diff --git a/Shared/Localization/en.lproj/Localizable.strings b/Shared/Localization/en.lproj/Localizable.strings
index ac2d787..dd69c3e 100644
--- a/Shared/Localization/en.lproj/Localizable.strings
+++ b/Shared/Localization/en.lproj/Localizable.strings
@@ -12,7 +12,9 @@
 "home_title" = "Home";
 "home_input_placeholder" = "Type here to test the keyboard";
 "home_item_lang_test" = "Language Test";
+"home_item_keyboard_permission" = "Keyboard Permission Guide";
 
 "lang_test_title" = "Language Test";
 "lang_toggle" = "Toggle Language";
 "current_lang" = "Current: %@";
+"common_back" = "Back";
diff --git a/Shared/Localization/zh-Hans.lproj/Localizable.strings b/Shared/Localization/zh-Hans.lproj/Localizable.strings
index 2b89438..00a3f7a 100644
--- a/Shared/Localization/zh-Hans.lproj/Localizable.strings
+++ b/Shared/Localization/zh-Hans.lproj/Localizable.strings
@@ -12,7 +12,9 @@
 "home_title" = "首页";
 "home_input_placeholder" = "在此输入，测试键盘";
 "home_item_lang_test" = "多语言测试";
+"home_item_keyboard_permission" = "键盘权限引导";
 
 "lang_test_title" = "多语言测试";
 "lang_toggle" = "切换语言";
 "current_lang" = "当前：%@";
+"common_back" = "返回";
diff --git a/keyBoard/AppDelegate.m b/keyBoard/AppDelegate.m
index 1b7ebd8..6e94da7 100644
--- a/keyBoard/AppDelegate.m
+++ b/keyBoard/AppDelegate.m
@@ -35,35 +35,11 @@ static NSString * const kKBKeyboardExtensionBundleId = @"com.keyBoardst.CustomKe
     /// 设置GroupID进行配置
 //    buglyConfig.applicationGroupIdentifier = @"";
     [Bugly startWithAppId:BuglyId config:buglyConfig];
-    /// 判断获取键盘权限（统一管理）：
-    dispatch_async(dispatch_get_main_queue(), ^{
-        UIViewController *top = [UIViewController kb_topMostViewController];
-        if (top) {
-            Class mgrCls = NSClassFromString(@"KBKeyboardPermissionManager");
-            if (mgrCls && [mgrCls respondsToSelector:@selector(shared)]) {
-                id mgr = [mgrCls performSelector:@selector(shared)];
-                if ([mgr respondsToSelector:@selector(presentPermissionIfNeededFrom:)]) {
-                    // 避免私有 API 静态链接，运行时调用
-                    void (*func)(id, SEL, UIViewController *) = (void (*)(id, SEL, UIViewController *))objc_msgSend;
-                    func(mgr, @selector(presentPermissionIfNeededFrom:), top);
-                }
-            } else {
-                // 兜底走原有逻辑（仅判断是否启用键盘）
-                [self kb_presentPermissionIfNeeded];
-            }
-        }
-    });
+    // 键盘权限引导改由 KBGuideVC 内部负责；此处不主动弹出。
     return YES;
 }
 
-- (void)applicationDidBecomeActive:(UIApplication *)application{
-    // When returning from Settings, re-check the keyboard enable state
-    // and hide the guide if the user has enabled our keyboard.
-    // Also shows the guide again if still not enabled.
-    dispatch_async(dispatch_get_main_queue(), ^{
-        [self kb_presentPermissionIfNeeded];
-    });
-}
+- (void)applicationDidBecomeActive:(UIApplication *)application{}
 
 
 - (void)setupRootVC{
@@ -120,20 +96,7 @@ static NSString * const kKBKeyboardExtensionBundleId = @"com.keyBoardst.CustomKe
 
