diff --git a/app/api/mobile/apis/new_comment.rb b/app/api/mobile/apis/new_comment.rb
index 2c5ab7754..63d476601 100644
--- a/app/api/mobile/apis/new_comment.rb
+++ b/app/api/mobile/apis/new_comment.rb
@@ -26,7 +26,14 @@ module Mobile
 
             login = openid[0..10]+openid[openid_length-3..openid_length-1]
 
-            name = openid[0..3]+"***"+openid.last
+            access_token = session[:access_token]
+
+            if access_token
+              userinfo = wechat.web_userinfo(access_token,openid)
+              name = userinfo[:nickname]
+            else
+              name = openid[0..3]+"***"+openid.last
+            end
 
             user = us.register ({:login=>login, :mail=>login+"@163.com",
                                  :password=>"12345678", :password_confirmation=>"12345678",
diff --git a/app/api/mobile/apis/users.rb b/app/api/mobile/apis/users.rb
index 19cce07e7..30e4cc1f9 100644
--- a/app/api/mobile/apis/users.rb
+++ b/app/api/mobile/apis/users.rb
@@ -67,7 +67,6 @@ module Mobile
             user[:password] = params[:password]
             user[:password_confirmation] = params[:password]
             user[:should_confirmation_password] = true
-            user[:lastname]=""
             user.save!
           else
             us = UsersService.new
diff --git a/app/controllers/wechats_controller.rb b/app/controllers/wechats_controller.rb
index 75ac7aba5..e1fa7dcc2 100644
--- a/app/controllers/wechats_controller.rb
+++ b/app/controllers/wechats_controller.rb
@@ -445,6 +445,10 @@ class WechatsController < ActionController::Base
       unless openid
         if code
           openid = wechat.web_access_token(code)["openid"]
+          access_token = wechat.web_access_token(code)["access_token"]
+          if access_token
+            session[:access_token] = access_token
+          end
         end
       end
 
diff --git a/lib/wechat/lib/wechat/api.rb b/lib/wechat/lib/wechat/api.rb
index 5cb457b9f..f1255939a 100644
--- a/lib/wechat/lib/wechat/api.rb
+++ b/lib/wechat/lib/wechat/api.rb
@@ -120,5 +120,14 @@ module Wechat
       }
       get 'access_token', params: params, base: OAUTH2_BASE
     end
+
+    def web_userinfo(access_token,openid)
+      params = {
+          access_token: access_token,
+          openid: openid,
+          lang: "zh_CN"
+      }
+      get 'user_info', params: params, base: OAUTH2_BASE
+    end
   end
 end
diff --git a/public/javascripts/wechat/others/factory.js b/public/javascripts/wechat/others/factory.js
index f0d48dda9..19acf39c9 100644
--- a/public/javascripts/wechat/others/factory.js
+++ b/public/javascripts/wechat/others/factory.js
@@ -268,12 +268,12 @@ app.factory('common', ['$http', 'auth', '$routeParams','rms','config','wx','$loc
                     var urlName = response.data.type_name + "_discussion";
                     link = "https://open.weixin.qq.com/connect/oauth2/authorize?appid="+window.g_appid +
                         "&redirect_uri="+window.g_localhost+"/wechat/user_activities?id="+response.data.data.act_id+
-                        "&response_type=code&scope=snsapi_base&state="+urlName+"&connect_redirect=1#wechat_redirect";
+                        "&response_type=code&scope=snsapi_userinfo&state="+urlName+"&connect_redirect=1#wechat_redirect";
                 }
                 else{
                     link = "https://open.weixin.qq.com/connect/oauth2/authorize?appid="+window.g_appid +
                         "&redirect_uri="+window.g_localhost+"/wechat/user_activities?id="+response.data.data.act_id+
-                        "&response_type=code&scope=snsapi_base&state="+args.urlName+"&connect_redirect=1#wechat_redirect";
+                        "&response_type=code&scope=snsapi_userinfo&state="+args.urlName+"&connect_redirect=1#wechat_redirect";
                 }
 
                 console.log("link= "+link);