Should be a final ulitmate fix for request timeout issue (#4045)

* Try to fix timeout again

* Ops

db/patch-timeout.sql

@@ -0,0 +1,7 @@
+-- You should not modify if this have pushed to Github, unless it does serious wrong with the db.
+BEGIN TRANSACTION;
+
+UPDATE monitor SET timeout = (interval * 0.8)
+WHERE timeout IS NULL OR timeout <= 0;
+
+COMMIT;