diff --git a/PCL.Core/App/Configuration/Storage/FileConfigStorage.cs b/PCL.Core/App/Configuration/Storage/FileConfigStorage.cs
index 07c166534..5ab55d1e9 100644
--- a/PCL.Core/App/Configuration/Storage/FileConfigStorage.cs
+++ b/PCL.Core/App/Configuration/Storage/FileConfigStorage.cs
@@ -1,7 +1,9 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
+using System.IO;
 using System.Runtime.CompilerServices;
+using System.Text.Json;
 using System.Threading;
 using System.Threading.Channels;
 using System.Threading.Tasks;
@@ -101,7 +103,34 @@ protected override bool OnAccess<TKey, TValue>(
         {
             case StorageAction.Get:
                 if (!File.Exists(strKey)) return false;
-                value = File.Get<TValue>(strKey);
+                try
+                {
+                    value = File.Get<TValue>(strKey);
+                }
+                catch (Exception ex) when (ex is JsonException
+                                               or InvalidCastException
+                                               or FormatException
+                                               or OverflowException
+                                               or ArgumentException
+                                               or KeyNotFoundException
+                                               or InvalidDataException)
+                {
+                    LogWrapper.Warn(ex, "Config", $"配置项 {strKey} 读取失败（可能已损坏），重置为默认值");
+                    if (!_writeActionChannel.Writer.TryWrite((strKey, () => File.Remove(strKey))))
+                    {
+                        LogWrapper.Warn("Config", $"配置项 {strKey} 清理任务入队失败，改为同步删除");
+                        try
+                        {
+                            File.Remove(strKey);
+                            File.Sync();
+                        }
+                        catch (Exception cleanupEx)
+                        {
+                            LogWrapper.Error(cleanupEx, "Config", $"配置项 {strKey} 同步删除失败，可能需人工处理");
+                        }
+                    }
+                    return false;
+                }
                 return true;
             case StorageAction.Exists:
                 // 由于 Exists 的 value 类型一定是 bool，此处可 unsafe 直接赋值
diff --git a/PCL.Core/App/Configuration/Storage/JsonFileProvider.cs b/PCL.Core/App/Configuration/Storage/JsonFileProvider.cs
index 590108d77..43881a411 100644
--- a/PCL.Core/App/Configuration/Storage/JsonFileProvider.cs
+++ b/PCL.Core/App/Configuration/Storage/JsonFileProvider.cs
@@ -79,7 +79,7 @@ public override T Get<T>(string key)
             Set(key, fallback);
             return fallback;
         }
-        Exception GetNullException() => new NullReferenceException($"Deserialized value is null: '{key}'");
+        Exception GetNullException() => new InvalidDataException($"Deserialized value is null: '{key}'");
     }
 
     public override void Set<T>(string key, T value)