Flutter开发：运行flutter upgrade命令报错Exception：Flutter failed to create a directory at…解决方法_throwtoolexit (package:flutter_tools/src/base/comm

前言

在Flutter开发中，经常会遇到因为更新而引起的报错，而且最近两年Flutter不断完善和更新的速度越来越快，这就需要Flutter相关的开发者时刻保持不断学习的心态，来应对在Flutter开发中遇到的各种突发情况。本篇博文就来分享一下关于Flutter开发中执行flutter upgrade命令之后报错Exception：Flutter failed to create a directory at…的解决方法，方便后期查阅使用。

报错提示

在终端中运行flutter upgrade命令之后，提示如下报错信息：

adminBook-Pro ~ % flutter upgrade
 
Unhandled exception:
 
Exception: Flutter failed to create a directory at "/Users/admin/.config/
flutter". The flutter tool cannot access the file or directory.
 
Please ensure that the SDK and/or project is installed in a location that has
 
read/write permissions for the current user.
 
#0 throwToolExit (package:flutter_tools/src/base/common.dart:10:3)
 
#1 _throwFileSystemException (package:flutter_tools/src/base/
 
error_handling_io.dart:749:3)
 
#2 _handlePosixException (package:flutter_tools/src/base/
 
error_handling_io.dart:697:3)
 
#3 _runSync