diff --git a/packages/cascader/index.ts b/packages/cascader/index.ts
index eeedb06a..e1130be6 100644
--- a/packages/cascader/index.ts
+++ b/packages/cascader/index.ts
@@ -190,6 +190,7 @@ VantComponent({
             selected: null,
           },
         ],
+        activeTab: 0,
       });
     },
     onClose() {