From efc8fbd388282cfe1ee178093059c7df9bc748c1 Mon Sep 17 00:00:00 2001
From: qimengjie <qimengjie@163.com>
Date: Fri, 26 Jul 2019 10:29:51 +0800
Subject: [PATCH] fix: #2

---
 src/index.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/index.js b/src/index.js
index aeb2515..5814dc9 100644
--- a/src/index.js
+++ b/src/index.js
@@ -120,12 +120,12 @@ Component({
             _multiArrayColumn0.push(item[shownFieldName])
           }
 
-          if (item[shownFieldName] && index === (defaultIndex[columnIndex] || 0)) {
+          if (isExist(item[shownFieldName]) && index === (defaultIndex[columnIndex] || 0)) {
             // 选中的索引和值，默认取每列的第0个
             multiIndex.push(index)
 
             if (columnIndex < steps - 1) {
-              if (item[subsetFieldName]) {
+              if (isExist(item[subsetFieldName])) {
                 // 开始处理下一维的数据
                 const _subsetArr = item[subsetFieldName].map(sub => sub[shownFieldName])
                 multiArray.push(_subsetArr)