现在通过Build.MODEL来判断机型，而非Build.DEVICE

app/src/main/java/com/bgycc/smartcanteen/qrcode/QRCodeScanFactory.java

@@ -4,15 +4,15 @@ import android.os.Build;
 
 public class QRCodeScanFactory {
     private static final String TPS = "TPS";
-    private static final String T3 = "56iqDS";
+    private static final String QUAD = "QUAD";
 
     private static final String TPS_PORT = "/dev/ttyS0";
-    private static final String T3_PORT = "/dev/ttyS6";
+    private static final String QUAD_PORT = "/dev/ttyS6";
     public static IQRCodeScan create() throws Exception {
-        if (Build.DEVICE.contains(TPS)) {
+        if (Build.MODEL.contains(TPS)) {
             return new TPS(TPS_PORT);
-        } else if (Build.DEVICE.contains(T3)) {
-            return new T3(T3_PORT);
+        } else if (Build.DEVICE.contains(QUAD)) {
+            return new QUAD(QUAD_PORT);
         } else {
             throw new RuntimeException("不明设备型号: " + Build.DEVICE);
         }

app/src/main/java/com/bgycc/smartcanteen/qrcode/T3.java → app/src/main/java/com/bgycc/smartcanteen/qrcode/QUAD.java

@@ -2,10 +2,10 @@ package com.bgycc.smartcanteen.qrcode;
 
 import android_serialport_api.SerialPort;
 
-public class T3 extends BaseQRCodeScan {
+public class QUAD extends BaseQRCodeScan {
     private SerialPort serial;
 
-    public T3(String filePath) throws Exception {
+    public QUAD(String filePath) throws Exception {
         serial = new SerialPort(filePath, 115200, 0);
         setup(serial.getInputStream());
     }