给命令行加颜色和优化脚本

[mobeicanyue]

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[mobeicanyue]

installer/install.sh

Line 320 in f47c74e

for b in {1..30}

这行这个 b 变量有什么用呢，没看出来

[mobeicanyue]

命令行加了颜色，还有根据 vscode shell 插件，对报警告的地方优化了一下
比如： $()变量使用 双引号，命令加 $()

[wanghe-fit2cloud]

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