小程序手机自带的 user-agent 长这样： User-Agent: Mozilla/5.0 (Linux; Android 12; 2206122SC Build/SKQ1.220303.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/86.0.4240.99 XWEB/4343 MMWEBSDK/20221011 Mobile Safari/537.36 MMWEBID/5638 MicroMessenger/8.0.30.2260(0x28001E3B) WeChat/arm64 Weixin NetType/WIFI Language/en ABI/arm64 MiniProgramEnv/android 长度超过 300，有个azure 的接口要求不得超过 255，见下面 https://learn.microsoft.com/zh-cn/azure/cognitive-services/speech-service/rest-text-to-speech?tabs=streaming wx.request 的自定义的都会给覆盖，怎么破；