update

rollout/canary-history.yaml

@@ -420,6 +420,7 @@ rollout:
     - 20-01-16 11:36:10:tangram-0.0.3-1571-3c2fbccfab-pangweichao
     - 19-12-04 12:08:47:tangram-0.0.3-1246-e4980e63b4-yedahong
     web-ssr:
+    - 20-03-20 20:47:23:gray-255-b5f0497137-zhujian
     - 20-03-20 17:24:49:gray-252-b28b06e75d-zhujian
     - 20-03-20 11:05:35:tag-251-314f827fe0-zhujian
     - 20-03-17 18:29:25:v5.0-update-233-c37ca6278d-zhoupeng