Git 解决同步 No value for key branch.master.merge found in

[core]
    repositoryformatversion = 0
    filemode = false
    logallrefupdates = true
[remote "origin"]
    url = https://github.com/lyayzh/LYGit.git
    fetch = +refs/heads/*:refs/remotes/origin/*
[branch "master"]
        remote = origin
        merge = refs/heads/master[core][core]
    repositoryformatversion = 0
    filemode = false
    logallrefupdates = true
[remote "origin"]
    url = https://github.com/lyayzh/LYGit.git
    fetch = +refs/heads/*:refs/remotes/origin/*
[branch "master"]
        remote = origin
        merge = refs/heads/master[core]