diff --git a/README.md b/README.md
index d345eea1..7462baca 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@
 
 **开发文档：**  [https://el-admin.vip](https://el-admin.vip)
 
-**体验地址：**  [https://el-admin.xin](https://el-admin.xin)
+**体验地址：**  [https://el-admin.vip/demo](https://el-admin.vip/demo)
 
 **账号密码：** `admin / 123456`
 
diff --git a/eladmin-common/src/main/java/me/zhengjie/utils/FileUtil.java b/eladmin-common/src/main/java/me/zhengjie/utils/FileUtil.java
index 3ac841d1..0d8d5fb4 100644
--- a/eladmin-common/src/main/java/me/zhengjie/utils/FileUtil.java
+++ b/eladmin-common/src/main/java/me/zhengjie/utils/FileUtil.java
@@ -253,7 +253,7 @@ public class FileUtil extends cn.hutool.core.io.FileUtil {
         // 1M
         int len = 1024 * 1024;
         if (size > (maxSize * len)) {
-            throw new BadRequestException("文件超出规定大小");
+            throw new BadRequestException("文件超出规定大小:" + maxSize + "MB");
         }
     }