diff --git a/example/build.gradle b/example/build.gradle
index 46c82de..8f67eac 100644
--- a/example/build.gradle
+++ b/example/build.gradle
@@ -80,4 +80,7 @@ dependencies {
     implementation 'com.google.flogger:flogger-system-backend:0.7.4'
 
     implementation 'com.google.guava:guava:31.1-android'
+
+    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.8.7") // 提供 lifecycleScope
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.9.0")
 }
\ No newline at end of file
diff --git a/example/src/main/assets/pic/11/002.png b/example/src/main/assets/pic/11/002.png
new file mode 100644
index 0000000..61308fb
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diff --git a/example/src/main/assets/pic/11/003.png b/example/src/main/assets/pic/11/003.png
new file mode 100644
index 0000000..d276e95
Binary files /dev/null and b/example/src/main/assets/pic/11/003.png differ
diff --git a/example/src/main/assets/pic/11/004.png b/example/src/main/assets/pic/11/004.png
new file mode 100644
index 0000000..cad8bc1
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diff --git a/example/src/main/assets/pic/11/005.png b/example/src/main/assets/pic/11/005.png
new file mode 100644
index 0000000..a535fb1
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diff --git a/example/src/main/assets/pic/11/006.png b/example/src/main/assets/pic/11/006.png
new file mode 100644
index 0000000..1143812
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diff --git a/example/src/main/assets/pic/11/007.png b/example/src/main/assets/pic/11/007.png
new file mode 100644
index 0000000..50bcbb7
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diff --git a/example/src/main/assets/pic/11/008.png b/example/src/main/assets/pic/11/008.png
new file mode 100644
index 0000000..98001c0
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diff --git a/example/src/main/assets/pic/11/009.png b/example/src/main/assets/pic/11/009.png
new file mode 100644
index 0000000..fbf2571
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diff --git a/example/src/main/assets/pic/11/010.png b/example/src/main/assets/pic/11/010.png
new file mode 100644
index 0000000..d435b93
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diff --git a/example/src/main/assets/pic/11/011.png b/example/src/main/assets/pic/11/011.png
new file mode 100644
index 0000000..dcdc335
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diff --git a/example/src/main/assets/pic/11/012.png b/example/src/main/assets/pic/11/012.png
new file mode 100644
index 0000000..b477c6b
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diff --git a/example/src/main/assets/pic/13/001.png b/example/src/main/assets/pic/13/001.png
new file mode 100644
index 0000000..bfeda38
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diff --git a/example/src/main/assets/pic/13/002.png b/example/src/main/assets/pic/13/002.png
new file mode 100644
index 0000000..e99a429
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diff --git a/example/src/main/assets/pic/13/003.png b/example/src/main/assets/pic/13/003.png
new file mode 100644
index 0000000..6d4d4f9
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diff --git a/example/src/main/assets/pic/13/004.png b/example/src/main/assets/pic/13/004.png
new file mode 100644
index 0000000..0a9a4c0
Binary files /dev/null and b/example/src/main/assets/pic/13/004.png differ
diff --git a/example/src/main/assets/pic/13/005.png b/example/src/main/assets/pic/13/005.png
new file mode 100644
index 0000000..6a154da
Binary files /dev/null and b/example/src/main/assets/pic/13/005.png differ
diff --git a/example/src/main/assets/pic/13/006.png b/example/src/main/assets/pic/13/006.png
new file mode 100644
index 0000000..37bfbea
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diff --git a/example/src/main/assets/pic/13/007.png b/example/src/main/assets/pic/13/007.png
new file mode 100644
index 0000000..ccb4898
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diff --git a/example/src/main/assets/pic/13/008.png b/example/src/main/assets/pic/13/008.png
new file mode 100644
index 0000000..5345b3f
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diff --git a/example/src/main/assets/pic/13/009.png b/example/src/main/assets/pic/13/009.png
new file mode 100644
index 0000000..82ffb94
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diff --git a/example/src/main/assets/pic/13/010.png b/example/src/main/assets/pic/13/010.png
new file mode 100644
index 0000000..c6c6a04
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diff --git a/example/src/main/assets/pic/13/011.png b/example/src/main/assets/pic/13/011.png
new file mode 100644
index 0000000..49fdc69
Binary files /dev/null and b/example/src/main/assets/pic/13/011.png differ
diff --git a/example/src/main/assets/pic/13/012.png b/example/src/main/assets/pic/13/012.png
new file mode 100644
index 0000000..36bb610
Binary files /dev/null and b/example/src/main/assets/pic/13/012.png differ
diff --git a/example/src/main/assets/pic/13/013.png b/example/src/main/assets/pic/13/013.png
new file mode 100644
index 0000000..bcb7c79
Binary files /dev/null and b/example/src/main/assets/pic/13/013.png differ
diff --git a/example/src/main/assets/pic/13/014.png b/example/src/main/assets/pic/13/014.png
new file mode 100644
index 0000000..c5ec589
Binary files /dev/null and b/example/src/main/assets/pic/13/014.png differ
diff --git a/example/src/main/assets/pic/motion_data.json b/example/src/main/assets/pic/motion_data.json
index 56aab1d..730df9b 100644
--- a/example/src/main/assets/pic/motion_data.json
+++ b/example/src/main/assets/pic/motion_data.json
@@ -71,13 +71,38 @@
     "7.png"
   ],
   "11": [
-    "11.png"
+    "002.png",
+    "003.png",
+    "004.png",
+    "005.png",
+    "006.png",
+    "007.png",
+    "008.png",
+    "009.png",
+    "010.png",
+    "011.png",
+    "11.png",
+    "012.png"
   ],
   "12": [
     "12.png"
   ],
   "13": [
-    "13.png"
+    "001.png",
+    "002.png",
+    "003.png",
+    "004.png",
+    "005.png",
+    "006.png",
+    "007.png",
+    "008.png",
+    "009.png",
+    "010.png",
+    "011.png",
+    "012.png",
+    "013.png",
+    "13.png",
+    "014.png"
   ],
   "14": [
     "14.png"
diff --git a/example/src/main/java/com/inewme/uvmirror/MakeupActivity.kt b/example/src/main/java/com/inewme/uvmirror/MakeupActivity.kt
index 9ff3292..9e2dd26 100644
--- a/example/src/main/java/com/inewme/uvmirror/MakeupActivity.kt
+++ b/example/src/main/java/com/inewme/uvmirror/MakeupActivity.kt
@@ -7,11 +7,13 @@ import android.util.Log
 import android.view.KeyEvent
 import android.view.KeyEvent.KEYCODE_BACK
 import android.view.MotionEvent
-import android.widget.Toast
-import androidx.activity.OnBackPressedCallback
+import androidx.lifecycle.lifecycleScope
 import com.hmwl.face_sdk.FaceActivity
 import com.hmwl.face_sdk.InitArg
 import com.hmwl.face_sdk.Motion
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
 import org.json.JSONObject
 import java.io.BufferedReader
 import java.io.InputStreamReader
@@ -19,8 +21,43 @@ import java.io.InputStreamReader
 
