def get_sns_token openid, persistent_code
      path = "/sns/get_sns_token?access_token=#{refreshed_access_token}"
      fire_request path, {openid: openid, persistent_code: persistent_code}
    end
def get_sns_token openid, persistent_code
      path = "/sns/get_sns_token?access_token=#{refreshed_access_token}"
      fire_request path, {openid: openid, persistent_code: persistent_code}
    end
Dingding response
 {
     "errcode": 0,
     "errmsg": "ok",
     "expires_in": 7200,
     "sns_token": "c76dsc87dsdfsdfd87csdcxxxxx"
 }