let privateKey = fs.readFileSync('./apiclient_key.pem').toString('ascii'); 云函数里，本地调试没有任何问题，上传后远端调试就报下面的错，我到服务端看文件都传上去了啊，应该是上面这句读取私钥文件报错 Error: EACCES: permission denied, open './apiclient_key.pem' at Object.fs.openSync (fs.js:646:18) at Object.fs.readFileSync (fs.js:551:33) at app.router (/var/user/index.js:505:27) at dispatch (/var/user/node_modules/tcb-router/src/index.js:167:40) at /var/user/node_modules/tcb-router/src/index.js:142:16 at Promise (/var/user/node_modules/tcb-router/src/index.js:106:17) at new Promise (<anonymous>) at TcbRouter.serve (/var/user/node_modules/tcb-router/src/index.js:105:20) at EventHandler.exports.main [as realHandler] (/var/user/index.js:529:14) at EventHandler.handle (/var/runtime/node8/bootstrap.js:402:28) at invoke (/var/runtime/node8/bootstrap.js:205:22) at Timeout.setTimeout [as _onTimeout] (/var/runtime/node8/bootstrap.js:137:9) at ontimeout (timers.js:475:11) at tryOnTimeout (timers.js:310:5) at Timer.listOnTimeout (timers.js:270:5)

我用的是macbook开发需要调试网页，但是一直找不到输入网址的地方在哪里