 - (void)kb_presentPermissionIfNeeded
 {
-    BOOL enabled = KBIsKeyboardEnabled();
-    UIViewController *top = [UIViewController kb_topMostViewController];
-    if (!top) return;
-    if ([top isKindOfClass:[KBPermissionViewController class]]) {
-        if (enabled) {
-            [top dismissViewControllerAnimated:YES completion:nil];
-        }
-        return;
-    }
-    if (!enabled) {
-        KBPermissionViewController *guide = [KBPermissionViewController new];
-        guide.modalPresentationStyle = UIModalPresentationFullScreen;
-        [top presentViewController:guide animated:YES completion:nil];
-    }
+    // 该逻辑已迁移到 KBGuideVC，保留占位以兼容旧调用，但不再执行任何操作
 }
 
 
diff --git a/keyBoard/Class/Guard/VC/KBGuideVC.m b/keyBoard/Class/Guard/VC/KBGuideVC.m
index 6d1a552..df000a8 100644
--- a/keyBoard/Class/Guard/VC/KBGuideVC.m
+++ b/keyBoard/Class/Guard/VC/KBGuideVC.m
@@ -9,6 +9,8 @@
 #import "KBGuideTopCell.h"
 #import "KBGuideKFCell.h"
 #import "KBGuideUserCell.h"
+#import "KBPermissionViewController.h"
+#import "KBKeyboardPermissionManager.h"
 
 typedef NS_ENUM(NSInteger, KBGuideItemType) {
     KBGuideItemTypeTop = 0,   // 顶部固定卡片
@@ -75,12 +77,49 @@ typedef NS_ENUM(NSInteger, KBGuideItemType) {
     self.bgTap.cancelsTouchesInView = NO;
     self.bgTap.delegate = self;
     [self.tableView addGestureRecognizer:self.bgTap];
+
+    // 监听应用回到前台/变为活跃：用于从设置返回时再次校验权限
+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(kb_checkKeyboardPermission) name:UIApplicationDidBecomeActiveNotification object:nil];
 }
 
 - (void)dealloc {
     [[NSNotificationCenter defaultCenter] removeObserver:self];
 }
 
+- (void)viewWillAppear:(BOOL)animated {
+    [super viewWillAppear:animated];
+    // 每次进入页面都校验一次（包括从其它页面返回）
+    [self kb_checkKeyboardPermission];
+}
+
+/// 校验键盘权限：
+/// - 未启用或已启用但拒绝完全访问 => 弹出引导页
+/// - 已满足条件且正在展示引导页 => 关闭引导页
+- (void)kb_checkKeyboardPermission {
+    KBKeyboardPermissionManager *mgr = [KBKeyboardPermissionManager shared];
+    BOOL enabled = [mgr isKeyboardEnabled];
+    KBFARecord fa = [mgr lastKnownFullAccess];
+    BOOL needGuide = (!enabled) || (enabled && fa == KBFARecordDenied);
+
+    UIViewController *top = [UIViewController kb_topMostViewController];
+    if (needGuide) {
+        if (![top isKindOfClass:[KBPermissionViewController class]]) {
+            KBPermissionViewController *guide = [KBPermissionViewController new];
+            guide.modalPresentationStyle = UIModalPresentationFullScreen;
+            __weak typeof(self) weakSelf = self;
+            guide.onBack = ^{
+                // 用户主动点击“返回”时，同步退出引导页
+                [weakSelf.navigationController popViewControllerAnimated:YES];
+            };
+            [top presentViewController:guide animated:YES completion:nil];
+        }
+    } else {
+        if ([top isKindOfClass:[KBPermissionViewController class]]) {
+            [top dismissViewControllerAnimated:YES completion:nil];
+        }
+    }
+}
+
 - (void)kb_didTapBackground {
     // 结束编辑，隐藏键盘
     [self.view endEditing:YES];
diff --git a/keyBoard/Class/Home/VC/HomeVC.m b/keyBoard/Class/Home/VC/HomeVC.m
index e24d760..dee9fac 100644
--- a/keyBoard/Class/Home/VC/HomeVC.m
+++ b/keyBoard/Class/Home/VC/HomeVC.m
@@ -39,8 +39,8 @@
     self.tableView.tableHeaderView = header;
     [self.view addSubview:self.tableView];
 
-    // 数据
-    self.items = @[ KBLocalized(@"home_item_lang_test") ];
+    // 数据（第一个：语言测试；第二个：键盘权限引导）
+    self.items = @[ KBLocalized(@"home_item_lang_test"), KBLocalized(@"home_item_keyboard_permission") ];
 
