在SourceTree的配置目錄新建(或修改)accounts.json為如下內容。配置目錄一般位於：C:\Users\Administrator\AppData\Local\Atlassian\SourceTree，該目錄需先啟動一次SourceTree才會被生成（一般安裝完SourceTree後，執行下，提示登入時就可以退出了，此時配置目錄已經被生成）！

accounts.json:

[
  {
    "$id": "1",
    "$type": "SourceTree.Api.Host.Identity.Model.IdentityAccount, SourceTree.Api.Host.Identity"
 
,
    "Authenticate": true,
    "HostInstance": {
      "$id": "2",
      "$type": "SourceTree.Host.Atlassianaccount.AtlassianAccountInstance, SourceTree.Host.AtlassianAccount",
      "Host": {
        "$id": "3",
        "$type": "SourceTree.Host.Atlassianaccount.AtlassianAccountHost, SourceTree.Host.AtlassianAccount"
 
,
        "Id": "atlassian account"
      },
      "BaseUrl": "https://id.atlassian.com/"
    },
    "Credentials": {
      "$id": "4",
      "$type": "SourceTree.Model.BasicAuthCredentials, SourceTree.Api.Account",
      "Username": "",
      "Email": null
    },
    "IsDefault": false
  }
]