fix: 数据库标准化管理对null没有进行处理导致页面报错

src/pages/database/ManagementDataBase.jsx

@@ -288,7 +288,7 @@ const ManagementDataBase = () => {
       key: 'Errlog',
       ellipsis: true,
       render: text => {
-        if (text.length > 0) {
+        if (text && text.length > 0) {
           return (
             <Button
               size="small"