     // 首次进入，聚焦到输入框方便测试键盘
     dispatch_async(dispatch_get_main_queue(), ^{ [self.textView becomeFirstResponder]; });
@@ -56,7 +56,7 @@
     // 刷新本页涉及的多语言文案
     self.title = KBLocalized(@"home_title");
     // 重建 items 以更新本地化的 cell 标题
-    self.items = @[ KBLocalized(@"home_item_lang_test") ];
+    self.items = @[ KBLocalized(@"home_item_lang_test"), KBLocalized(@"home_item_keyboard_permission") ];
     [self.tableView reloadData];
 }
 
@@ -87,6 +87,10 @@
         // 多语言测试页
         KBLangTestVC *vc = [KBLangTestVC new];
         [self.navigationController pushViewController:vc animated:YES];
+    } else if (indexPath.row == 1) {
+        // 键盘权限引导页
+        KBGuideVC *vc = [KBGuideVC new];
+        [self.navigationController pushViewController:vc animated:YES];
     }
 }
 
diff --git a/keyBoard/VC/KBPermissionViewController.h b/keyBoard/VC/KBPermissionViewController.h
index e2a77a1..c425135 100644
--- a/keyBoard/VC/KBPermissionViewController.h
+++ b/keyBoard/VC/KBPermissionViewController.h
@@ -11,6 +11,9 @@ NS_ASSUME_NONNULL_BEGIN
 
 @interface KBPermissionViewController : UIViewController
 
+/// 点击页面左上角“返回”时回调。用于让调用方（如 KBGuideVC）一起退出等自定义行为。
+@property (nonatomic, copy, nullable) void (^onBack)(void);
+
 @end
 
 NS_ASSUME_NONNULL_END
diff --git a/keyBoard/VC/KBPermissionViewController.m b/keyBoard/VC/KBPermissionViewController.m
index 2868970..aec5744 100644
--- a/keyBoard/VC/KBPermissionViewController.m
+++ b/keyBoard/VC/KBPermissionViewController.m
@@ -9,7 +9,12 @@
 #import <TargetConditionals.h>
 
 @interface KBPermissionViewController ()
-
+@property (nonatomic, strong) UIButton *backButton;   // 左上角返回
+@property (nonatomic, strong) UILabel *titleLabel;    // 标题
+@property (nonatomic, strong) UILabel *tipsLabel;     // 步骤提示
+@property (nonatomic, strong) UIView *cardView;       // 中部卡片
+@property (nonatomic, strong) UIButton *openButton;   // 去设置
+@property (nonatomic, strong) UILabel *helpLabel;     // 底部帮助
 @end
 
 @implementation KBPermissionViewController
@@ -18,67 +23,66 @@
     [super viewDidLoad];
     self.view.backgroundColor = [UIColor colorWithWhite:0.96 alpha:1.0];
 
-    UIButton *close = [UIButton buttonWithType:UIButtonTypeSystem];
-    [close setTitle:@"X" forState:UIControlStateNormal];
-    close.titleLabel.font = [UIFont systemFontOfSize:20 weight:UIFontWeightSemibold];
-    close.tintColor = [UIColor darkTextColor];
-    close.frame = CGRectMake(self.view.bounds.size.width - 44, 44, 28, 28);
-    close.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleBottomMargin;
-    [close addTarget:self action:@selector(dismissSelf) forControlEvents:UIControlEventTouchUpInside];
-    [self.view addSubview:close];
+    // 懒加载控件 + 添加到视图
+    [self.view addSubview:self.backButton];
+    [self.view addSubview:self.titleLabel];
+    [self.view addSubview:self.tipsLabel];
+    [self.view addSubview:self.cardView];
+    [self.view addSubview:self.openButton];
+    [self.view addSubview:self.helpLabel];
 
-    UILabel *title = [[UILabel alloc] init];
-    title.text = [[KBLocalizationManager shared] localizedStringForKey:@"perm_title_enable" table:nil value:@"启用输入法"];
-    title.font = [UIFont systemFontOfSize:22 weight:UIFontWeightSemibold];
-    title.textColor = [UIColor blackColor];
-    title.textAlignment = NSTextAlignmentCenter;
-    title.frame = CGRectMake(24, 100, self.view.bounds.size.width - 48, 28);
-    title.autoresizingMask = UIViewAutoresizingFlexibleWidth;
-    [self.view addSubview:title];
+    // Masonry 约束
+    [self.backButton mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.left.equalTo(self.view).offset(16);
+            make.top.equalTo(self.view.mas_safeAreaLayoutGuideTop).offset(8);
+     
+        make.width.mas_equalTo(60);
+        make.height.mas_equalTo(32);
+    }];
 
