update

rollout/canary-history.yaml

@@ -510,6 +510,7 @@ rollout:
     - 20-07-09 19:54:59:master-156-640796fac7-jiabin
     - 20-07-09 19:51:48:master-154-640796fac7-zhongzhihao
     app-schoolwork:
+    - 20-08-31 10:49:26:acm-change-217-5f06f1a8b5-jiangxiao
     - 20-08-20 10:28:47:master-214-5cfea48d64-jiangxiao
     - 20-07-10 16:21:31:exportShortUrl-213-62d0055af5-wuyilong
     - 20-05-25 17:53:51:exportShortUrl-208-62d0055af5-qianqinbo