diff --git a/main.go b/main.go
index 1ec1f7d..ecfdda9 100644
--- a/main.go
+++ b/main.go
@@ -33,7 +33,7 @@ var (
 	disableFuncSnippet   = flag.Bool("disable-func-snippet", false, "disable argument snippets on func completion. Can be overridden by InitializationOptions.")
 	enableGlobalCache    = flag.Bool("enable-global-cache", false, "enable global cache when hover, reference, definition. Can be overridden by InitializationOptions.")
 	formatStyle          = flag.String("format-style", "gofmt", "which format style is used to format documents. Supported: gofmt and goimports. Can be overridden by InitializationOptions.")
-	golistDuration       = flag.Int("golist-duration", 0, "the interval of refresh the go list cache, unit: second, 0 means that does not use go list cache. Can be overridden by InitializationOptions.")
+	golistDuration       = flag.Int("golist-duration", 30, "the interval of refresh the go list cache, unit: second, 0 means that does not use go list cache. Can be overridden by InitializationOptions.")
 	enhanceSignatureHelp = flag.Bool("enhance-signature-help", false, "enhance signature help with return result. Can be overridden by InitializationOptions.")
 )