diff --git a/themes/Default/Dark.qss b/themes/Default/Dark.qss
index c9f87dcd12e..136c38aefd5 100644
--- a/themes/Default/Dark.qss
+++ b/themes/Default/Dark.qss
@@ -49,7 +49,7 @@ QObject::handle,
 QObject::tab-bar,
 QObject::tab,
 QObject::section {
-  font-family: "Segoe UI", Frutiger, "Frutiger Linotype", "Dejavu Sans", "Helvetica Neue", Arial, sans-serif;
+  font-family: "Segoe UI", Frutiger, "Frutiger Linotype", "Dejavu Sans", "Helvetica Neue", "Microsoft YaHei UI", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
   font-size: 10pt;
   margin: 0;
   padding: 0;
@@ -1066,15 +1066,15 @@ TalkingUI > * {
   background-color: #191919;
 }
 
-TalkingUI [selected="false"] {
+TalkingUI [selected=false] {
   background-color: #191919;
 }
 
-TalkingUI [selected="false"]:hover {
+TalkingUI [selected=false]:hover {
   background-color: #333;
 }
 
-TalkingUI [selected="true"] {
+TalkingUI [selected=true] {
   background-color: #3e4f5e;
   border: 1px solid #3e4f5e;
 }
diff --git a/themes/Default/Lite.qss b/themes/Default/Lite.qss
index 49bcff3cc76..ec0c19a4b63 100644
--- a/themes/Default/Lite.qss
+++ b/themes/Default/Lite.qss
@@ -49,7 +49,7 @@ QObject::handle,
 QObject::tab-bar,
 QObject::tab,
 QObject::section {
-  font-family: "Segoe UI", Frutiger, "Frutiger Linotype", "Dejavu Sans", "Helvetica Neue", Arial, sans-serif;
+  font-family: "Segoe UI", Frutiger, "Frutiger Linotype", "Dejavu Sans", "Helvetica Neue", "Microsoft YaHei UI", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
   font-size: 10pt;
   margin: 0;
   padding: 0;
@@ -1066,15 +1066,15 @@ TalkingUI > * {
   background-color: #FFF;
 }
 
-TalkingUI [selected="false"] {
+TalkingUI [selected=false] {
   background-color: #FFF;
 }
 
-TalkingUI [selected="false"]:hover {
+TalkingUI [selected=false]:hover {
   background-color: #eee;
 }
 
-TalkingUI [selected="true"] {
+TalkingUI [selected=true] {
   background-color: #dcedf5;
   border: 1px solid #97b5c6;
 }
diff --git a/themes/Default/source/Imports/Dark Definitions.scss b/themes/Default/source/Imports/Dark Definitions.scss
index 7f6c3651fa8..c3cb2392d6d 100644
--- a/themes/Default/source/Imports/Dark Definitions.scss	
+++ b/themes/Default/source/Imports/Dark Definitions.scss	
@@ -73,7 +73,7 @@ $checkbox: url(skin:controls/checkbox_check_dark.svg);
 $checkbox-disabled: url(skin:controls/checkbox_check_disabled.svg);
 $link: #39a5dd;
 
-$font-family: "Segoe UI", Frutiger, "Frutiger Linotype", "Dejavu Sans", "Helvetica Neue", Arial, sans-serif;
+$font-family: "Segoe UI", Frutiger, "Frutiger Linotype", "Dejavu Sans", "Helvetica Neue", "Microsoft YaHei UI", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
 $font-size-bigger: 13pt;
 $font-size-big: 12pt;
 $font-size-normal: 10pt;
diff --git a/themes/Default/source/Imports/Lite Definitions.scss b/themes/Default/source/Imports/Lite Definitions.scss
index 3084c9c2486..cd1f9976f01 100644
--- a/themes/Default/source/Imports/Lite Definitions.scss	
+++ b/themes/Default/source/Imports/Lite Definitions.scss	
@@ -73,7 +73,7 @@ $checkbox: url(skin:controls/checkbox_check_lite.svg);
 $checkbox-disabled: url(skin:controls/checkbox_check_disabled.svg);
 $link: #0b8eb2;
 
-$font-family: "Segoe UI", Frutiger, "Frutiger Linotype", "Dejavu Sans", "Helvetica Neue", Arial, sans-serif;
+$font-family: "Segoe UI", Frutiger, "Frutiger Linotype", "Dejavu Sans", "Helvetica Neue", "Microsoft YaHei UI", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
 $font-size-bigger: 13pt;
 $font-size-big: 12pt;
 $font-size-normal: 10pt;