diff --git a/src/components/cascader/index.vue b/src/components/cascader/index.vue
index 1cdb300..2d650e3 100644
--- a/src/components/cascader/index.vue
+++ b/src/components/cascader/index.vue
@@ -78,8 +78,7 @@ const change = () => {
 };
 const getCheckedNodes = () => {
   return cascaderRef.value
-    .getCheckedNodes()[0]
-    .pathLabels.join(props.joinSeparator);
+    .getCheckedNodes()?.[0]?.pathLabels?.join(props.joinSeparator) || "";
 };
 defineExpose({
   getCheckedNodes,