diff --git a/app/src/main/java/com/stand/standapp/AndroidInterface.kt b/app/src/main/java/com/stand/standapp/AndroidInterface.kt
index 75b2d07..4e5aa70 100644
--- a/app/src/main/java/com/stand/standapp/AndroidInterface.kt
+++ b/app/src/main/java/com/stand/standapp/AndroidInterface.kt
@@ -17,8 +17,11 @@ class AndroidInterface(private val activity: MainActivity) {
     private var isSpeaking = false
     private var lastSpeakTime = 0L
     private val MIN_SPEAK_DURATION = 200L
-    private var alertPlayer: android.media.MediaPlayer? = null
-    private var alertPlayCount = 0
+
+    companion object {
+        private var alertPlayer: android.media.MediaPlayer? = null
+        private var alertPlayCount = 0
+    }
 
     /**
      * JS bridge 调度入口
@@ -540,6 +543,7 @@ class AndroidInterface(private val activity: MainActivity) {
                     setVolume(volume, volume)
                     setOnCompletionListener {
                         alertPlayCount++
+                        Timber.tag("AlertPlayer").d("already alert play, count=$alertPlayCount")
                         if (alertPlayCount < count) {
                             try {
                                 it.start()