git删除暂存区的内容，删除phpstorm产生的.idea文件夹

删掉以后，

在项目根目录下新建一个.gitignore文件

 

# phpstorm project files
.idea

# netbeans project files
nbproject

# zend studio for eclipse project files
.buildpath
.project
.settings

# windows thumbnail cache
Thumbs.db

# composer vendor dir
/vendor

# composer itself is not needed
composer.phar

# Mac DS_Store Files
.DS_Store

# phpunit itself is not needed
phpunit.phar
# local phpunit config
/phpunit.xml