* bug fix

src/pages/statistical/consultant/visitNum.jsx

@@ -138,7 +138,7 @@ function record(props) {
             dataIndex: 'sex',
             key: 'sex',
             align: 'center',
-            render: (_, record) => <span>{record.sex == 1 ? '男' : '女'}</span>,
+            render: (_, record) => <span>{record.sex == null ? '未知': (record.sex == 1 ? '男' : '女')}</span>,
         },
         {
             title: '访问时间',