update

rollout/canary-history.yaml

@@ -142,6 +142,8 @@ rollout:
     - 20-01-08 10:54:53:master-55-64bf65a4a7-wuyilong
     app-eagle:
     - 20-01-15 16:58:37:master-207-c40be106d2-huangyongkang
+    app-engine:
+    - 20-04-02 14:31:17:master-41-d03c768fad-pangweichao
     app-exercisebook:
     - 20-03-27 10:42:43:master-174-6e00e7e017-jiabin
     - 20-03-25 15:23:23:master-170-0be6df1e43-jiabin