diff --git a/src/components/GlobalHeader/index.less b/src/components/GlobalHeader/index.less
index 1a3cf7dbd3d39ec53cc3464dc24fafb140c288d8..52f5ed4f6e5a45ff2354d1d6bc79cee7f60100ec 100644
--- a/src/components/GlobalHeader/index.less
+++ b/src/components/GlobalHeader/index.less
@@ -55,7 +55,6 @@ i.trigger {
     transition: all 0.3s;
     height: 100%;
     > i {
-      font-size: 18px;
       vertical-align: middle;
       color: @text-color;
     }
diff --git a/src/components/NoticeIcon/index.less b/src/components/NoticeIcon/index.less
index 4f66bbb8a66a291e44d0362badb43782e843cd55..794376b51e5bee7729ec4f1db8b24a7ea87da6cd 100644
--- a/src/components/NoticeIcon/index.less
+++ b/src/components/NoticeIcon/index.less
@@ -14,7 +14,6 @@
 }
 
 .icon {
-  font-size: 18px;
   padding: 4px;
 }