diff --git a/app/src/main/cpp/audio_player.cpp b/app/src/main/cpp/audio_player.cpp
index 41a5394..d85ac40 100644
--- a/app/src/main/cpp/audio_player.cpp
+++ b/app/src/main/cpp/audio_player.cpp
@@ -29,6 +29,7 @@ extern "C" {
 #define MAX_AUDIO_FRAME_SIZE 48000 * 4
 
 int filter_again = 0;
+int filter_release = 0;
 const char *filter_desc = "superequalizer=6b=4:8b=5:10b=5";
 
 int init_volume_filter(AVFilterGraph **graph, AVFilterContext **src, AVFilterContext **sink,
@@ -280,7 +281,7 @@ AUDIO_PLAYER_FUNC(void, play, jstring input_jstr, jstring filter_jstr) {
     }
 
     //read audio frame
-    while (av_read_frame(pFormatCtx, packet) >= 0) {
+    while (av_read_frame(pFormatCtx, packet) >= 0 && !filter_release) {
         if (packet->stream_index != audio_stream_idx) {
             av_packet_unref(packet);
             continue;
@@ -343,10 +344,17 @@ end:
     avformat_close_input(&pFormatCtx);
     env->ReleaseStringUTFChars(input_jstr, input_cstr);
     env->ReleaseStringUTFChars(filter_jstr, filter_desc);
+    filter_again = 0;
+    filter_release = 0;
+    LOGE(TAG, "audio release...");
 }
 
 AUDIO_PLAYER_FUNC(void, again, jstring filter_jstr) {
     if (!filter_jstr) return;
     filter_again = 1;
     filter_desc = env->GetStringUTFChars(filter_jstr, NULL);
+}
+
+AUDIO_PLAYER_FUNC(void, release) {
+    filter_release = 1;
 }
\ No newline at end of file
diff --git a/app/src/main/cpp/video_filter.c b/app/src/main/cpp/video_filter.c
index aa783d1..5070fb9 100644
--- a/app/src/main/cpp/video_filter.c
+++ b/app/src/main/cpp/video_filter.c
@@ -384,7 +384,9 @@ end:
     audio_track_write_mid = NULL;
     ANativeWindow_release(nativeWindow);
     (*env)->ReleaseStringUTFChars(env, filePath, file_name);
-    LOGE(TAG, "do release...");
+    again = 0;
+    release = 0;
+    LOGE(TAG, "video release...");
     return ret;
 }
 
diff --git a/app/src/main/java/com/frank/ffmpeg/AudioPlayer.java b/app/src/main/java/com/frank/ffmpeg/AudioPlayer.java
index 229f154..87572ed 100644
--- a/app/src/main/java/com/frank/ffmpeg/AudioPlayer.java
+++ b/app/src/main/java/com/frank/ffmpeg/AudioPlayer.java
@@ -19,6 +19,8 @@ public class AudioPlayer {
 
     public native void again(String filterDesc);
 
+    public native void release();
+
     //using OpenSL ES to play
     public native void playAudio(String audioPath);
 
diff --git a/app/src/main/java/com/frank/ffmpeg/activity/EqualizerActivity.kt b/app/src/main/java/com/frank/ffmpeg/activity/EqualizerActivity.kt
index 1dd2a33..75b9a87 100644
--- a/app/src/main/java/com/frank/ffmpeg/activity/EqualizerActivity.kt
+++ b/app/src/main/java/com/frank/ffmpeg/activity/EqualizerActivity.kt
@@ -109,4 +109,13 @@ class EqualizerActivity : BaseActivity(), OnSeeBarListener {
     override fun onSelectedFile(filePath: String) {
         audioPath = filePath
     }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        if (filterThread != null) {
+            mAudioPlayer!!.release()
+            filterThread?.interrupt()
+            filterThread = null
+        }
+    }
 }