From 590bf20204a969d595ecfa88556bbbd9a45c3c03 Mon Sep 17 00:00:00 2001
From: Jack251970 <1160210343@qq.com>
Date: Fri, 27 Feb 2026 18:53:30 +0800
Subject: [PATCH] Add null check for plugin metadata deserialization

Throw a JsonException if deserializing plugin metadata from JSON returns null. This prevents null metadata from being used and improves error handling for invalid or corrupted plugin.json files.
---
 Flow.Launcher.Core/Plugin/PluginManager.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Flow.Launcher.Core/Plugin/PluginManager.cs b/Flow.Launcher.Core/Plugin/PluginManager.cs
index f78b59360..36c63ab93 100644
--- a/Flow.Launcher.Core/Plugin/PluginManager.cs
+++ b/Flow.Launcher.Core/Plugin/PluginManager.cs
@@ -899,7 +899,8 @@ namespace Flow.Launcher.Core.Plugin
             PluginMetadata newMetadata;
             try
             {
-                newMetadata = JsonSerializer.Deserialize<PluginMetadata>(File.ReadAllText(metadataJsonFilePath));
+                newMetadata = JsonSerializer.Deserialize<PluginMetadata>(File.ReadAllText(metadataJsonFilePath)) ??
+                    throw new JsonException("Deserialized metadata is null");
             }
             catch (Exception ex)
             {