From a3a0c59fa3e2c3372a7c08f51d522a4a6e49149e Mon Sep 17 00:00:00 2001
From: Jack251970 <1160210343@qq.com>
Date: Sun, 29 Jun 2025 16:29:45 +0800
Subject: [PATCH] Check url nullability

---
 Flow.Launcher/Helper/PluginInstallationHelper.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Flow.Launcher/Helper/PluginInstallationHelper.cs b/Flow.Launcher/Helper/PluginInstallationHelper.cs
index 0d3d2df67..0e94566b8 100644
--- a/Flow.Launcher/Helper/PluginInstallationHelper.cs
+++ b/Flow.Launcher/Helper/PluginInstallationHelper.cs
@@ -259,6 +259,9 @@ public static class PluginInstallationHelper
 
     private static bool InstallSourceKnown(string url)
     {
+        if (string.IsNullOrEmpty(url))
+            return false;
+
         var pieces = url.Split('/');
 
         if (pieces.Length < 4)