update

rollout/canary-history.yaml

@@ -168,6 +168,7 @@ rollout:
     app-homework:
     - 19-12-11 17:34:54:recombine-103-dcd60a0683-jiangxiao
     app-horn:
+    - 20-03-07 16:33:15:white-254-77595f4cf1-pangweichao
     - 20-02-22 22:00:46:master-248-f02f3924b4-pangweichao
     - 20-02-04 18:17:48:master-241-8945431020-pangweichao
     - 20-01-16 15:09:34:master-231-f796c3fb13-pangweichao