diff --git a/CameraFilter/src/main/java/com/frank/camerafilter/widget/CameraRender.java b/CameraFilter/src/main/java/com/frank/camerafilter/widget/CameraRender.java
index 3427403..464c588 100644
--- a/CameraFilter/src/main/java/com/frank/camerafilter/widget/CameraRender.java
+++ b/CameraFilter/src/main/java/com/frank/camerafilter/widget/CameraRender.java
@@ -83,6 +83,7 @@ public class CameraRender implements GLSurfaceView.Renderer, SurfaceTexture.OnFr
         if (cameraManager.getCamera() == null)
             cameraManager.openCamera();
         Camera.Size size = cameraManager.getPreviewSize();
+        // rotation=90 or rotation=270, we need to exchange width and height
         if (cameraManager.getOrientation() == 90 || cameraManager.getOrientation() == 270) {
             mImageWidth = size.height;
             mImageHeight = size.width;
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index dfe28bd..b234431 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -49,6 +49,7 @@
         <activity android:name=".activity.AudioEffectActivity" />
         <activity android:name=".activity.AudioPlayActivity" />
         <activity android:name=".activity.EqualizerActivity" />
+        <activity android:name=".activity.CameraFilterActivity" />
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/com/frank/ffmpeg/activity/CameraFilterActivity.kt b/app/src/main/java/com/frank/ffmpeg/activity/CameraFilterActivity.kt
new file mode 100644
index 0000000..ae5bfb3
--- /dev/null
+++ b/app/src/main/java/com/frank/ffmpeg/activity/CameraFilterActivity.kt
@@ -0,0 +1,35 @@
+package com.frank.ffmpeg.activity
+
+import android.os.Bundle
+import android.view.SurfaceView
+import android.view.View
+import com.frank.camerafilter.widget.BeautyCameraView
+import com.frank.ffmpeg.FFMediaPlayer
+import com.frank.ffmpeg.R
+
+class CameraFilterActivity : BaseActivity() {
+
+    private var cameraView: BeautyCameraView ?= null
+
+    override val layoutId: Int
+        get() = R.layout.activity_camera_filter
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        initView()
+    }
+
+    fun initView() {
+        cameraView = getView(R.id.surface_camera_filter)
+    }
+
+    override fun onViewClick(view: View) {
+
+    }
+
+    override fun onSelectedFile(filePath: String) {
+
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/frank/ffmpeg/activity/MainActivity.kt b/app/src/main/java/com/frank/ffmpeg/activity/MainActivity.kt
index b1555e9..90f769d 100644
--- a/app/src/main/java/com/frank/ffmpeg/activity/MainActivity.kt
+++ b/app/src/main/java/com/frank/ffmpeg/activity/MainActivity.kt
@@ -35,7 +35,8 @@ class MainActivity : BaseActivity() {
                 getString(R.string.video_filter),
                 getString(R.string.video_preview),
                 getString(R.string.media_probe),
-                getString(R.string.audio_effect))
+                getString(R.string.audio_effect),
+                getString(R.string.camera_filter))
 
         val viewWaterfall: RecyclerView = findViewById(R.id.list_main_item)
         val layoutManager = StaggeredGridLayoutManager(2, StaggeredGridLayoutManager.VERTICAL)
@@ -71,6 +72,8 @@ class MainActivity : BaseActivity() {
             -> intent.setClass(this@MainActivity, ProbeFormatActivity::class.java)
             8 //audio effect
             -> intent.setClass(this@MainActivity, AudioEffectActivity::class.java)
+            9 //camera filter
+            -> intent.setClass(this@MainActivity, CameraFilterActivity::class.java)
             else -> {
             }
         }
diff --git a/app/src/main/res/layout/activity_camera_filter.xml b/app/src/main/res/layout/activity_camera_filter.xml
new file mode 100644
index 0000000..63e112e
--- /dev/null
+++ b/app/src/main/res/layout/activity_camera_filter.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".activity.CameraFilterActivity"
+    android:layout_marginTop="66dp"
+    android:layout_marginBottom="66dp">
+
+    <com.frank.camerafilter.widget.BeautyCameraView
+        android:id="@+id/surface_camera_filter"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerInParent="true"/>
+
+</RelativeLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values-en/strings.xml b/app/src/main/res/values-en/strings.xml
index 207f3ce..6391736 100644
--- a/app/src/main/res/values-en/strings.xml
+++ b/app/src/main/res/values-en/strings.xml
@@ -53,7 +53,8 @@
     <string name="video_extract_frame">Extract frame</string>
     <string name="video_part_zoom">Video zoom</string>
     <string name="video_play">Video play</string>
-    <string name="video_filter">Video filter</string>
+    <string name="video_filter">FFmpeg filter</string>
+    <string name="camera_filter">Camera filter</string>
     <string name="video_slow">Video slow</string>
     <string name="video_fast">Video fast</string>
     <string name="video_multi">Video multi</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index b9702ed..812096a 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -53,7 +53,8 @@
     <string name="video_extract_frame">视频抽帧</string>
     <string name="video_part_zoom">视频局部放大</string>
     <string name="video_play">视频播放</string>
-    <string name="video_filter">滤镜特效</string>
+    <string name="video_filter">FFmpeg滤镜</string>
+    <string name="camera_filter">Camera滤镜</string>
     <string name="video_slow">慢放</string>
     <string name="video_fast">快进</string>
     <string name="video_multi">画面拼接</string>