# Functions
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从程序所在目录逐层往上找直到找到注意：go run的执行文件在临时目录，一般是(/var/folders/)，这种方法是找不到的.
可以在执行go run的时候直接把当前目录当参数传进来，然后在此基础上查找.
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通用recover函数，在单独协程的最开始使用defer调用.
# Constants
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skeleton conf.
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最大长度为1M.
server conf.
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# Variables
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# Structs
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