fix 3

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

@@ -645,25 +645,16 @@ public class Ox485 {
                 return;
             }
             
-            // 验证串口是否真正打开
-            if (!isSerialPortReallyOpen()) {
-                isConnecting = false;
-                String errorMsg = "485串口打开后状态检查失败，串口可能未正确初始化";
-                LogManager.logError(TAG, errorMsg);
-                callback.onError(errorMsg);
-                return;
-            }
-            
-            // 启动读写线程
-            serialPortManager.startReadThread(485);
-            serialPortManager.startSendThread();
-            
-            // 连接成功
+            // 先设置连接成功状态，再进行验证
             isSerialPortOpen = true;
             isConnecting = false;
             lastSuccessTime = System.currentTimeMillis();
             currentRetryCount = 0;
             
+            // 启动读写线程
+            serialPortManager.startReadThread(485);
+            serialPortManager.startSendThread();
+            
             LogManager.logInfo(TAG, "485连接建立成功，进入懒加载复用模式，最后成功时间: " + 
                 new java.text.SimpleDateFormat("HH:mm:ss.SSS").format(new java.util.Date(lastSuccessTime)));
             callback.onConnected();