update

rollout/rc-history.yaml

@@ -3,6 +3,7 @@ rollout:
     app-business: ['19-12-04 11:29:38:master-1647-bb12aa6b08-yedahong', '19-12-02
         03:37:18:daily-1605-0d9defe9b2-yedahong']
     app-c-veteranzeus: ['19-12-03 10:44:47:zeus-referral-1236-3aa195e512-pangweichao']
+    app-content: ['19-12-04 13:44:21:v1.5.1-420-6a61962c71-qianqinbo']
     app-customer: ['19-12-04 11:45:36:master-289-cce954083c-yedahong', '19-12-03 10:19:50:referral-288-cce954083c-pangweichao']
     app-hogwarts: ['19-12-03 19:57:32:customer-360-300-6bb0ca41a4-lishaoqiang', '19-12-03
         18:08:51:healtheworld-2-299-c7b6516f51-lishaoqiang', '19-12-03 11:27:32:customer-360-298-6bb0ca41a4-lishaoqiang']