diff --git a/packages/MdEditor/layouts/Toolbar/index.less b/packages/MdEditor/layouts/Toolbar/index.less
index 9a3e1f98..5e246d92 100644
--- a/packages/MdEditor/layouts/Toolbar/index.less
+++ b/packages/MdEditor/layouts/Toolbar/index.less
@@ -87,7 +87,6 @@
         list-style: none;
         user-select: none;
         text-align: center;
-        font-size: 0;
 
         &-name {
           font-size: 12px;
diff --git a/packages/MdEditor/styles/preview.less b/packages/MdEditor/styles/preview.less
index 388bb6ef..09d91b4f 100644
--- a/packages/MdEditor/styles/preview.less
+++ b/packages/MdEditor/styles/preview.less
@@ -68,7 +68,7 @@
     height: 24px;
     fill: currentColor;
     overflow: hidden;
-    display: inline;
+    display: block;
   }
 
   i&-iconfont {