diff --git a/src/public/themes/basic.less b/src/public/themes/basic.less
index a9daec38..19ece879 100644
--- a/src/public/themes/basic.less
+++ b/src/public/themes/basic.less
@@ -57,7 +57,7 @@ html,body {
 }
 body {
   font-family: @fontFamily;
-  font-weight: 300;
+  font-weight: normal;
   font-size: @fontSize;
 }
 h1, h2, h3 {
diff --git a/src/public/themes/default.css b/src/public/themes/default.css
index 8041ff30..6c718f7d 100644
--- a/src/public/themes/default.css
+++ b/src/public/themes/default.css
@@ -49,7 +49,7 @@
 }
 body {
   font-family: 'Open Sans', 'Helvetica Neue', Arial, 'Hiragino Sans GB', 'Microsoft YaHei', 'WenQuanYi Micro Hei', "WenQuanYi Micro Hei", "Droid Sans Mono", "Droid Sans Fallback", sans-serif;
-  font-weight: 300;
+  font-weight: normal;
   font-size: 14px;
 }
 h1,