diff --git a/bin/defaultstyle.qss b/bin/defaultstyle.qss
index 0107d91..c145e3b 100644
--- a/bin/defaultstyle.qss
+++ b/bin/defaultstyle.qss
@@ -3,8 +3,8 @@ QWidget#title,#FrameWindow{background-color:#ffffff;}
 QLabel#titleDes{font-size: 45px;font-weight: 500;font-family: 思源黑体;color:#0D9DDB;background-color: transparent;}
 QLabel#titleSystemName{font-size: 45px;font-weight: 500;font-family: 思源黑体;color:#555555;background-color: transparent;}
 QPushButton#titleBtn{border-image:url(:/image/icon_exit.png);border-radius: 40px;background-color: #EEF7FD;}
-QPushButton#titleBtn:hover{border-image:url(:/image/icon_exit_hover.png);border-radius: 40px; background-color:green;}
-QPushButton#titleBtn:pressed{border-image:url(:/image/icon_exit_checked.png);border-radius: 40px;background-color: blue;}
+QPushButton#titleBtn:hover{border-image:url(:/image/icon_exit_hover.png);border-radius: 40px;}
+QPushButton#titleBtn:pressed{border-image:url(:/image/icon_exit_checked.png);border-radius: 40px;}
 /*mainBtn*/
 MainBtn{border-image:url(:/image/index_bg_setting.png);background-color: transparent;}
 MainBtn:hover{border-image:url(:/image/index_bg_setting_hover.png);}