No tracked branch configured for branch branch_850_label in ECloud_Android or the branch doesn't exist. To make your branch track a remote branch call, for example,
解决办法：
按照提示在Androidstudio的Terminal中输入git branch --set-upstream-to origin即可；
来源：CSDN
作者：华灯雨
链接：https://blog.csdn.net/qq_31545245/article/details/103489340