修改测试出现界面一些不合理的地方

App/ComponentUI/Inputter/Inputter.cpp

@@ -18,9 +18,6 @@ Inputter::Inputter(QWidget *parent) :
     this->setFocusPolicy(Qt::WheelFocus);
     this->setFocus();
 
-
-    activateWindow();
-
     ui->lineEdit->setFocusPolicy(Qt::WheelFocus);
     ui->lineEdit->setFocus();
 
@@ -111,10 +108,16 @@ void Inputter::keyPressEvent(QKeyEvent *event)   //键盘按下事件
          on_pushButton_minus_clicked();
        break;
        case Qt::Key_Delete:
-         on_pushButton_del_clicked();
+       {
+        curentStr = curentStr.mid(0,curentStr.size() - 1);
+        ui->lineEdit->setText(curentStr);
+       }
        break;
        case Qt::Key_Backspace:
-          on_pushButton_del_clicked();
+       {
+        curentStr = curentStr.mid(0,curentStr.size() - 1);
+        ui->lineEdit->setText(curentStr);
+       }
        break;
        case Qt::Key_Escape:
           on_pushButton_cancel_clicked();