频繁出现同一个access_token,参数一样,先后请求接口,出现失败之后继续成功的情况,详见下面日志,appid:wxcbf64694fb878ce7
02-24 18:17:22,898[][WeixinService:50][][INFO]-response:{"errcode":0,"errmsg":"ok"},392ms
02-24 18:17:49,714[][WeixinService:46][][INFO]-request:https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=42_pbGjgg6ODvqWP-1o84BbGWjbqp1Qzwa_2LzglX5i2_ZM-cPF7WYXePzTaH7qBND5xvTQuKTbgLauoZgz7z8grDuTeR7gyCRJGDhwz_uq9d2KUhuqAuFQ5cO5rZxBGnYHTLkQcAFCxdYYIrQ1YFGgAFAFMN, params:{"image":{"media_id":"viNdhzZZ-tQS1A2KpovuH9hJCw8iT5zE-TNXUHMzTynRAYlLPovrU6KXYyaZSf-U"},"msgtype":"image","touser":"ozBiL5FKQDCqt-I1idYVk2V0mSWE"}
02-24 18:17:50,067[][WeixinService:50][][INFO]-response:{"errcode":0,"errmsg":"ok"},352ms
02-24 18:17:53,567[][WeixinService:46][][INFO]-request:https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=42_pbGjgg6ODvqWP-1o84BbGWjbqp1Qzwa_2LzglX5i2_ZM-cPF7WYXePzTaH7qBND5xvTQuKTbgLauoZgz7z8grDuTeR7gyCRJGDhwz_uq9d2KUhuqAuFQ5cO5rZxBGnYHTLkQcAFCxdYYIrQ1YFGgAFAFMN, params:{"image":{"media_id":"viNdhzZZ-tQS1A2KpovuH9hJCw8iT5zE-TNXUHMzTynRAYlLPovrU6KXYyaZSf-U"},"msgtype":"image","touser":"ozBiL5FKQDCqt-I1idYVk2V0mSWE"}
02-24 18:17:53,906[][WeixinService:50][][INFO]-response:{"errcode":0,"errmsg":"ok"},339ms
02-24 18:17:56,750[][WeixinService:46][][INFO]-request:https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=42_pbGjgg6ODvqWP-1o84BbGWjbqp1Qzwa_2LzglX5i2_ZM-cPF7WYXePzTaH7qBND5xvTQuKTbgLauoZgz7z8grDuTeR7gyCRJGDhwz_uq9d2KUhuqAuFQ5cO5rZxBGnYHTLkQcAFCxdYYIrQ1YFGgAFAFMN, params:{"image":{"media_id":"viNdhzZZ-tQS1A2KpovuH9hJCw8iT5zE-TNXUHMzTynRAYlLPovrU6KXYyaZSf-U"},"msgtype":"image","touser":"ozBiL5FKQDCqt-I1idYVk2V0mSWE"}
02-24 18:17:56,903[][WeixinService:50][][INFO]-response:{"errcode":40001,"errmsg":"invalid credential, access_token is invalid or not latest rid: 603627d6-76825bbe-56943b2f"},153
02-24 18:19:19,177[][WeixinService:46][][INFO]-request:https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=42_pbGjgg6ODvqWP-1o84BbGWjbqp1Qzwa_2LzglX5i2_ZM-cPF7WYXePzTaH7qBND5xvTQuKTbgLauoZgz7z8grDuTeR7gyCRJGDhwz_uq9d2KUhuqAuFQ5cO5rZxBGnYHTLkQcAFCxdYYIrQ1YFGgAFAFMN, params:{"link":{"description":"一站式综合服务","thumb_url":"https://fw.hx168.com.cn/zhapp/appWeb/custfile/20210209/202102091612851443365.png","title":"点我打开华彩人生APP享受更多精彩服务","url":"https://fw.hx168.com.cn/zhapp/appWeb/api/static/download/index.html"},"msgtype":"link","touser":"ozBiL5FKQDCqt-I1idYVk2V0mSWE"}
02-24 18:19:19,634[][WeixinService:50][][INFO]-response:{"errcode":0,"errmsg":"ok"},457ms
请参考https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/customer-message/customerServiceMessage.send.html
errcode=40001,就是因为你不断的刷新access_token,调用时使用了旧的access_token。