diff --git a/components/style/mixins/index.less b/components/style/mixins/index.less
index 49a5eb77e0..ec3ada64dc 100644
--- a/components/style/mixins/index.less
+++ b/components/style/mixins/index.less
@@ -6,4 +6,4 @@
 @import 'iconfont';
 @import 'motion';
 @import 'reset';
-@import 'operationUnit';
+@import 'operation-unit';
diff --git a/components/style/mixins/operationUnit.less b/components/style/mixins/operation-unit.less
similarity index 100%
rename from components/style/mixins/operationUnit.less
rename to components/style/mixins/operation-unit.less