diff --git a/app/src/main/java/com/casic/detector/common/view/InstallMarkerActivity.kt b/app/src/main/java/com/casic/detector/common/view/InstallMarkerActivity.kt
index 91d042a..f730f6d 100644
--- a/app/src/main/java/com/casic/detector/common/view/InstallMarkerActivity.kt
+++ b/app/src/main/java/com/casic/detector/common/view/InstallMarkerActivity.kt
@@ -77,7 +77,6 @@
     override fun initEvent() {
         //返回
         binding.titleInclude.leftBackView.setOnClickListener {
-            soundPool.autoPause()
             finish()
         }
 
@@ -250,7 +249,6 @@
         binding.readMarkerButton.setOnClickListener {
             LoadingDialogHub.show(this, "标识器读取中，请稍后...")
             countDownTimer.start()
-            soundPool.play(soundResourceId, 1f, 1f, 0, -1, 1f)
             binding.readMarkerButton.isEnabled = false
             serialPortService?.openSerialPort(object : OnSerialPortDataListener {
                 override fun write(outStream: OutputStream) {
@@ -261,9 +259,10 @@
                 override fun onDataReceived(buffer: ByteArray) {
                     val hex = buffer.toHex()
                     Log.d(kTag, hex)
-                    cancelLoadingView()
-                    binding.readMarkerButton.isEnabled = true
+                    LoadingDialogHub.dismiss()
                     countDownTimer.cancel()
+                    binding.readMarkerButton.isEnabled = true
+                    serialPortService?.closeSerialPort()
 
                     val markerId = hex.take(20).hexToString()
                     if (markerId.isNumber()) {
@@ -279,22 +278,17 @@
      * */
     private val countDownTimer = object : CountDownTimer(10 * 1000, 1000) {
         override fun onTick(millisUntilFinished: Long) {
-
+            soundPool.play(soundResourceId, 1f, 1f, 0, 0, 1f)
         }
 
         override fun onFinish() {
-            cancelLoadingView()
+            LoadingDialogHub.dismiss()
             "读取此标识器ID超时，请重试".show(context)
             binding.readMarkerButton.isEnabled = true
+            serialPortService?.closeSerialPort()
         }
     }
 
-    private fun cancelLoadingView() {
-        LoadingDialogHub.dismiss()
-        soundPool.autoPause()
-        serialPortService?.closeSerialPort()
-    }
-
     private fun saveMarkerInLocal() {
         val objectId = SaveKeyValues.getValue(LocaleConstant.OBJECT_ID, "") as String