From 00c5028d8d121f7102a4eb3e2db3ad3fd87c62a3 Mon Sep 17 00:00:00 2001
From: lirilsu <god@liril.net>
Date: Wed, 18 Oct 2017 16:11:47 +0800
Subject: [PATCH] Table: Expand rows when set `expand-row-keys`

---
 packages/table/src/table.vue | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/packages/table/src/table.vue b/packages/table/src/table.vue
index d517f3878..e4cf4a549 100644
--- a/packages/table/src/table.vue
+++ b/packages/table/src/table.vue
@@ -443,8 +443,13 @@
         }
       },
 
-      expandRowKeys(newVal) {
-        this.store.setExpandRowKeys(newVal);
+      expandRowKeys: {
+        immediate: true,
+        handler(newVal) {
+          if (newVal) {
+            this.store.setExpandRowKeys(newVal);
+          }
+        }
       }
     },