用 wx.getFileSystemManager().copyFile({ 读取文件失败}）？
用 wx.getFileSystemManager().copyFile({ 读取文件失败 报{errMsg: "copyFile:fail no such file or directory, copyFile "data.txt""} h @ VM3581 WAService.js:2 (anonymous) @ VM3581 WAService.js:2 v @ VM3581 WAService.js:2 (anonymous) @ VM3581 WAService.js:2 (anonymous) @ VM3579 asdebug.js:1 h @ VM3581 WAService.js:2 (anonymous) @ VM3581 WAService.js:2 (anonymous) @ VM3581 WAService.js:2 setTimeout (async) setTimeout @ VM3581 WAService.js:2 (anonymous) @ VM3579 asdebug.js:1 C @ VM3579 asdebug.js:1 (anonymous) @ VM3579 asdebug.js:1 f @ VM3579 asdebug.js:1 p @ VM3579 asdebug.js:1 (anonymous) @ VM3579 asdebug.js:1 _ws.onmessage @ VM3579 asdebug.js:1 VM3581 WAService.js:2 {errMsg: "readFile:fail http://usr/data.txt not found"}
