用VIM打开任何一个文件时，总会出现如下错误信息提示：
Unable to open swap file for “[Filename]”, recovery impossible，balabala在网络上搜索之后发现是错误303，
:help E303 输出相关信息如下： Unable to open swap file for “{filename}”, recovery impossible Vim was not able to create a swap file. You can still edit the file, but if Vim unexpected exits the changes will be lost. And Vim may consume a lot of memory when editing a big file. You may want to change the ‘directory’ option to avoid this error. See |swap-file|.继续在命令行模式下执行： :set directory? 输出相关信息如下： directory=~/tmp 问题原来如此，在~/目录下没有tmp目录
mkdir ~/tmp
重试错误提示信息即可消失~
