场景：在分支feature_A 切换到分支feature_B后，在分支feature_B上使用git pull ，出现如下报错.

错误描述：

error: Your local changes to the following files would be overwritten by merge:

Please commit your changes or stash them before you merge.

error: The following untracked working tree files would be overwritten by merge:

Please move or remove them before you merge.

Aborting
Updating 5fa2f5a..0a8456f