From bcc4ddc4380410edc2156466223bb08ca2d9c4e3 Mon Sep 17 00:00:00 2001
From: youluna <njuzhaoguoyan@foxmail.com>
Date: Tue, 15 Sep 2020 20:47:44 +0800
Subject: [PATCH] fix(Select): crash when mode=tag&&value={null}&&isPreview,
 close #2175

---
 src/select/base.jsx       |  4 ++--
 test/select/index-spec.js | 13 +++++++++++++
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/select/base.jsx b/src/select/base.jsx
index 9beb06a774..387b39ba5f 100644
--- a/src/select/base.jsx
+++ b/src/select/base.jsx
@@ -651,7 +651,7 @@ export default class Base extends React.Component {
                                 style={style}
                                 className={className}
                                 isPreview={isPreview}
-                                value={fillProps ? valueDS[fillProps] : valueDS && valueDS.label}
+                                value={valueDS ? (fillProps ? valueDS[fillProps] : valueDS.label) : ''}
                             />
                         );
                     } else {
@@ -660,7 +660,7 @@ export default class Base extends React.Component {
                                 style={style}
                                 className={className}
                                 isPreview={isPreview}
-                                value={valueDS.map(i => i.label).join(', ')}
+                                value={(valueDS || []).map(i => i.label).join(', ')}
                             />
                         );
                     }
diff --git a/test/select/index-spec.js b/test/select/index-spec.js
index 1a4fd562f9..c5a48a4163 100644
--- a/test/select/index-spec.js
+++ b/test/select/index-spec.js
@@ -338,6 +338,19 @@ describe('Select', () => {
         assert(wrapper.getDOMNode().innerText === '');
     });
 
+    it('should renderPreview mode="tag"', () => {
+        const wrapper = mount(
+            <Select
+                isPreview
+                mode="tag"
+                dataSource={[]}
+                value={null}
+            />
+        );
+
+        assert(wrapper.getDOMNode().innerText === '');
+    });
+
     it('should support children null', () => {
         wrapper.setProps({
             children: [