 class MakeupActivity : FaceActivity()
 {
-    private var curIndex = 0
-    private var pngFilesByFolder: List<FolderInfo>? = null
+    var isLoadFinished: Boolean = false;
+    var isMotionFinished: Boolean = true;
+    var _motionIndex : Int = 0
+
+
+    var animationFinishedFun = object : AnimationFinishedCallbackInterface  {
+        override fun OnAnimationFinished() {
+            isMotionFinished = true;
+        }
+
+    }
+
+    var loadFinishedFun = object : CallbackInterface  {
+        override fun OnLoadActionFinished(motion_type: String) {
+            isLoadFinished = true;
+        }
+    }
+
+
+
+    private val motionQueue: MutableList<String> = mutableListOf()
+    fun PlayMotionQueue(motions: List<String>)
+    {
+        for (m in motions) {
+            var motion = getMotionByName(m);
+            var motionJsonString = motion.toJson();
+            motionQueue.add(motionJsonString)
+        }
+        //开始播放动画的时候需要先加载第一个动画
+        isLoadFinished = false;
+        _motionIndex = 0;
+        PreLoadAction(motionQueue[_motionIndex], loadFinishedFun)
+    }
+
+    private var updateJob: Job? = null
+
+
 
     override fun onCreate(savedInstanceState: Bundle?) {
 
@@ -35,20 +72,37 @@ class MakeupActivity : FaceActivity()
 
         super.onCreate(savedInstanceState)
 
-        var motion = getMotionByIndex(0);
-        var motionJsonString = motion.toJson()
-        val result = PreLoadAction(motionJsonString,object : CallbackInterface  {
-            override fun OnLoadActionFinished(motion_type: String) {
-                //加载完成后，切断到对应的动画
-                Log.i("info","加载完成后，切换到对应的动画")
-                ChangeMotion(motion_type, object : AnimationFinishedCallbackInterface{
-                    override fun OnAnimationFinished(){
-                        Log.i("info","动画播放完成，收到回调")
-                    }
-                }, false)
+
+        // 启动一个生命周期感知的协程
+        updateJob = lifecycleScope.launch {
+            while (true) {
+                update()
+                delay(10) // 每 10 毫秒执行一次
             }
-        })
-        Toast.makeText(this, "开始加载动画:  $result", Toast.LENGTH_SHORT).show()
+        }
+
+    }
+
+    private fun update()
+    {
+        //下一个动画加载完成，并且当前动画已经播放完了 (刚开始的时候当前动画初始化为播放完成)
+        if(isLoadFinished && isMotionFinished)
+        {
+            //切换到加载完成的动画
+            isMotionFinished = false
+            ChangeMotion(motionQueue[_motionIndex], animationFinishedFun, false)
+
+            isLoadFinished = false
+
+            //如果还有动画，则开始预先加载
+            if(_motionIndex + 1 < motionQueue.size)
+            {
+                _motionIndex += 1
+                PreLoadAction(motionQueue[_motionIndex], loadFinishedFun)
+            }
+
+        }
+
     }
 
     override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
@@ -66,70 +120,21 @@ class MakeupActivity : FaceActivity()
     }
 
