1, first of all to find the address of the corresponding Git repository
2, found in webstorm vcs click into it, you can see checked out from the repository, click into git.
3, when clicked, pops up a window, enter the address of the library above, the following is the file in place, you can click on cloning.
4, you can create a branch in the lower right corner webstorm.
Note: enter the account password prompt will appear in this process, you can fill in the prompts.