diff --git a/build.gradle b/build.gradle
index e7036406..5808814f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -24,7 +24,7 @@ task clean(type: Delete) {
 }
 
 ext {
-    minSdkVersion = 16
+    minSdkVersion = 14
     targetSdkVersion = 23
     compileSdkVersion = 25
     buildToolsVersion = '25.0.2'
diff --git a/magic_player/src/main/java/com/devlin_n/magic_player/controller/IjkMediaController.java b/magic_player/src/main/java/com/devlin_n/magic_player/controller/IjkMediaController.java
index 0f3bf017..5665435c 100644
--- a/magic_player/src/main/java/com/devlin_n/magic_player/controller/IjkMediaController.java
+++ b/magic_player/src/main/java/com/devlin_n/magic_player/controller/IjkMediaController.java
@@ -300,7 +300,7 @@ public void show() {
     public void reset() {
         currTime.setText(stringForTime(mediaPlayer.getDuration()));
         playButton.setSelected(true);
-        show(0);
+        show();
     }
 
     @Override
diff --git a/magic_player/src/main/java/com/devlin_n/magic_player/player/IjkVideoView.java b/magic_player/src/main/java/com/devlin_n/magic_player/player/IjkVideoView.java
index 1d6c0adc..29ec4be9 100644
--- a/magic_player/src/main/java/com/devlin_n/magic_player/player/IjkVideoView.java
+++ b/magic_player/src/main/java/com/devlin_n/magic_player/player/IjkVideoView.java
@@ -17,7 +17,6 @@
 import android.view.SurfaceHolder;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.ViewTreeObserver;
 import android.view.WindowManager;
 import android.widget.FrameLayout;
 import android.widget.ProgressBar;
@@ -34,7 +33,6 @@
 import com.devlin_n.magic_player.util.NetworkUtil;
 import com.devlin_n.magic_player.util.WindowUtil;
 import com.devlin_n.magic_player.widget.MagicSurfaceView;
-import com.devlin_n.magic_player.widget.MagicTextureView;
 import com.devlin_n.magic_player.widget.StatusView;
 
 import java.io.File;
@@ -58,7 +56,6 @@ public class IjkVideoView extends FrameLayout implements IjkMediaController.Medi
     private BaseMediaController mMediaController;//控制器
     private boolean isControllerAdded;//师傅添加控制器
     private MagicSurfaceView surfaceView;
-    private MagicTextureView textureView;
     private RelativeLayout surfaceContainer;
     private FrameLayout controllerContainer;
     private StatusView statusView;//显示错误信息的一个view
@@ -133,17 +130,18 @@ private void initView() {
         bufferProgress = (ProgressBar) videoView.findViewById(R.id.buffering);
         surfaceContainer = (RelativeLayout) videoView.findViewById(R.id.surface_container);
         controllerContainer = (FrameLayout) videoView.findViewById(R.id.controller_container);
-        //获取播放器竖屏时的原始宽高
-        getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
-            @Override
-            public void onGlobalLayout() {
-                originalWidth = getWidth();
-                originalHeight = getHeight();
-                if (originalWidth != -1 && originalHeight != -1) {
-                    getViewTreeObserver().removeOnGlobalLayoutListener(this);
-                }
-            }
-        });
+    }
+
+    /**
+     * 重写onWindowFocusChanged方法获取控件原始宽高
+     */
+    @Override
+    public void onWindowFocusChanged(boolean hasFocus) {
+        super.onWindowFocusChanged(hasFocus);
+        if (hasFocus && originalWidth == 0 && originalHeight == 0) {
+            originalWidth = getWidth();
+            originalHeight = getHeight();
+        }
     }
 
     /**