From d528498cd093ae856bc4d2a164b97c524b759882 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=A8=E5=A5=95?=
 <Leopoldthecoder@users.noreply.github.com>
Date: Fri, 24 Feb 2017 23:20:54 +0800
Subject: [PATCH] Cascader: fix parameter in change event (#3014)

---
 packages/cascader/src/menu.vue | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/cascader/src/menu.vue b/packages/cascader/src/menu.vue
index 8bfc87672..ec4e763e4 100644
--- a/packages/cascader/src/menu.vue
+++ b/packages/cascader/src/menu.vue
@@ -74,7 +74,7 @@
         if (item.__IS__FLAT__OPTIONS) {
           this.activeValue = item.value;
         } else {
-          this.activeValue.splice(menuIndex, 1, item.value);
+          this.activeValue.splice(menuIndex, this.activeValue.length - 1, item.value);
         }
         this.$emit('pick', this.activeValue);
       },