处理bug

keyBoard/VC/KBPermissionViewController.h

@@ -16,6 +16,10 @@ NS_ASSUME_NONNULL_BEGIN
 @property (nonatomic, copy, nullable) void (^backHandler)(void);
 @property (nonatomic, strong) UIButton *backButton;   // 左上角返回
 
+/// 外部（如 KBGuideVC）根据引导页是否显示，控制视频播放/暂停
+- (void)kb_resumeGuideVideoIfNeeded;
+- (void)kb_pauseGuideVideo;
+
 @end
 
 NS_ASSUME_NONNULL_END

keyBoard/VC/KBPermissionViewController.m

@@ -108,8 +108,10 @@ static void *KBPermPlayerPresentationSizeContext = &KBPermPlayerPresentationSize
 
 - (void)viewWillAppear:(BOOL)animated {
     [super viewWillAppear:animated];
-    // 进入页面时自动开始播放
-    [self kb_setupPermissionVideoPlayer];
+    // 进入页面时自动开始播放；若当前被隐藏，则由外部显式控制
+    if (!self.view.hidden) {
+        [self kb_setupPermissionVideoPlayer];
+    }
 }
 
 - (void)viewDidDisappear:(BOOL)animated {
@@ -249,6 +251,15 @@ static void *KBPermPlayerPresentationSizeContext = &KBPermPlayerPresentationSize
     [self.kb_permPlayer play];
 }
 
+- (void)kb_resumeGuideVideoIfNeeded {
+    // 若已初始化，则直接播放；否则按统一逻辑创建并播放
+    [self kb_setupPermissionVideoPlayer];
+}
+
+- (void)kb_pauseGuideVideo {
+    [self.kb_permPlayer pause];
+}
+
 - (void)kb_playerItemDidReachEnd:(NSNotification *)note {
     AVPlayerItem *item = (AVPlayerItem *)note.object;
     if (!item) return;