微信公衆平臺40001錯誤 invalid credential, access_token is invalid or not latest hint

網站微信公衆平臺總是報錯 {"errcode":40001,"errmsg":"invalid credential, access_token is invalid or not latest hint: [70D7Ma0416vr70!]"}  ，應該是access_token過時了，但直接用瀏覽器訪問$url="https://api.weixin.qq.com/cgi-bin/token?

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