diff --git a/src/sui.cpp b/src/sui.cpp
index f6a27b3..7c8fe24 100644
--- a/src/sui.cpp
+++ b/src/sui.cpp
@@ -44,7 +44,6 @@ void sui::paintEvent(QPaintEvent *event)
     painter.drawRoundedRect(this->rect(), 10, 10);
     QWidget::paintEvent(event);
 }
-
 void sui::region(const QPoint &currentGlobalPoint)
 {
     // 获取窗体在屏幕上的位置区域，topLeft为坐上角点，rightButton为右下角点
diff --git a/src/sui.h b/src/sui.h
index 07e6eb5..3558046 100644
--- a/src/sui.h
+++ b/src/sui.h
@@ -30,8 +30,7 @@ private:
     bool         m_press;
     int          m_border_width;
     Orient       ori;
-
-    sui_title   *m_title;   
+    sui_title   *m_title;
 protected:
     void paintEvent(QPaintEvent *event);
     void showEvent(QShowEvent *event);  
diff --git a/src/xsteam_ui.cpp b/src/xsteam_ui.cpp
index f5b42ec..6a1c012 100644
--- a/src/xsteam_ui.cpp
+++ b/src/xsteam_ui.cpp
@@ -498,6 +498,7 @@ void xsteam_ui::slots_push_manifest()
    {
       xs_push_manifest->setMaximumSize(width(), height() - 30);
       xs_push_manifest->setGeometry(geometry());
+      xs_push_manifest->setWindowModality(Qt::ApplicationModal);
       xs_push_manifest->show();
    }
 }
@@ -509,6 +510,7 @@ void xsteam_ui::slots_open_server_edit()
       xs_src_edit_ui->setMaximumSize(width(), height()- 30);
       xs_src_edit_ui->setGeometry(geometry());
       connect(xs_src_edit_ui, SIGNAL(signals_update()), this, SLOT(slots_server_combobox_load_data()));
+      xs_src_edit_ui->setWindowModality(Qt::ApplicationModal);
       xs_src_edit_ui->show();
    }
 }
@@ -519,6 +521,7 @@ void xsteam_ui::slots_open_update()
    {
       xs_update_ui->setMaximumSize(width() / 2, height());
       xs_update_ui->setGeometry(geometry());
+      xs_update_ui->setWindowModality(Qt::ApplicationModal);
       xs_update_ui->show();
    }
 }
@@ -529,6 +532,7 @@ void xsteam_ui::slots_open_setting()
    {
       xs_sets_ui->setMaximumSize(width(), height()- 30);
       xs_sets_ui->setGeometry(geometry());
+      xs_sets_ui->setWindowModality(Qt::ApplicationModal);
       xs_sets_ui->show();
    }
 }
@@ -539,6 +543,7 @@ void xsteam_ui::slots_open_about()
    {
       xs_about_ui->setMaximumSize(width() / 2, height());
       xs_about_ui->setGeometry(geometry());
+      xs_about_ui->setWindowModality(Qt::ApplicationModal);
       xs_about_ui->show();
    }
 }