将 /u 转变为 utf-8 编码
PHP实例:
$result = {"errno":-1,"message":"u8bbfu95eeu5faeu4fe1u63a5u53e3u9519u8bef, u9519u8befu4ee3u7801: 40037, u9519u8befu4fe1u606f: invalid template_id hint: [vYrFbA02174124],u4fe1u606fu8be6u60c5uff1au672au77e5u9519u8bef"}
json_encode($result, JSON_UNESCAPED_UNICODE)