update via git

README.md

@@ -76,14 +76,18 @@ def getsource(url):
 winget install --id Git.Git -e --source winget
 ## 或者官网下载
 https://git-scm.com/download/win
+# 在powershell中使用
+vim $PROFILE
+## 修改相应的位置为 GITPATH = ~/Git/cmd/git.exe
+## SetAlias git $GITPATH
 
 git init
-git add README.md
 git remote add origin https://bdgit.educoder.net/mf942lkca/milkSpider.git
 git pull https://bdgit.educoder.net/mf942lkca/milkSpider.git
 
-git add *.py
-git push -u origin master
+git commit -m "update"	# 先添加一个commit
+git add *.py	# 添加要push的本地内容到一个本地临时仓库
+git push -u origin master	# push, 出错就 -f(注意会造成不可回避的损失)
 ```
 
 ### selenium