diff --git a/src/less/base/view/drawer.less b/src/less/base/view/drawer.less
index f364457e3..294c6fb3d 100644
--- a/src/less/base/view/drawer.less
+++ b/src/less/base/view/drawer.less
@@ -1,6 +1,6 @@
 @import "../../index";
 
 .bi-drawer {
-  .box-shadow(-6px 0 16px -8px #00000014, -9px 0 28px #0000000d, -12px 0 48px 16px #00000008);
+  .box-shadows(-6px 0 16px -8px #00000014, -9px 0 28px #0000000d, -12px 0 48px 16px #00000008);
   .transition(transform .3s cubic-bezier(.23, 1, .32, 1), box-shadow .3s cubic-bezier(.23, 1, .32, 1));
 }