updated oauth api

lib/weixin_authorize/api/oauth.rb

@@ -25,12 +25,12 @@ module WeixinAuthorize
 
       # refresh_token: 填写通过access_token获取到的refresh_token参数
       def refresh_oauth2_token(refresh_token)
-        WeixinAuthorize.http_get_without_token("/sns/oauth2/refresh_token?appid=#{app_id}&grant_type=refresh_token&refresh_token=#{refresh_token}")
+        WeixinAuthorize.http_get_without_token("/sns/oauth2/refresh_token?appid=#{app_id}&grant_type=refresh_token&refresh_token=#{refresh_token}", {}, "api")
       end
 
       # 如果网页授权作用域为snsapi_userinfo，则此时开发者可以通过access_token和openid拉取用户信息了。
       def get_oauth_userinfo(openid, oauth_token, lang="zh_CN")
-        WeixinAuthorize.http_get_without_token("/sns/userinfo?access_token=#{oauth_token}&openid=#{openid}&lang=#{lang}")
+        WeixinAuthorize.http_get_without_token("/sns/userinfo?access_token=#{oauth_token}&openid=#{openid}&lang=#{lang}", {}, "api")
       end
 
       private