From 2fdbf5d2206014f199e939bc5b17fb0497e195a8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=90=B4=E5=A4=9A=E7=9B=8A?= <wuduoyi@baidu.com>
Date: Wed, 29 Sep 2021 15:55:01 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=20property=20?=
 =?UTF-8?q?=E7=BB=84=E4=BB=B6=E5=9C=A8=E5=88=9D=E5=A7=8B=E6=97=A0=E6=95=B0?=
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---
 docs/zh-CN/components/property.md | 2 +-
 src/renderers/Property.tsx        | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/docs/zh-CN/components/property.md b/docs/zh-CN/components/property.md
index da3844b8d..fe7e46cb4 100644
--- a/docs/zh-CN/components/property.md
+++ b/docs/zh-CN/components/property.md
@@ -196,7 +196,7 @@ order: 60
   },
   "body": {
     "type": "property",
-    "source": "items"
+    "source": "${items}"
   }
 }
 ```
diff --git a/src/renderers/Property.tsx b/src/renderers/Property.tsx
index 8bd6e7326..de87c0b60 100644
--- a/src/renderers/Property.tsx
+++ b/src/renderers/Property.tsx
@@ -120,9 +120,10 @@ export default class Property extends React.Component<PropertyProps, object> {
   prepareRows() {
     const {column = 3, items, source, data} = this.props;
 
-    const propertyItems = items
-      ? items
-      : (resolveVariable(source, data) as Array<PropertyItem>);
+    const propertyItems =
+      (items
+        ? items
+        : (resolveVariable(source, data) as Array<PropertyItem>)) || [];
 
     const rows: PropertyContent[][] = [];