diff --git a/app/src/main/assets/rose_1.5.0.svga b/app/src/main/assets/rose_1.5.0.svga
deleted file mode 100644
index 6f5e7cee..00000000
Binary files a/app/src/main/assets/rose_1.5.0.svga and /dev/null differ
diff --git a/app/src/main/java/com/example/ponycui_home/svgaplayer/AnimationFromAssetsActivity.java b/app/src/main/java/com/example/ponycui_home/svgaplayer/AnimationFromAssetsActivity.java
index 8bd664f1..81923330 100644
--- a/app/src/main/java/com/example/ponycui_home/svgaplayer/AnimationFromAssetsActivity.java
+++ b/app/src/main/java/com/example/ponycui_home/svgaplayer/AnimationFromAssetsActivity.java
@@ -59,7 +59,6 @@ private String randomSample() {
             samples.add("EmptyState.svga");
             samples.add("heartbeat.svga");
             samples.add("posche.svga");
-            samples.add("rose_1.5.0.svga");
             samples.add("rose_2.0.0.svga");
             samples.add("test.svga");
             samples.add("test2.svga");
diff --git a/library/src/main/java/com/opensource/svgaplayer/SVGADynamicEntity.kt b/library/src/main/java/com/opensource/svgaplayer/SVGADynamicEntity.kt
index b5475593..bdc84839 100644
--- a/library/src/main/java/com/opensource/svgaplayer/SVGADynamicEntity.kt
+++ b/library/src/main/java/com/opensource/svgaplayer/SVGADynamicEntity.kt
@@ -26,6 +26,8 @@ class SVGADynamicEntity {
 
     internal var dynamicDrawer: HashMap<String, (canvas: Canvas, frameIndex: Int) -> Boolean> = hashMapOf()
 
+    internal var dynamicDrawerSized: HashMap<String, (canvas: Canvas, frameIndex: Int, width: Int, height: Int) -> Boolean> = hashMapOf()
+
     internal var isTextDirty = false
 
     fun setHidden(value: Boolean, forKey: String) {
@@ -38,7 +40,7 @@ class SVGADynamicEntity {
 
     fun setDynamicImage(url: String, forKey: String) {
         val handler = android.os.Handler()
-        thread {
+        SVGAParser.threadPoolExecutor.execute {
             (URL(url).openConnection() as? HttpURLConnection)?.let {
                 try {
                     it.connectTimeout = 20 * 1000
@@ -77,6 +79,10 @@ class SVGADynamicEntity {
         this.dynamicDrawer.put(forKey, drawer)
     }
 
+    fun setDynamicDrawerSized(drawer: (canvas: Canvas, frameIndex: Int, width: Int, height: Int) -> Boolean, forKey: String) {
+        this.dynamicDrawerSized.put(forKey, drawer)
+    }
+
     fun clearDynamicObjects() {
         this.isTextDirty = true
         this.dynamicHidden.clear()
@@ -85,6 +91,7 @@ class SVGADynamicEntity {
         this.dynamicTextPaint.clear()
         this.dynamicLayoutText.clear()
         this.dynamicDrawer.clear()
+        this.dynamicDrawerSized.clear()
     }
 
 }
\ No newline at end of file
diff --git a/library/src/main/java/com/opensource/svgaplayer/SVGAParser.kt b/library/src/main/java/com/opensource/svgaplayer/SVGAParser.kt
index 76acb3e9..53761c19 100644
--- a/library/src/main/java/com/opensource/svgaplayer/SVGAParser.kt
+++ b/library/src/main/java/com/opensource/svgaplayer/SVGAParser.kt
@@ -38,7 +38,7 @@ class SVGAParser(private val context: Context) {
             val cancelBlock = {
                 cancelled = true
             }
-            Thread {
+            threadPoolExecutor.execute {
                 try {
                     if (HttpResponseCache.getInstalled() == null && !noCache) {
                         Log.e("SVGAParser", "SVGAParser can not handle cache before install HttpResponseCache. see https://github.com/yyued/SVGAPlayer-Android#cache")
@@ -63,7 +63,7 @@ class SVGAParser(private val context: Context) {
                                     outputStream.write(buffer, 0, count)
                                 }
                                 if (cancelled) {
-                                    return@Thread
+                                    return@execute
                                 }
                                 ByteArrayInputStream(outputStream.toByteArray()).use {
                                     complete(it)
@@ -75,18 +75,20 @@ class SVGAParser(private val context: Context) {
                     e.printStackTrace()
                     failure(e)
                 }
-            }.start()
+            }
             return cancelBlock
         }
 
     }
 
     var fileDownloader = FileDownloader()
-    private var threadPoolBlockingQueue = LinkedBlockingQueue<Runnable>()
-    private var threadPoolExecutor = ThreadPoolExecutor(3, 10, 60000, TimeUnit.MILLISECONDS, this.threadPoolBlockingQueue)
 
-    protected fun finalize() {
-        threadPoolExecutor.shutdown()
+    companion object {
+        private val threadPoolBlockingQueue = LinkedBlockingQueue<Runnable>()
+        internal var threadPoolExecutor = ThreadPoolExecutor(3, 10, 60000, TimeUnit.MILLISECONDS, threadPoolBlockingQueue)
+        fun setThreadPoolExecutor(executor: ThreadPoolExecutor) {
+            threadPoolExecutor = executor
+        }
     }
 
     fun decodeFromAssets(name: String, callback: ParseCompletion) {
@@ -131,9 +133,9 @@ class SVGAParser(private val context: Context) {
                     else {
                         inflate(bytes)?.let {
                             val videoItem = SVGAVideoEntity(MovieEntity.ADAPTER.decode(it), File(cacheKey))
-//                            videoItem.prepare {
+                            videoItem.prepare {
                                 this.invokeCompleteCallback(videoItem, callback)
-//                            }
+                            }
                         }
                     }
                 }
diff --git a/library/src/main/java/com/opensource/svgaplayer/drawer/SVGACanvasDrawer.kt b/library/src/main/java/com/opensource/svgaplayer/drawer/SVGACanvasDrawer.kt
index 92ab6093..02867a42 100644
--- a/library/src/main/java/com/opensource/svgaplayer/drawer/SVGACanvasDrawer.kt
+++ b/library/src/main/java/com/opensource/svgaplayer/drawer/SVGACanvasDrawer.kt
@@ -273,6 +273,13 @@ internal class SVGACanvasDrawer(videoItem: SVGAVideoEntity, val dynamicItem: SVG
             it.invoke(canvas, frameIndex)
             canvas.restore()
         }
+        dynamicItem.dynamicDrawerSized[imageKey]?.let {
+            val frameMatrix = shareFrameMatrix(sprite.frameEntity.transform)
+            canvas.save()
+            canvas.concat(frameMatrix)
+            it.invoke(canvas, frameIndex, sprite.frameEntity.layout.width.toInt(), sprite.frameEntity.layout.height.toInt())
+            canvas.restore()
+        }
     }
 
     class ShareValues {