diff --git a/README.md b/README.md
index 575dec0..c510e3b 100644
--- a/README.md
+++ b/README.md
@@ -24,10 +24,10 @@
 
 |状态回调|View修改|拓展使用|
 |:---:|:---:|:---:|
-|![](https://github.com/princekin-f/EasyFloat/blob/master/readme/%E6%B5%AE%E7%AA%97Callbacks.gif)|![](https://github.com/princekin-f/EasyFloat/blob/master/readme/%E6%96%B9%E4%BE%BF%E7%9A%84view%E4%BF%AE%E6%94%B9.gif)|![](https://github.com/princekin-f/EasyFloat/blob/master/readme/dialog%E5%92%8Cxml%E4%BD%BF%E7%94%A8.gif)|
+|![](https://github.com/princekin-f/EasyFloat/blob/master/readme/%E6%B5%AE%E7%AA%97Callbacks.gif)|![](https://github.com/princekin-f/EasyFloat/blob/master/readme/%E6%96%B9%E4%BE%BF%E7%9A%84view%E4%BF%AE%E6%94%B9.gif)|![](https://github.com/princekin-f/EasyFloat/blob/master/readme/DragUtils.gif)|
 
 ## 下载体验：
-- [直接下载测试APK](https://raw.githubusercontent.com/princekin-f/EasyFloat/master/example/release/EasyFloat.apk)，或者扫码下载：
+- [直接下载测试APK](http://fir.zsc7454.cn/qgp2?release_id=603e0d26b2eb4639c8315f4d)，或者扫码下载：
 
 ![](https://raw.githubusercontent.com/princekin-f/EasyFloat/master/example/release/downloadImage.png)
 
diff --git a/easyfloat/src/main/java/com/lzf/easyfloat/core/FloatingWindowManager.kt b/easyfloat/src/main/java/com/lzf/easyfloat/core/FloatingWindowManager.kt
index b21c226..1b09b9c 100644
--- a/easyfloat/src/main/java/com/lzf/easyfloat/core/FloatingWindowManager.kt
+++ b/easyfloat/src/main/java/com/lzf/easyfloat/core/FloatingWindowManager.kt
@@ -16,8 +16,6 @@ internal object FloatingWindowManager {
 
     private const val DEFAULT_TAG = "default"
     val windowMap = ConcurrentHashMap<String, FloatingWindowHelper>()
-//    val map :ConcurrentHashMap
-//    val list = java.util.Collections.synchronizedList(mutableListOf<String>())
 
     /**
      * 创建浮窗，tag不存在创建，tag存在创建失败
diff --git a/example/release/EasyFloat.apk b/example/release/EasyFloat.apk
index 382a28a..f15c83e 100644
Binary files a/example/release/EasyFloat.apk and b/example/release/EasyFloat.apk differ
diff --git a/example/release/downloadImage.png b/example/release/downloadImage.png
index 96729fb..ad6afb9 100644
Binary files a/example/release/downloadImage.png and b/example/release/downloadImage.png differ
diff --git a/example/src/main/java/com/lzf/easyfloat/example/activity/MainActivity.kt b/example/src/main/java/com/lzf/easyfloat/example/activity/MainActivity.kt
index 7a335d8..0e83cf8 100644
--- a/example/src/main/java/com/lzf/easyfloat/example/activity/MainActivity.kt
+++ b/example/src/main/java/com/lzf/easyfloat/example/activity/MainActivity.kt
@@ -146,7 +146,7 @@ class MainActivity : BaseActivity(), View.OnClickListener {
 
     private fun showActivity2(tag: String = "seekBar") {
         // 改变浮窗1的文字
-        EasyFloat.getFloatView()?.findViewById<TextView>(R.id.textView)?.text = "恭喜浮窗2"
+        EasyFloat.getFloatView("showActivityFloat")?.findViewById<TextView>(R.id.textView)?.text = "欢迎浮窗2"
 
         EasyFloat.with(this)
             .setTag(tag)
diff --git a/readme/DragUtils.gif b/readme/DragUtils.gif
new file mode 100644
index 0000000..427660d
Binary files /dev/null and b/readme/DragUtils.gif differ
diff --git "a/readme/dialog\345\222\214xml\344\275\277\347\224\250.gif" "b/readme/dialog\345\222\214xml\344\275\277\347\224\250.gif"
deleted file mode 100644
index 3301063..0000000
Binary files "a/readme/dialog\345\222\214xml\344\275\277\347\224\250.gif" and /dev/null differ