diff --git a/src/tr-web-control/script/easyui/themes/black/easyui.css b/src/tr-web-control/script/easyui/themes/black/easyui.css
index a6dfaff..951b14e 100644
--- a/src/tr-web-control/script/easyui/themes/black/easyui.css
+++ b/src/tr-web-control/script/easyui/themes/black/easyui.css
@@ -3201,7 +3201,7 @@
   color: #fff;
 }
 .switchbutton-off {
-  background-color: #666;
+  background-color: #8a8a8a;
   color: #fff;
 }
 .switchbutton-on,
@@ -3220,7 +3220,7 @@
   position: absolute;
   top: 0;
   left: 50%;
-  background-color: #666;
+  background-color: #434343;
   color: #fff;
   border: 1px solid #555;
   -moz-box-shadow: 0 0 3px 0 #555;
@@ -3302,4 +3302,4 @@
 input, select, textarea {
   background-color: #e5e5e5;
   color: #666;
-}
\ No newline at end of file
+}