diff --git a/keyBoard/Class/Home/VC/FunctionTest/KBSkinCenterVC.m b/keyBoard/Class/Home/VC/FunctionTest/KBSkinCenterVC.m
index 05eaca4..c13a7b0 100644
--- a/keyBoard/Class/Home/VC/FunctionTest/KBSkinCenterVC.m
+++ b/keyBoard/Class/Home/VC/FunctionTest/KBSkinCenterVC.m
@@ -37,6 +37,7 @@
 @interface KBSkinCenterVC () <UITableViewDelegate, UITableViewDataSource>
 @property (nonatomic, strong) UITableView *tableView;
 @property (nonatomic, copy) NSArray<NSDictionary *> *skins; // 每个元素即一套皮肤的 JSON（与后端约定格式一致）
+@property (nonatomic, strong) UIButton *resetButton;
 @end
 
 @implementation KBSkinCenterVC
@@ -146,7 +147,7 @@
     self.skins = @[
         @{
             @"id":   @"local001",
-            @"name": @"本地001皮肤",
+            @"name": KBLocalized(@"本地001皮肤"),
             // 关键：zip_url 写成 bundle:// 前缀 + 文件名
             @"zip_url": @"bundle://001.zip",
 
@@ -164,6 +165,30 @@
     self.tableView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
     self.tableView.delegate = self; self.tableView.dataSource = self;
     [self.view addSubview:self.tableView];
+
+    // 底部添加“恢复默认皮肤”测试按钮
+    UIButton *reset = [UIButton buttonWithType:UIButtonTypeSystem];
+    [reset setTitle:KBLocalized(@"恢复默认皮肤") forState:UIControlStateNormal];
+    reset.titleLabel.font = [UIFont systemFontOfSize:15 weight:UIFontWeightMedium];
+    reset.layer.cornerRadius = 8.0;
+    reset.layer.borderWidth = 1.0;
+    reset.layer.borderColor = [UIColor colorWithWhite:0.85 alpha:1.0].CGColor;
+    [reset addTarget:self action:@selector(onResetDefault:) forControlEvents:UIControlEventTouchUpInside];
+    [self.view addSubview:reset];
+    self.resetButton = reset;
+
+    [reset mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.left.equalTo(self.view).offset(16);
+        make.right.equalTo(self.view).offset(-16);
+        make.bottom.equalTo(self.view.mas_safeAreaLayoutGuideBottom).offset(-16);
+        make.height.mas_equalTo(44);
+    }];
+
+    // 让 tableView 的内容区域避免被按钮遮挡
+    UIEdgeInsets inset = self.tableView.contentInset;
+    inset.bottom += 44 + 24; // 按钮高度 + 上下间距
+    self.tableView.contentInset = inset;
+    self.tableView.scrollIndicatorInsets = inset;
 }
 
 #pragma mark - UITableView
@@ -188,11 +213,18 @@
     if (idx < 0 || idx >= self.skins.count) return;
     NSDictionary *skin = self.skins[idx];
     if (!skin) return;
-    // 默认按远程 Zip 模式测试；如需本地 bundle，请改为 KBSkinSourceModeLocalBundleZip。
     [[KBSkinService shared] applySkinWithJSON:skin
                             fromViewController:self
                                           mode:KBSkinSourceModeLocalBundleZip
                                      completion:nil];
 }
 
+- (void)onResetDefault:(UIButton *)sender {
+    // 不需要皮肤 JSON，传空字典即可
+    [[KBSkinService shared] applySkinWithJSON:@{}
+                            fromViewController:self
+                                          mode:KBSkinSourceModeResetToDefault
+                                     completion:nil];
+}
+
 @end
diff --git a/keyBoard/Class/Manager/KBSkinService.h b/keyBoard/Class/Manager/KBSkinService.h
index cef0f49..c452058 100644
--- a/keyBoard/Class/Manager/KBSkinService.h
+++ b/keyBoard/Class/Manager/KBSkinService.h
@@ -20,6 +20,8 @@ typedef NS_ENUM(NSUInteger, KBSkinSourceMode) {
     KBSkinSourceModeRemoteZip = 0,
     /// 本地 bundle Zip：从主 App bundle 中读取 zip_url 指定的 zip 文件并解压到 App Group
     KBSkinSourceModeLocalBundleZip = 1,
+    /// 恢复到默认皮肤（忽略 skinJSON 中的资源字段）
+    KBSkinSourceModeResetToDefault = 2,
 };
 
 /// 皮肤下载与应用服务（仅主 App 使用）
@@ -31,7 +33,7 @@ typedef NS_ENUM(NSUInteger, KBSkinSourceMode) {
 ///
 /// @param skinJSON  与后端约定的皮肤结构（包含 id/name/background_image/hidden_keys/key_icons 等）
 /// @param presenting 用于弹出“键盘权限引导页”的控制器，可为 nil
-/// @param mode 资源来源模式：远程 / 本地 bundle
+/// @param mode 模式：远程 Zip、本地 bundle Zip，或恢复默认皮肤
 /// @param completion 应用完成回调（下载/写入全部结束后调用，success 表示是否成功）
 - (void)applySkinWithJSON:(NSDictionary *)skinJSON
          fromViewController:(nullable UIViewController *)presenting
diff --git a/keyBoard/Class/Manager/KBSkinService.m b/keyBoard/Class/Manager/KBSkinService.m
index 8aab7d7..ceed321 100644
--- a/keyBoard/Class/Manager/KBSkinService.m
+++ b/keyBoard/Class/Manager/KBSkinService.m
@@ -51,6 +51,14 @@
          fromViewController:(UIViewController *)presenting
                       mode:(KBSkinSourceMode)mode
                  completion:(KBSkinApplyCompletion)completion {
+    // 模式为“恢复默认皮肤”时，直接调用 KBSkinManager 的 reset 接口，忽略 JSON 内容。
+    if (mode == KBSkinSourceModeResetToDefault) {
+        [[KBSkinManager shared] resetToDefault];
+        if (completion) completion(YES);
+        [KBHUD showInfo:KBLocalized(@"已恢复默认键盘皮肤")];
+        return;
+    }
+
     if (skinJSON.count == 0) {
         if (completion) completion(NO);
         return;