diff --git a/app/src/main/java/qianmu/container/activity/H5/WebViewActivity.java b/app/src/main/java/qianmu/container/activity/H5/WebViewActivity.java
index b73e2d2..76475a6 100644
--- a/app/src/main/java/qianmu/container/activity/H5/WebViewActivity.java
+++ b/app/src/main/java/qianmu/container/activity/H5/WebViewActivity.java
@@ -1,5 +1,6 @@
 package qianmu.container.activity.H5;
 
+import android.animation.Animator;
 import android.annotation.SuppressLint;
 import android.app.ActivityManager;
 import android.content.Context;
@@ -255,12 +256,7 @@ public class WebViewActivity extends BaseActivity {
                 return true; // 返回true表示已处理，不会弹出系统默认提示
             }
         });
-        binding.toVideo.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
-            @Override
-            public void onCompletion(MediaPlayer mp) {
-                changeVideo("bg");
-            }
-        });
+        binding.toVideo.setOnCompletionListener( mp -> changeVideo("bg"));
     }
     //小红帽回 back
     private void loadingBackVideo(){
@@ -278,12 +274,7 @@ public class WebViewActivity extends BaseActivity {
                 return true; // 返回true表示已处理，不会弹出系统默认提示
             }
         });
-        binding.backVideo.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
-            @Override
-            public void onCompletion(MediaPlayer mp) {
-                changeVideo("bg");
-            }
-        });
+        binding.backVideo.setOnCompletionListener( mp -> changeVideo("bg"));
     }
     //彩蛋背景视频
     private void loadingbgVideo1(){
@@ -353,7 +344,6 @@ public class WebViewActivity extends BaseActivity {
     public void changeVideo(String type){
         LoggerUtil.e("changeVideo", type);
         VideoView  nextVideo;
-        currentVideo.clearAnimation();
         switch(type.trim()){
             case "back" :
                 if(currentVideo == binding.backVideo){
@@ -398,35 +388,50 @@ public class WebViewActivity extends BaseActivity {
                 nextVideo = "".equals(videoAfter) ? binding.bgVideo : binding.bgVideo1;
         }
 
-        // 新视频淡入动画
-        AlphaAnimation fadeIn = new AlphaAnimation(0.3f, 1f);
-        fadeIn.setDuration(300);
-        fadeIn.setFillAfter(true);
-        // 旧视频淡出动画
-        AlphaAnimation fadeOut = new AlphaAnimation(1f, 0.5f);
-        fadeOut.setDuration(150);
-        fadeOut.setFillAfter(true);
-        fadeOut.setAnimationListener(new Animation.AnimationListener() {
-            @Override
-            public void onAnimationStart(Animation animation) {}
+        // 旧视频淡出
+        currentVideo.animate()
+                .alpha(0.5f)
+                .setDuration(300)
+                .setListener(new Animator.AnimatorListener() {
+                    @Override
+                    public void onAnimationStart(Animator animation) {
+                        currentVideo.pause();
+                    }
+                    @Override
+                    public void onAnimationEnd(Animator animation) {
+                        currentVideo.setVisibility(View.GONE);
+                        currentVideo.setAlpha(1f); // 恢复初始状态，以备下次使用
+                    }
+                    @Override
+                    public void onAnimationCancel(Animator animation) {}
 
-            @Override
-            public void onAnimationEnd(Animation animation) {
-                currentVideo.setVisibility(View.GONE);
-                currentVideo.clearAnimation();
-                currentVideo = nextVideo;
-                if (!currentVideo.isPlaying()) {
-                    currentVideo.start();
-                }
-            }
-            @Override
-            public void onAnimationRepeat(Animation animation) {}
-        });
-        // 执行切换
-        currentVideo.pause();
+                    @Override
+                    public void onAnimationRepeat(Animator animation) {}
+                });
+
+        // 新视频淡入
+        nextVideo.setAlpha(0.3f); // 先设置为完全透明
         nextVideo.setVisibility(View.VISIBLE);
-        nextVideo.startAnimation(fadeIn);
-        currentVideo.startAnimation(fadeOut);
+        nextVideo.animate()
+                .alpha(1f)
+                .setDuration(500)
+                .setListener(new Animator.AnimatorListener() {
+                    @Override
+                    public void onAnimationStart(Animator animation) {
+                        if (!nextVideo.isPlaying()) {
+                            nextVideo.start();
+                        }
+                    }
+                    @Override
+                    public void onAnimationEnd(Animator animation) {
+                        currentVideo = nextVideo;
+                        currentVideo.start();
+                    }
+                    @Override
+                    public void onAnimationCancel(Animator animation) {}
+                    @Override
+                    public void onAnimationRepeat(Animator animation) {}
+                });
     }
 
     @Override
@@ -662,7 +667,7 @@ public class WebViewActivity extends BaseActivity {
        @JavascriptInterface
        public void stopTTS() {
            LoggerUtil.e(TAG,"JS调用了Android的方法:stopTTS()");
-            ttsUtil.stopTTs();
+           ttsUtil.stopTTs();
            runOnUiThread(new Runnable() {
                @Override
                public void run() {
diff --git a/app/src/main/res/raw/bg1.mp4 b/app/src/main/res/raw/bg1.mp4
index 6166711..e422fc8 100644
Binary files a/app/src/main/res/raw/bg1.mp4 and b/app/src/main/res/raw/bg1.mp4 differ
diff --git a/app/src/main/res/raw/hatback.mp4 b/app/src/main/res/raw/hatback.mp4
index 3862e78..1a9314d 100644
Binary files a/app/src/main/res/raw/hatback.mp4 and b/app/src/main/res/raw/hatback.mp4 differ
diff --git a/app/src/main/res/raw/hatto.mp4 b/app/src/main/res/raw/hatto.mp4
index 32004a2..6fca142 100644
Binary files a/app/src/main/res/raw/hatto.mp4 and b/app/src/main/res/raw/hatto.mp4 differ
diff --git a/app/src/main/res/raw/hello1.mp4 b/app/src/main/res/raw/hello1.mp4
index 8c6804a..15de1c8 100644
Binary files a/app/src/main/res/raw/hello1.mp4 and b/app/src/main/res/raw/hello1.mp4 differ
diff --git a/app/src/main/res/raw/speek1.mp4 b/app/src/main/res/raw/speek1.mp4
index 1e932ab..f442d1b 100644
Binary files a/app/src/main/res/raw/speek1.mp4 and b/app/src/main/res/raw/speek1.mp4 differ