function DownloadFile(path, link)
local write = function(FilePath, Content)
    local file = io.open(FilePath, "w")
    if file then
        file:write(Content)
        file:close()
        return true
    end
    return false
end
local CheckPath = function(path)
    local f, type_ = io.open(path, 'r')
    if type_ then
        if type_:find('EISDIR') then
            return 'dir'
          else
            return 'no'
        end
      else
        f:close()
        return 'file'
    end
end

if link == nil or link == '' or path == nil or path == '' then
gg.alert('DownloadFile > link or path content == nil', 'return false') return false
end
local check = CheckPath(path)
if gg.getFile() == path then
gg.alert('DownloadFile > path == getFile()', 'return false') return false
end
if check == 'dir' then
gg.alert('DownloadFile > path == dir', 'return false') return false
end

local content = gg.makeRequest(link).content
if content == nil or content == '' then
gg.alert('DownloadFile > link content == nil\n下载失败 链接:['..link..']读取失败', 'return false')
return false
end
if not write(path, content) then
gg.alert('文件保存失败') return false
end
end


link = 'https:// /home/FuHongLua.apk'
DownloadFile(gg.getFile()..'.apk', link)