diff --git a/packages/theme-chalk/src/popover.scss b/packages/theme-chalk/src/popover.scss
index 0b8b8b079e..d680572f4f 100644
--- a/packages/theme-chalk/src/popover.scss
+++ b/packages/theme-chalk/src/popover.scss
@@ -1,5 +1,6 @@
 @import 'mixins/mixins';
 @import 'common/var';
+@import 'popper';
 
 @include b(popover) {
   &.#{$namespace}-popper {