diff --git a/packages/theme-chalk/src/cascader.scss b/packages/theme-chalk/src/cascader.scss
index ad6d69446f..81dd167cf3 100644
--- a/packages/theme-chalk/src/cascader.scss
+++ b/packages/theme-chalk/src/cascader.scss
@@ -83,15 +83,12 @@
       box-shadow: $--cascader-menu-shadow;
 
       .el-popper__arrow {
-        left: 35px;
         &::before {
           border: $--cascader-menu-border;
         }
       }
 
       &[data-popper-placement^="top"] {
-        transform-origin: bottom center;
-
         .el-popper__arrow::before {
           border-top-color: transparent;
           border-left-color: transparent;
diff --git a/packages/theme-chalk/src/common/transition.scss b/packages/theme-chalk/src/common/transition.scss
index cef08c9cbe..34d64966f6 100644
--- a/packages/theme-chalk/src/common/transition.scss
+++ b/packages/theme-chalk/src/common/transition.scss
@@ -45,6 +45,10 @@
   transform: scaleY(1);
   transition: $--md-fade-transition;
   transform-origin: center top;
+
+  &[data-popper-placement^="top"] {
+    transform-origin: center bottom;
+  }
 }
 .el-zoom-in-top-enter-from,
 .el-zoom-in-top-leave-active {