diff --git a/app/controllers/sso_controller.rb b/app/controllers/sso_controller.rb
index 23da4678f..73982ae9c 100644
--- a/app/controllers/sso_controller.rb
+++ b/app/controllers/sso_controller.rb
@@ -34,7 +34,7 @@ class SsoController < ApplicationController
     pkey = OpenSSL::PKey::RSA.new(File.new(File.join(Rails.root,"config/private.key")))
     content = pkey.private_decrypt(crypted_str,OpenSSL::PKey::RSA::PKCS1_PADDING)
     # content = pkey.private_decrypt(crypted_str)
-    JSON.parser(content)
+    ActiveSupport::JSON.decode(content)
   end
 
   def login(id)