修正软件结构，按照UI2.0进行解密UI布局

App/Setting/Setting.qss

@@ -1,11 +1,11 @@
 
 
-QFrame {
+.QFrame {
     background-color: #FFFFFF;
 }
 
 
-QPushButton {
+.QPushButton {
     background-color: #FFFFFF  /*palegoldenrod*/;
     border-width: 2px;
     border-color: darkkhaki;
@@ -15,20 +15,20 @@ QPushButton {
     font: 30px "Arial";
 }
 
-QPushButton:pressed {
+.QPushButton:pressed {
     background-color: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                       stop: 0 #dadbde, stop: 1 #f6f7fa);
 }
 
-QPushButton:flat {
+.QPushButton:flat {
     border: none; /* no border for a flat push button */
 }
 
-QPushButton:default {
+.QPushButton:default {
     border-color: navy; /* make the default button prominent */
 }
 
-QLineEdit {
+.QLineEdit {
     background-color: #FFFFFF
 }