diff --git a/app/api/mobile/apis/new_comment.rb b/app/api/mobile/apis/new_comment.rb
index b8337451f..7a703bbc8 100644
--- a/app/api/mobile/apis/new_comment.rb
+++ b/app/api/mobile/apis/new_comment.rb
@@ -23,22 +23,8 @@ module Mobile
             refresh_token = session[:refresh_token]
 						
 						if access_token.present? && refresh_token.present?
-              begin
-							  refreshinfo = Wechat.api.web_refresh_access_token(refresh_token)
-              rescue
-                info = wechat.web_access_token(session[:wechat_code])
-                openid =info["openid"]
-                access_token =info["access_token"]
-                if access_token
-                  session[:access_token] = access_token
-                end
-                refresh_token = info["refresh_token"]
-                if refresh_token
-                  session[:refresh_token] = refresh_token
-                end
-                refreshinfo = Wechat.api.web_refresh_access_token(refresh_token)
-              end
-							
+							refreshinfo = Wechat.api.web_refresh_access_token(refresh_token)
+
 							access_token = refreshinfo["access_token"]
 							refresh_token = refreshinfo["refresh_token"]
 							session[:access_token] = access_token
diff --git a/app/controllers/wechats_controller.rb b/app/controllers/wechats_controller.rb
index 3e81d491b..99ec193b0 100644
--- a/app/controllers/wechats_controller.rb
+++ b/app/controllers/wechats_controller.rb
@@ -470,7 +470,7 @@ class WechatsController < ActionController::Base
 
     def user_binded?(openid)
       uw = UserWechat.where(openid: openid).first
-      if uw.bindtype == 0
+      if uw && uw.bindtype == 0
         uw
       else
         nil