diff --git a/app/src/main/cpp/serial_port.cpp b/app/src/main/cpp/serial_port.cpp
index 174420a..c84cd3f 100644
--- a/app/src/main/cpp/serial_port.cpp
+++ b/app/src/main/cpp/serial_port.cpp
@@ -161,7 +161,7 @@
     jclass serial_port_class = env->GetObjectClass(thiz);
     jclass file_descriptor_class = env->FindClass("java/io/FileDescriptor");
 
-    // fd 对应SerialPortKit里面的 fd
+    // fd 对应SerialPort里面的 fd
     char fd_buffer[4] = {0};
     strcat(fd_buffer, "fd");
     jfieldID fd_field_id = env->GetFieldID(serial_port_class, fd_buffer,

diff --git a/app/src/main/cpp/serial_port.cpp b/app/src/main/cpp/serial_port.cpp
index 174420a..c84cd3f 100644
--- a/app/src/main/cpp/serial_port.cpp
+++ b/app/src/main/cpp/serial_port.cpp
@@ -161,7 +161,7 @@
     jclass serial_port_class = env->GetObjectClass(thiz);
     jclass file_descriptor_class = env->FindClass("java/io/FileDescriptor");
 
-    // fd 对应SerialPortKit里面的 fd
+    // fd 对应SerialPort里面的 fd
     char fd_buffer[4] = {0};
     strcat(fd_buffer, "fd");
     jfieldID fd_field_id = env->GetFieldID(serial_port_class, fd_buffer,
diff --git a/app/src/main/java/com/casic/detector/common/uart/SerialPort.kt b/app/src/main/java/com/casic/detector/common/uart/SerialPort.kt
index 1abddc6..c9deea6 100644
--- a/app/src/main/java/com/casic/detector/common/uart/SerialPort.kt
+++ b/app/src/main/java/com/casic/detector/common/uart/SerialPort.kt
@@ -34,7 +34,7 @@
         }
         fd = open(device.absolutePath, baudRate, flags)
         if (fd == null) {
-            Log.e(kTag, "SerialPortKit open returns null")
+            Log.e(kTag, "SerialPort open return null")
             throw IOException()
         }
         inputStream = FileInputStream(fd)

diff --git a/app/src/main/cpp/serial_port.cpp b/app/src/main/cpp/serial_port.cpp
index 174420a..c84cd3f 100644
--- a/app/src/main/cpp/serial_port.cpp
+++ b/app/src/main/cpp/serial_port.cpp
@@ -161,7 +161,7 @@
     jclass serial_port_class = env->GetObjectClass(thiz);
     jclass file_descriptor_class = env->FindClass("java/io/FileDescriptor");
 
-    // fd 对应SerialPortKit里面的 fd
+    // fd 对应SerialPort里面的 fd
     char fd_buffer[4] = {0};
     strcat(fd_buffer, "fd");
     jfieldID fd_field_id = env->GetFieldID(serial_port_class, fd_buffer,
diff --git a/app/src/main/java/com/casic/detector/common/uart/SerialPort.kt b/app/src/main/java/com/casic/detector/common/uart/SerialPort.kt
index 1abddc6..c9deea6 100644
--- a/app/src/main/java/com/casic/detector/common/uart/SerialPort.kt
+++ b/app/src/main/java/com/casic/detector/common/uart/SerialPort.kt
@@ -34,7 +34,7 @@
         }
         fd = open(device.absolutePath, baudRate, flags)
         if (fd == null) {
-            Log.e(kTag, "SerialPortKit open returns null")
+            Log.e(kTag, "SerialPort open return null")
             throw IOException()
         }
         inputStream = FileInputStream(fd)
diff --git a/app/src/main/java/com/casic/detector/common/view/MainActivity.kt b/app/src/main/java/com/casic/detector/common/view/MainActivity.kt
index 93535d2..a2fe3af 100644
--- a/app/src/main/java/com/casic/detector/common/view/MainActivity.kt
+++ b/app/src/main/java/com/casic/detector/common/view/MainActivity.kt
@@ -1681,8 +1681,16 @@
                         binding.energyTipsView.setTextColor(Color.parseColor("#428d00"))
                         binding.energyTipsView.setBackgroundResource(R.mipmap.bg_large_text_green)
 
-                        markerPoints.sortBy(MarkerDistanceData::distance)
-                        val nearestPoint = markerPoints.first()
+                        if (markerPoints.isEmpty()) {
+                            Log.d(kTag, "bindingValue: markerPoints.isEmpty()")
+                            return
+                        }
+
+                        //需要转一下，不然会有并发问题
+                        val temp = ArrayList<MarkerDistanceData>()
+                        temp.addAll(markerPoints)
+                        temp.sortBy(MarkerDistanceData::distance)
+                        val nearestPoint = temp.first()
                         markerId = nearestPoint.markerId
                         handleMarker()
                     } else {