diff --git a/src/cascader/core/effect.ts b/src/cascader/core/effect.ts
index 497d5868f..dd329d9c9 100644
--- a/src/cascader/core/effect.ts
+++ b/src/cascader/core/effect.ts
@@ -27,7 +27,7 @@ export function expendClickEffect(
 
   if (isDisabled) return;
   // 点击展开节点，设置展开状态
-  if (propsTrigger === trigger && !node.isLeaf()) {
+  if (propsTrigger === trigger) {
     const expanded = node.setExpanded(true);
     treeStore.refreshNodes();
     treeStore.replaceExpanded(expanded);