1. 打印模块加载失败时测试打印崩溃问题

Ui/MainWindow.cpp

@@ -350,7 +350,11 @@ void MainWindow::showMain()
     }
     else
     {
-       this->showFullScreen();
+#ifdef QT_DEBUG
+        show();
+#else
+        this->showFullScreen();
+#endif
     }
 }
 void MainWindow::OnshowMainUi()

fmp_takeout_p.cpp

@@ -92,7 +92,9 @@ void FMPTakeoutPrivate::sltStopBlink(int type)
 
 void FMPTakeoutPrivate::sltPrint(QString data)
 {
-    emit sgnReceiveStatus(_Printer->DoPrint(data));
+    if (_Printer) {
+        emit sgnReceiveStatus(_Printer->DoPrint(data));
+    }
 }
 
 void FMPTakeoutPrivate::sltPrintName()