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 cca9e8b..91d042a 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
@@ -250,23 +250,23 @@
         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) {
                     outStream.write('2'.code)
                     outStream.flush()
-
-                    soundPool.play(soundResourceId, 1f, 1f, 0, -1, 1f)
-                    binding.readMarkerButton.isEnabled = false
                 }
 
                 override fun onDataReceived(buffer: ByteArray) {
                     val hex = buffer.toHex()
                     Log.d(kTag, hex)
+                    cancelLoadingView()
+                    binding.readMarkerButton.isEnabled = true
+                    countDownTimer.cancel()
+
                     val markerId = hex.take(20).hexToString()
                     if (markerId.isNumber()) {
-                        countDownTimer.cancel()
-                        cancelLoadingView()
-                        binding.readMarkerButton.isEnabled = true
                         binding.identifierInclude.identifierIdView.text = markerId
                     }
                 }