From f265b3154a071bc9cd6e19d831a8b47c6c4491d4 Mon Sep 17 00:00:00 2001
From: xxf098 <ufxmeng@gmail.com>
Date: Sun, 20 Nov 2022 21:51:38 -0500
Subject: [PATCH] check len

---
 web/server.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/web/server.go b/web/server.go
index 2b2807f..ceedd0a 100644
--- a/web/server.go
+++ b/web/server.go
@@ -148,7 +148,7 @@ func TestFromCMD(subscription string, configPath *string) error {
 		}
 	}
 	// check url
-	if subscription != options.Subscription {
+	if len(subscription) > 0 && subscription != options.Subscription {
 		if _, err := url.Parse(subscription); err == nil {
 			options.Subscription = subscription
 		} else if _, err := os.Stat(subscription); err == nil {