diff --git a/components/badge/style/index.less b/components/badge/style/index.less
index 16f25bdbf7..336e4dbc38 100644
--- a/components/badge/style/index.less
+++ b/components/badge/style/index.less
@@ -24,6 +24,7 @@
     text-align: center;
     padding: 0 6px;
     font-size: @badge-font-size;
+    font-weight: @badge-font-weight;
     white-space: nowrap;
     transform-origin: -10% center;
     box-shadow: 0 0 0 1px #fff;
diff --git a/components/style/themes/default.less b/components/style/themes/default.less
index e8a1de0e09..343e374e31 100644
--- a/components/style/themes/default.less
+++ b/components/style/themes/default.less
@@ -362,6 +362,7 @@
 @badge-height: 20px;
 @badge-dot-size: 6px;
 @badge-font-size: @font-size-sm;
+@badge-font-weight: normal;
 @badge-status-size: 6px;
 
 // Rate