update

rollout/dev-history.yaml

@@ -5,6 +5,7 @@ rollout:
     app-content: ['19-12-02 03:32:43:v1.5.1-418-28acfbb9d3-qianqinbo']
     app-form: ['19-12-02 03:37:11:master-23-c050cd07c7-jiabin']
     app-forum: ['19-12-02 13:39:43:master-66-d709fdb14e-yangpeifeng']
+    app-horn: ['19-12-02 13:57:31:daily-135-6adaa2ad20-jiangxiao']
     app-manage: ['19-12-02 13:57:26:daily-506-9839101506-wangboda', '19-12-02 13:53:03:daily-505-9839101506-chengyubing',
       '19-12-02 03:19:19:daily-504-f271621f1d-chengyubing']
     app-zeus: ['19-12-02 13:38:15:master-218-02ea4502a6-yangpeifeng']