diff --git a/Qss.cpp b/Qss.cpp
index 41dea73..d051a1d 100644
--- a/Qss.cpp
+++ b/Qss.cpp
@@ -91,7 +91,6 @@ QssTtitleBar::QssTtitleBar(QWidget *parent ,
     QFile file(":/qss/css/QssTitleBar.css");
     if (!file.open(QIODevice::ReadOnly)){
         qDebug()<<"error bar";
-        exit(0);
     }
     QTextStream in(&file);
     QString css = in.readAll();
@@ -278,7 +277,6 @@ QssMainWindow::QssMainWindow(QWidget *parent/* = 0*/, Qt::WindowFlags flags/* =
     QFile file(":/qss/css/QssMainWindow.css");
     if (!file.open(QIODevice::ReadOnly)){
         qDebug()<<"error bar";
-        exit(0);
     }
     QTextStream in(&file);
     QString css = in.readAll();
diff --git a/Qss.h b/Qss.h
index 6489ae0..4e69c5b 100644
--- a/Qss.h
+++ b/Qss.h
@@ -26,7 +26,9 @@ class QPushButton;
 class QLabel;
 class QMouseEvent;
 #define STANDARD_DPI 96.0
+#ifndef WM_DPICHANGED
 #define WM_DPICHANGED 0x02e0
+#endif
 
 
 typedef enum{