fix: polish the endpoint list graph (#155)

src/locales/lang/en.ts

@@ -152,6 +152,7 @@ const msg = {
   text: "Text",
   query: "Query",
   postgreSQL: "PostgreSQL",
+  endpointTips: "The table shows up to 20 pieces of endpoints.",
   seconds: "Seconds",
   hourTip: "Select Hour",
   minuteTip: "Select Minute",