diff --git a/app/src/main/java/com/casic/common/detector/gd/base/SerialPortBaseActivity.kt b/app/src/main/java/com/casic/common/detector/gd/base/SerialPortBaseActivity.kt
index 1d0c9e3..a0f3460 100644
--- a/app/src/main/java/com/casic/common/detector/gd/base/SerialPortBaseActivity.kt
+++ b/app/src/main/java/com/casic/common/detector/gd/base/SerialPortBaseActivity.kt
@@ -102,10 +102,14 @@
 
     fun sendSerialPortCommand(command: Int) {
         if (serialPorts.isNotEmpty()) {
-            val outStream = serialPorts.first().outputStream
-            outStream.write(command)
-            outStream.flush()
-            Log.d(kTag, "sendSerialPortCommand: $command")
+            try {
+                val outStream = serialPorts.first().outputStream
+                outStream.write(command)
+                outStream.flush()
+                Log.d(kTag, "sendSerialPortCommand: $command")
+            } catch (e: IOException) {
+                e.printStackTrace()
+            }
         }
     }
 
@@ -113,10 +117,14 @@
      * 停止串口数据传输
      * */
     fun stopSerialPortCommand() {
-        if (serialPorts.isNotEmpty()) {
-            val outStream = serialPorts.first().outputStream
-            outStream.write(SerialPortCommand.STOP_SERIAL_PORT_DATA)
-            outStream.flush()
+        try {
+            if (serialPorts.isNotEmpty()) {
+                val outStream = serialPorts.first().outputStream
+                outStream.write(SerialPortCommand.STOP_SERIAL_PORT_DATA)
+                outStream.flush()
+            }
+        } catch (e: IOException) {
+            e.printStackTrace()
         }
     }