diff --git a/src/assets/icons/iconfont.css b/src/assets/icons/iconfont.css
index d5a278ed..8585919f 100644
--- a/src/assets/icons/iconfont.css
+++ b/src/assets/icons/iconfont.css
@@ -1504,7 +1504,7 @@
   content: "\e721";
 }
 
-.icon-arrow-down:before {
+.iconfont.icon-arrow-down:before {
   content: "\e720";
 }