fix 1

app/src/main/java/com/ouxuan/oxface/DebugActivity.java

@@ -250,6 +250,7 @@ public class DebugActivity extends Activity {
         
         // 485人数测试按钮
         Button btnTest485PeopleNum = findViewById(R.id.btnTest485PeopleNum);
+        btnTest485PeopleNum.setVisibility(View.GONE); // 暂时隐藏
         btnTest485PeopleNum.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
@@ -295,6 +296,7 @@ public class DebugActivity extends Activity {
         
         // 485完整诊断按钮
         Button btn485FullDiagnosis = findViewById(R.id.btn485FullDiagnosis);
+        btn485FullDiagnosis.setVisibility(View.GONE); // 暂时隐藏
         btn485FullDiagnosis.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
@@ -304,6 +306,7 @@ public class DebugActivity extends Activity {
         
         // 485快速测试按钮
         Button btn485QuickTest = findViewById(R.id.btn485QuickTest);
+        btn485QuickTest.setVisibility(View.GONE); // 暂时隐藏
         btn485QuickTest.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {

app/src/main/java/com/ouxuan/oxface/device/Ox485.java

@@ -104,9 +104,11 @@ public class Ox485 {
             if (deviceType == 5) {
                 // 第6批设备使用ttyS6
                 DEFAULT_SERIAL_PORT_PATH = "/dev/ttyS6";
-            } else {
-                // 其他设备（包括第7批）使用ttyS4
+            } else if(deviceType == 6){
+                // 第7批使用ttyS4
                 DEFAULT_SERIAL_PORT_PATH = "/dev/ttyS4";
+            }else{
+                DEFAULT_SERIAL_PORT_PATH = "/dev/ttyS6";
             }
             
             String logMessage = "已根据设备类型(" + deviceType + ")切换485串口路径: " + oldPath + " -> " + DEFAULT_SERIAL_PORT_PATH;