diff --git a/style/components/alert.less b/style/components/alert.less
index d50f43b393..4530fbfcc8 100644
--- a/style/components/alert.less
+++ b/style/components/alert.less
@@ -16,6 +16,7 @@
     margin-right: 8px;
     font-size: 14px;
     top: 1px;
+    position: relative;
   }
 
   &-description {
diff --git a/style/components/message.less b/style/components/message.less
index 522eceb526..ba15f0741e 100644
--- a/style/components/message.less
+++ b/style/components/message.less
@@ -46,5 +46,6 @@
     margin-right: 8px;
     font-size: 14px;
     top: 1px;
+    position: relative;
   }
 }
diff --git a/style/mixins/iconfont.less b/style/mixins/iconfont.less
index f2e35cb068..4c2478eced 100644
--- a/style/mixins/iconfont.less
+++ b/style/mixins/iconfont.less
@@ -1,5 +1,4 @@
 .iconfont-mixin() {
-  position: relative;
   display: inline-block;
   font-style: normal;
   vertical-align: baseline;