CppDev

Results 3 issues of CppDev

I think it's a better experience Because it doesn't break the layout of the current window

带 ! 的情况下不显示搜索结果 ![oAFSVb139t](https://user-images.githubusercontent.com/6241431/184271811-e832005c-400b-4245-85f7-8979c458e845.gif)

code, result = subprocess.getstatusoutput(cmd) CODE返回Invalid argument