修复重定向过多的bug

app/controllers/oauth_controller.rb

@@ -202,7 +202,11 @@ class OauthController < ApplicationController
 
     self.logged_user = openi.user if openi.present? && openi.user.present?
     original_url = params[:original_url]
-    redirect_to original_url
+    if current_user.logged?
+      redirect_to original_url
+    else
+      redirect_to signin_path
+    end
   end
 
   def get_token_callback