function writeData hanle leak on windows 函数writeData 在windows上存在写入句柄泄露

[itas109]

Describe the bug
function writeData hanle leak on windows
函数writeData 在windows上存在写入句柄泄露

To Reproduce
open taskmgr.exe -> details -> handle
call function writeData once, the process's handle +1 on taskmgr
打开任务管理器 -> 详细信息 -> 句柄
调用一次writeData 函数，任务管理器中进程对应的句柄数会+1

Expected behavior
call function writeData once, the process's handle +1，and then -1 when write finished。
调用writeData 函数，进程句柄数+1，写入完成后句柄数 -1

Screenshots
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Desktop (please complete the following information):

• OS: Win10 64bit
• Compiler: VS2019
• Version: 4.x