diff --git a/app/src/main/java/com/casic/detector/common/view/SearchMarkerActivity.kt b/app/src/main/java/com/casic/detector/common/view/SearchMarkerActivity.kt
index 14fe667..6beab28 100644
--- a/app/src/main/java/com/casic/detector/common/view/SearchMarkerActivity.kt
+++ b/app/src/main/java/com/casic/detector/common/view/SearchMarkerActivity.kt
@@ -46,6 +46,7 @@
 import com.pengxh.kt.lite.utils.SaveKeyValues
 import com.pengxh.kt.lite.widget.dialog.AlertMessageDialog
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import java.io.OutputStream
@@ -84,7 +85,7 @@
             if (iBinder is SerialPortService.ServiceBinder) {
                 serialPortService = iBinder.getSerialPortService()
                 Log.d(kTag, "onServiceConnected: 服务已绑定")
-                searchMarker()
+                lifecycleScope.launch(Dispatchers.Main) { searchMarker() }
             }
         }
 
@@ -156,7 +157,7 @@
             LoadingDialogHub.dismiss()
             serialPortService?.closeSerialPort()
             "标识器深度探测超时，请移动位置重试".show(context)
-            searchMarker()
+            lifecycleScope.launch(Dispatchers.Main) { searchMarker() }
         }
     }
 
@@ -173,7 +174,7 @@
                 }
                 if (tag == '1') {
                     "此标识器无法读取埋深！".show(this)
-                    searchMarker()
+                    lifecycleScope.launch(Dispatchers.Main) { searchMarker() }
                 } else {
                     LoadingDialogHub.show(this, "正在探测标识器埋深，请稍后...")
                     countDownTimer.start()
@@ -190,25 +191,7 @@
                             if (hex.startsWith("53")) {
                                 LoadingDialogHub.dismiss()
                                 countDownTimer.cancel()
-                                try {
-                                    val depthResponse = hex.take(10).hexToString()
-                                    val depth = depthResponse.drop(2).toInt()
-                                    AlertMessageDialog.Builder().setContext(context)
-                                        .setTitle("温馨提示")
-                                        .setMessage("标识器埋深：${depth}厘米")
-                                        .setPositiveButton("知道了")
-                                        .setOnDialogButtonClickListener(object :
-                                            AlertMessageDialog.OnDialogButtonClickListener {
-                                            override fun onConfirmClick() {
-                                                serialPortService?.closeSerialPort()
-                                                searchMarker()
-                                            }
-                                        }).build().show()
-                                } catch (e: WindowManager.BadTokenException) {
-                                    e.printStackTrace()
-                                } catch (e: NumberFormatException) {
-                                    e.printStackTrace()
-                                }
+                                showDepthDialog(hex)
                             }
                         }
                     })
@@ -216,7 +199,7 @@
             } else {
                 LoadingDialogHub.dismiss()
                 "标识器未安装，安装成功后才可读取埋深！".show(this)
-                searchMarker()
+                lifecycleScope.launch(Dispatchers.Main) { searchMarker() }
             }
         }
 
@@ -238,30 +221,55 @@
         }
     }
 
+    private fun showDepthDialog(hex: String) {
+        try {
+            val depthResponse = hex.take(10).hexToString()
+            Log.d(kTag, "showDepthDialog: $depthResponse")
+            val depth = depthResponse.drop(2).toInt()
+            AlertMessageDialog.Builder().setContext(context)
+                .setTitle("温馨提示")
+                .setMessage("标识器埋深：${depth}厘米")
+                .setPositiveButton("知道了")
+                .setOnDialogButtonClickListener(object :
+                    AlertMessageDialog.OnDialogButtonClickListener {
+                    override fun onConfirmClick() {
+                        serialPortService?.closeSerialPort()
+                        lifecycleScope.launch(Dispatchers.Main) { searchMarker() }
+                    }
+                }).build().show()
+        } catch (e: WindowManager.BadTokenException) {
+            e.printStackTrace()
+        } catch (e: NumberFormatException) {
+            e.printStackTrace()
+        }
+    }
+
     /**
      * 搜索标识器
      * */
-    private fun searchMarker() {
-        Thread.sleep(100)
-
+    private suspend fun searchMarker() {
+        delay(300)
+        searchMarkerTimer = Timer()
         serialPortService?.openSerialPort(object : OnSerialPortDataListener {
             override fun write(outStream: OutputStream) {
-                searchMarkerTimer = Timer()
-                searchMarkerTimer.schedule(object : TimerTask() {
-                    override fun run() {
-                        outStream.write('2'.code)
-                        outStream.flush()
+                runOnUiThread {
+                    searchMarkerTimer.schedule(object : TimerTask() {
+                        override fun run() {
+                            outStream.write('2'.code)
+                            outStream.flush()
 
-                        Thread.sleep(50)
+                            Thread.sleep(50)
 
-                        outStream.write('6'.code)
-                        outStream.flush()
-                    }
-                }, 0, 200)
+                            outStream.write('6'.code)
+                            outStream.flush()
+                        }
+                    }, 0, 200)
+                }
             }
 
             override fun onDataReceived(buffer: ByteArray) {
                 val hex = buffer.toHex()
+//                Log.d(kTag, "onDataReceived: $hex")
                 if (hex.startsWith("4E")) {
                     try {
                         //4E转为String为N，代表能量值