-    UILabel *tips = [[UILabel alloc] init];
-    // 保留简体中文为默认值；正式多语言请在 Localizable.strings 中提供
-    tips.text = [[KBLocalizationManager shared] localizedStringForKey:@"perm_steps" table:nil value:@"1 开启键盘 > 2 允许完全访问"];
-    tips.font = [UIFont systemFontOfSize:14];
-    tips.textColor = [UIColor darkGrayColor];
-    tips.textAlignment = NSTextAlignmentCenter;
-    tips.frame = CGRectMake(24, CGRectGetMaxY(title.frame) + 8, self.view.bounds.size.width - 48, 20);
-    tips.autoresizingMask = UIViewAutoresizingFlexibleWidth;
-    [self.view addSubview:tips];
+    [self.titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.top.equalTo(self.view.mas_safeAreaLayoutGuideTop).offset(48);
+     
+        make.left.equalTo(self.view).offset(24);
+        make.right.equalTo(self.view).offset(-24);
+        make.height.mas_equalTo(28);
+    }];
 
-    UIView *card = [[UIView alloc] initWithFrame:CGRectMake(32, CGRectGetMaxY(tips.frame) + 28, self.view.bounds.size.width - 64, 260)];
-    card.backgroundColor = [UIColor whiteColor];
-    card.layer.cornerRadius = 16;
-    card.layer.shadowColor = [UIColor colorWithWhite:0 alpha:0.1].CGColor;
-    card.layer.shadowOpacity = 1;
-    card.layer.shadowRadius = 12;
-    [self.view addSubview:card];
+    [self.tipsLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.top.equalTo(self.titleLabel.mas_bottom).offset(8);
+        make.left.equalTo(self.view).offset(24);
+        make.right.equalTo(self.view).offset(-24);
+    }];
 
-    UIButton *open = [UIButton buttonWithType:UIButtonTypeSystem];
-    [open setTitle:[[KBLocalizationManager shared] localizedStringForKey:@"perm_open_settings" table:nil value:@"去设置中开启"] forState:UIControlStateNormal];
-    open.titleLabel.font = [UIFont systemFontOfSize:17 weight:UIFontWeightSemibold];
-    [open setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
-    open.backgroundColor = [UIColor colorWithRed:0.22 green:0.49 blue:0.96 alpha:1.0];
-    open.layer.cornerRadius = 8;
-    CGFloat btnW = self.view.bounds.size.width - 64;
-    open.frame = CGRectMake(32, CGRectGetMaxY(card.frame) + 32, btnW, 48);
-    open.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin;
-    [open addTarget:self action:@selector(openSettings) forControlEvents:UIControlEventTouchUpInside];
-    [self.view addSubview:open];
+    [self.cardView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.top.equalTo(self.tipsLabel.mas_bottom).offset(28);
+        make.left.equalTo(self.view).offset(32);
+        make.right.equalTo(self.view).offset(-32);
+        make.height.mas_equalTo(260);
+    }];
 
-    UILabel *help = [[UILabel alloc] init];
-    help.text = [[KBLocalizationManager shared] localizedStringForKey:@"perm_help" table:nil value:@"没有找到键盘? 请前往 设置 > 通用 > 键盘 > 键盘 > 添加新键盘"];
-    help.font = [UIFont systemFontOfSize:12];
-    help.textColor = [UIColor grayColor];
-    help.textAlignment = NSTextAlignmentCenter;
-    help.numberOfLines = 2;
-    help.frame = CGRectMake(24, CGRectGetMaxY(open.frame) + 12, self.view.bounds.size.width - 48, 36);
-    help.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin;
-    [self.view addSubview:help];
+    [self.openButton mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.top.equalTo(self.cardView.mas_bottom).offset(32);
+        make.left.equalTo(self.view).offset(32);
+        make.right.equalTo(self.view).offset(-32);
+        make.height.mas_equalTo(48);
+    }];
+
+    [self.helpLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.top.equalTo(self.openButton.mas_bottom).offset(12);
+        make.left.equalTo(self.view).offset(24);
+        make.right.equalTo(self.view).offset(-24);
+    }];
 }
 
