7 @@ module Mobile
             logger.debug "openid ============== #{openid}"
             raise "无法获取到openid,请在微信中打开本页面" unless openid
             uw = UserWechat.where(openid: openid).first
-            raise "此微信号已绑定用户(#{uw.user.login}), 不能重复绑定" if uw
+            raise "此微信号已绑定用户(#{uw.user.login}), 不能重复绑定" if uw && uw.real?
 
             user, last_login_on = User.try_to_login(params[:login], params[:password])
             raise "用户名或密码错误,请重新输入" unless user
@@ -37,10 +37,15 @@ module Mobile
 
             raise "此用户已经绑定过公众号, 请换一个帐户试试" if user.user_wechat
 
-            UserWechat.create!(
+            if uw && !user.real?
+              uw.migrate_user(user)
+            else
+              UserWechat.create!(
                 openid: openid,
                 user: user
-            )
+              )
+            end
+
             ws = WechatService.new
             ws.binding_succ_notice(user.id, "您已成功绑定Trustie平台。", user.login+"("+user.show_name+")", Time.now.strftime("%Y-%m-%d"))
             present status: 0, message: '您已成功绑定Trustie平台'
@@ -58,25 +63,18 @@ module Mobile
           raise "无法获取到openid,请在微信中打开本页面" unless openid
 
           uw = UserWechat.where(openid: openid).first
-          if uw
-            uw.bindtype = 0
-            uw.save
-            user = uw.user
-            user[:login] = params[:login]
-            user[:mail] = params[:mail]
-            user[:password] = params[:password]
-            user[:password_confirmation] = params[:password]
-            user[:should_confirmation_password] = true
-            user.save!
-          else
-            us = UsersService.new
-            user = us.register params.merge(:password_confirmation => params[:password],
-                                            :should_confirmation_password => true)
-            raise user.errors.full_messages.first if user.new_record?
+          raise "此微信号已绑定用户(#{uw.user.login}), 不能重复绑定" if uw && uw.real?
+          us = UsersService.new
+          user = us.register params.merge(:password_confirmation => params[:password],
+                                          :should_confirmation_password => true)
+          raise user.errors.full_messages.first if user.new_record?
 
+          if uw && !user.real?
+            uw.migrate_user(user)
+          else
             UserWechat.create!(
-                openid: openid,
-                user: user
+              openid: openid,
+              user: user
             )
           end
 
diff --git a/app/models/user_wechat.rb b/app/models/user_wechat.rb
index 370ab8fd1..a96cabbe5 100644
--- a/app/models/user_wechat.rb
+++ b/app/models/user_wechat.rb
@@ -3,4 +3,24 @@ class UserWechat < ActiveRecord::Base
                   :headimgurl, :subscribe_time, :unionid, :remark, :groupid, :user, :user_id, :bindtype
 
   belongs_to :user
+
+  def real?
+    bindtype == 0
+  end
+
+  def migrate_user(u)
+    self.bindtype = 0
+    old_user = user.id
+    self.user = u
+    self.save
+    
+    ## 主要是将comment 迁移
+    User.delete(old_user) 
+
+    JournalForMessages.where(user_id: old_user).update_all(user_id: u.id)
+    Journal.where(user_id: old_user).update_all(user_id: u.id)
+    Comment.where(author_id: old_user).update_all(author_id: u.id)
+    Message.where(author_id: old_user).update_all(author_id: u.id)
+    BlogComment.where(author_id: old_user).update_all(author_id: u.id)
+  end
 end