如何写好git commit log?

401f01ddcb6c4aacdd8ca827cc941da1_b

4c37012609fd447fef0c645654499d74_b

9f22f20d9f644e246d2252fc0c08b3f3_b

66efdf31e2d756bf3157d9cd71b0c321_b

bd6c935168915a563dece9424bfbbaad_b

好了,来个正经的。。。

git commit -m"`curl -s http://whatthecommit.com/index.txt`"随机生成commit message 23333333