微信云托管调用接口全部报{ errcode: -1, errmsg: 'Timeout while 

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(node:28) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 6938)

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at processTicksAndRejections (internal/process/task_queues.js:95:5)

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at runMicrotasks ()

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at getUrl (/usr/src/app/common/wx_common.js:549:25)

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at /usr/src/app/routes/wx-mp/wxMpController.js:45:13

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at ServerResponse.json (/usr/src/app/node_modules/express/lib/response.js:267:15)

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at ServerResponse.send (/usr/src/app/node_modules/express/lib/response.js:170:12)

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at ServerResponse.header (/usr/src/app/node_modules/express/lib/response.js:767:10)

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at ServerResponse.setHeader (_http_outgoing.js:561:11)

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at new NodeError (internal/errors.js:322:7)

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(node:28) UnhandledPromiseRejectionWarning: Error [ERR_HTTP_HEADERS_SENT]: Cannot set headers after they are sent to the client

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{ errcode: -1, errmsg: 'Timeout while waiting for response' } result qrcode

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网络请求错误 Timeout while waiting for response

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返回结果： Timeout while waiting for response

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