-- (void)dismissSelf {
-    [self dismissViewControllerAnimated:YES completion:nil];
+#pragma mark - Actions
+
+- (void)onBack {
+    // 先关闭自身，再让调用方按需处理（例如同时退出引导页）
+    void (^handler)(void) = self.onBack;
+    [self dismissViewControllerAnimated:YES completion:^{
+        if (handler) handler();
+    }];
 }
 
 - (void)openSettings {
@@ -93,4 +97,76 @@
     }
 }
 
+#pragma mark - Lazy Subviews
+
+- (UIButton *)backButton {
+    if (!_backButton) {
+        _backButton = [UIButton buttonWithType:UIButtonTypeSystem];
+        [_backButton setTitle:KBLocalized(@"common_back") forState:UIControlStateNormal];
+        _backButton.titleLabel.font = [UIFont systemFontOfSize:16 weight:UIFontWeightMedium];
+        [_backButton setTitleColor:[UIColor darkTextColor] forState:UIControlStateNormal];
+        [_backButton addTarget:self action:@selector(onBack) forControlEvents:UIControlEventTouchUpInside];
+    }
+    return _backButton;
+}
+
+- (UILabel *)titleLabel {
+    if (!_titleLabel) {
+        _titleLabel = [UILabel new];
+        _titleLabel.text = KBLocalized(@"perm_title_enable");
+        _titleLabel.font = [UIFont systemFontOfSize:22 weight:UIFontWeightSemibold];
+        _titleLabel.textColor = [UIColor blackColor];
+        _titleLabel.textAlignment = NSTextAlignmentCenter;
+    }
+    return _titleLabel;
+}
+
+- (UILabel *)tipsLabel {
+    if (!_tipsLabel) {
+        _tipsLabel = [UILabel new];
+        _tipsLabel.text = KBLocalized(@"perm_steps");
+        _tipsLabel.font = [UIFont systemFontOfSize:14];
+        _tipsLabel.textColor = [UIColor darkGrayColor];
+        _tipsLabel.textAlignment = NSTextAlignmentCenter;
+    }
+    return _tipsLabel;
+}
+
+- (UIView *)cardView {
+    if (!_cardView) {
+        _cardView = [UIView new];
+        _cardView.backgroundColor = [UIColor whiteColor];
+        _cardView.layer.cornerRadius = 16;
+        _cardView.layer.shadowColor = [UIColor colorWithWhite:0 alpha:0.1].CGColor;
+        _cardView.layer.shadowOpacity = 1;
+        _cardView.layer.shadowRadius = 12;
+    }
+    return _cardView;
+}
+
+- (UIButton *)openButton {
+    if (!_openButton) {
+        _openButton = [UIButton buttonWithType:UIButtonTypeSystem];
+        [_openButton setTitle:KBLocalized(@"perm_open_settings") forState:UIControlStateNormal];
+        _openButton.titleLabel.font = [UIFont systemFontOfSize:17 weight:UIFontWeightSemibold];
+        [_openButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
+        _openButton.backgroundColor = [UIColor colorWithRed:0.22 green:0.49 blue:0.96 alpha:1.0];
+        _openButton.layer.cornerRadius = 8;
+        [_openButton addTarget:self action:@selector(openSettings) forControlEvents:UIControlEventTouchUpInside];
+    }
+    return _openButton;
+}
+
+- (UILabel *)helpLabel {
+    if (!_helpLabel) {
+        _helpLabel = [UILabel new];
+        _helpLabel.text = KBLocalized(@"perm_help");
+        _helpLabel.font = [UIFont systemFontOfSize:12];
+        _helpLabel.textColor = [UIColor grayColor];
+        _helpLabel.textAlignment = NSTextAlignmentCenter;
+        _helpLabel.numberOfLines = 2;
+    }
+    return _helpLabel;
+}
+
 @end