update

rollout/dev-history.yaml

@@ -234,6 +234,7 @@ rollout:
     - 20-02-20 16:33:37:public-homework-clock-limit-120-aeea925397-jiangxiao
     - 20-02-17 15:35:00:sms-recombine-118-42610a1584-jiangxiao
     app-horn:
+    - 20-03-07 16:32:56:white-254-77595f4cf1-pangweichao
     - 20-03-03 18:21:44:white-252-96929bbbe6-pangweichao
     - 20-03-03 10:15:32:white-251-cae7d7070e-zhongzhihao
     - 20-02-25 14:39:07:master-250-796962c978-pangweichao