update

rollout/rc-history.yaml

@@ -508,6 +508,7 @@ rollout:
     - 20-05-13 14:21:51:v0.1-64-3ea8c6460a-zhongzhihao
     - 20-04-13 21:53:36:master-35-2bbccb41f5-zhongzhihao
     app-schoolwork:
+    - 20-06-28 21:07:37:rc-210-5cfea48d64-qqb
     - 20-03-06 17:53:40:v1.5.1-206-b924771736-qianqinbo
     - 20-01-07 13:40:11:v1.5.1-206-b924771736-qianqinbo
     - 19-12-04 13:43:39:v1.5.1-206-b924771736-qianqinbo