git报错fatal: remote origin already exists.

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执行git remote add origin https://github.com/LittleLawson/HttpClientExample.git出现fatal: remote origin already exists.

1. 报错信息

Administrator@ICOS-20180710CX MINGW64 /e/intellij_Project/MyScala (master)
$ git remote add origin https://github.com/LittleLawson/HttpClientExample.git
fatal: remote origin already exists.

2. 原因

为什么会报这个错呢？【待补充】

3. 解决办法

• 删除远端库

Administrator@ICOS-20180710CX MINGW64 /e/intellij_Project/MyScala (master)
$ git remote rm origin

Administrator@ICOS-20180710CX MINGW64 /e/intellij_Project/MyScala (master)
$ git remote add origin https://github.com/LittleLawson/HttpClientExample.git

Administrator@ICOS-20180710CX MINGW64 /e/intellij_Project/MyScala (master)
$ git remote rm origin

Administrator@ICOS-20180710CX MINGW64 /e/intellij_Project/MyScala (master)
$ git remote add origin https://github.com/LittleLawson/DayProgram.git

Administrator@ICOS-20180710CX MINGW64 /e/intellij_Project/MyScala (master)
$ git push -u origin master