展馆简介加到500字

src/pages/Exhibit/Edit.tsx

@@ -143,7 +143,7 @@ function ExhibitEdit({ id, closeFu, upList }: Props) {
               rows={4}
               placeholder="请输入内容"
               showCount
-              maxLength={300}
+              maxLength={500}
             />
           </Form.Item>