diff --git a/lib/dingtalk/api/sns.rb b/lib/dingtalk/api/sns.rb
index dc51a73..394b4f6 100644
--- a/lib/dingtalk/api/sns.rb
+++ b/lib/dingtalk/api/sns.rb
@@ -38,7 +38,7 @@ module Dingtalk
       end
 
       def get_user_info_by_code(code)
-        http_post("getuserinfo_bycode", {tmp_auth_code: code})
+        http_post("getuserinfo_bycode?access_token=#{access_token}", {tmp_auth_code: code})
       end
 
       private
--
libgit2 0.21.0