 
-    private fun getMotionByIndex(index: Int): Motion {
-        pngFilesByFolder?.let { folders ->
-            val motion = Motion().apply {
-                type = folders[index].folderName
-                png_names = folders[index].fileList
-            }
-            return motion
+    private fun getMotionByName(m: String): Motion {
+        val motion = Motion().apply {
+            type = m
+            png_names = pngFilesByFolder?.get(m)?.fileList
         }
-        return Motion()
+        return motion
     }
 
-    private fun getCurMotionState(index: Int): String {
-        pngFilesByFolder?.let { folders ->
-            val motion = Motion().apply {
-                type = folders[index].folderName
-                png_names = folders[index].fileList
-            }
-            return motion.toJson()
-        }
-        return ""
-    }
 
-    var nextMotionLoadFinished = false
-    var nextMotionType = ""
+
     override fun onTouchEvent(event: MotionEvent): Boolean {
         when (event.action) {
-            MotionEvent.ACTION_DOWN -> {
-                pngFilesByFolder?.let { folders ->
-                    if (curIndex > folders.size - 1) {
-                        //动画播放完成，切换到主界面
-                        curIndex = 0
-                        Stop();
-                        finish();
-                    }
-                }
-            }
-
             MotionEvent.ACTION_UP -> {
-                if (!nextMotionLoadFinished)
-                {
-                    var nextMotion = getMotionByIndex(curIndex + 1);
-                    var json_str = nextMotion.toJson()
-                    PreLoadAction(json_str,object : CallbackInterface  {
-                        override fun OnLoadActionFinished(motion_type: String) {
-                            Log.i("info","加载完成后，还会继续播放当前的动画，可以手动切换动画")
-                            nextMotionLoadFinished = true;
-                            nextMotionType = motion_type;
-                        }
-                    })
-                    Toast.makeText(this, "开始加载下一个动画 ${nextMotion.type}", Toast.LENGTH_SHORT).show()
-                }
-                else
-                {
-                    //手动切换动画
-                    ChangeMotion(nextMotionType, object: AnimationFinishedCallbackInterface{
-                        override fun OnAnimationFinished(){
-                            Log.i("info","动画播放完成的回调")
-                        }
-                    }, false);
-                    nextMotionLoadFinished = false;
-                    curIndex++;
-                    Toast.makeText(this, "切换到下一个动画 $nextMotionType", Toast.LENGTH_SHORT).show()
-                }
-
+                val motions: List<String> = listOf("4", "11", "13")
+                PlayMotionQueue(motions)
             }
         }
         return true
@@ -140,8 +145,8 @@ class MakeupActivity : FaceActivity()
         val fileList: List<String>
     )
 
-    private fun readPngFilenamesFromAssets(context: Context, filename: String): List<FolderInfo> {
-        val folderList = mutableListOf<FolderInfo>()
+    private fun readPngFilenamesFromAssets(context: Context, filename: String): Map<String,FolderInfo> {
+        val folderMap = mutableMapOf<String, FolderInfo>()
 
         try {
             context.assets.open(filename).use { inputStream ->
@@ -164,7 +169,7 @@ class MakeupActivity : FaceActivity()
                             filesInFolder.add(fileArray.getString(i))
                         }
 
-                        folderList.add(FolderInfo(folderName, filesInFolder))
+                        folderMap[folderName] = (FolderInfo(folderName, filesInFolder))
                     }
                 }
             }
@@ -172,9 +177,10 @@ class MakeupActivity : FaceActivity()
             e.printStackTrace()
         }
 
-        return folderList
+        return folderMap
     }
 
+    private var pngFilesByFolder: Map<String, FolderInfo>? = null
     private fun FaceInit(context: Context) {
         pngFilesByFolder = readPngFilenamesFromAssets(context, "pic/motion_data.json")
     }
diff --git a/vulkan/FaceApp.cpp b/vulkan/FaceApp.cpp
index 8ec69fd..fcde49a 100644
--- a/vulkan/FaceApp.cpp
+++ b/vulkan/FaceApp.cpp
@@ -1401,6 +1401,7 @@ void FaceApp::changeMotion(const string motion_type, AnimationFinishedCallback c
     _motionState = ready;
 	_animationFinishedCallback = callback;
 	_animationLoop = loop;
+	_curTexIndex = 0;
 
 
 //	for (int i = 0; i < _curMotion.png_names.size(); ++i)