git拒绝提交merge内容

git拒绝了提交：

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dr@drBox:~/adtv/adtv$ git push origin master
Counting objects: 110, done.
Delta compression using up to 2 threads.
Compressing objects: 100% (59/59), done.
Writing objects: 100% (77/77), 14.61 KiB, done.
Total 77 (delta 38), reused 0 (delta 0)
remote: Resolving deltas:?? 5% (2/38)
To ssh://dingran@192.168.11.178:29418/adtv.git
?! [remote rejected] master -> master (you are not allowed to upload merges)
error: failed to push some refs to 'ssh://dingran@192.168.11.178:29418/adtv.git'
dr@drBox:~/adtv/adtv$ git branch

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原因是我这个分支里面存在merge的内容，即有个节点是merge的。所以服务器拒绝了。

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