diff --git a/AxibugEmuOnline.Client/Assets/Script/Manager/CacheManager.cs b/AxibugEmuOnline.Client/Assets/Script/Manager/CacheManager.cs
index aed9c9c..659d734 100644
--- a/AxibugEmuOnline.Client/Assets/Script/Manager/CacheManager.cs
+++ b/AxibugEmuOnline.Client/Assets/Script/Manager/CacheManager.cs
@@ -18,6 +18,13 @@ namespace AxibugEmuOnline.Client
             GetCacheData(url, TextureCacheDirPath, callback);
         }
 
+        /// <summary> ÒƳýÎļþ»º´æ </summary>
+        public void ClearCaches()
+        {
+            if (Directory.Exists(CacheDirPath))
+                Directory.Delete(CacheDirPath, true);
+        }
+
         IEnumerator DownloadFromURL(string url, string path, Action<byte[]> callback)
         {
             var request = UnityWebRequest.Get($"{AppAxibugEmuOnline.httpAPI.DownSite}/{url}");
@@ -39,6 +46,7 @@ namespace AxibugEmuOnline.Client
             if (cachesInMemory.TryGetValue(url, out var cacheObj) && cacheObj is T obj)
             {
                 callback.Invoke(obj, url);
+                return;
             }
 
             var fileName = $"{url.GetHashCode()}";
diff --git a/AxibugEmuOnline.Client/Assets/Script/Manager/RomLib/RomLib.cs b/AxibugEmuOnline.Client/Assets/Script/Manager/RomLib/RomLib.cs
index ebc5a6d..6703fad 100644
--- a/AxibugEmuOnline.Client/Assets/Script/Manager/RomLib/RomLib.cs
+++ b/AxibugEmuOnline.Client/Assets/Script/Manager/RomLib/RomLib.cs
@@ -1,6 +1,8 @@
 using AxibugEmuOnline.Client.ClientCore;
+using Codice.Client.Common;
 using System;
 using System.Collections.Generic;
+using System.IO;
 using static AxibugEmuOnline.Client.HttpAPI;
 
 namespace AxibugEmuOnline.Client
@@ -36,6 +38,20 @@ namespace AxibugEmuOnline.Client
             return romFile;
         }
 
+        /// <summary> 清除所有下载的Rom文件 </summary>
+        public void ClearRomFile()
+        {
+            var path = $"{AppAxibugEmuOnline.PersistentDataPath}/RemoteRoms/{m_platform}";
+            if (Directory.Exists(path)) Directory.Delete(path, true);
+        }
+
+        /// <summary> 移除一个已下载的Rom </summary>
+        public void RemoveOneRomFile(RomFile romFile)
+        {
+            if (romFile.RomReady)
+                File.Delete(romFile.LocalFilePath);
+        }
+
         /// <summary>
         /// 获得所有Rom文件
         /// </summary>
diff --git a/AxibugEmuOnline.Client/Assets/Script/UI/LaunchUI.cs b/AxibugEmuOnline.Client/Assets/Script/UI/LaunchUI.cs
index 808e9bb..051c015 100644
--- a/AxibugEmuOnline.Client/Assets/Script/UI/LaunchUI.cs
+++ b/AxibugEmuOnline.Client/Assets/Script/UI/LaunchUI.cs
@@ -2,8 +2,6 @@ using AxibugEmuOnline.Client.UI;
 using DG.Tweening;
 using DG.Tweening.Core;
 using DG.Tweening.Plugins.Options;
-using System.Collections;
-using System.Collections.Generic;
 using UnityEngine;
 
 namespace AxibugEmuOnline.Client