diff --git a/ruoyi-common/ruoyi-common-excel/src/main/java/org/dromara/common/excel/utils/ExcelUtil.java b/ruoyi-common/ruoyi-common-excel/src/main/java/org/dromara/common/excel/utils/ExcelUtil.java
index 856699ae0..b22e6f987 100644
--- a/ruoyi-common/ruoyi-common-excel/src/main/java/org/dromara/common/excel/utils/ExcelUtil.java
+++ b/ruoyi-common/ruoyi-common-excel/src/main/java/org/dromara/common/excel/utils/ExcelUtil.java
@@ -192,7 +192,7 @@ public class ExcelUtil {
             .registerWriteHandler(new LongestMatchColumnWidthStyleStrategy())
             // 大数值自动转换 防止失真
             .registerConverter(new ExcelBigNumberConvert())
-            .registerWriteHandler(new DataWriteHandler(list.get(0).getClass()))
+            .registerWriteHandler(new DataWriteHandler(clazz))
             .sheet(sheetName);
         if (merge) {
             // 合并处理器