diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java
index f182fd38..ff46c367 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java
@@ -941,7 +941,8 @@ public class ExcelUtil<T>
                     CellRangeAddress cellAddress = new CellRangeAddress(subMergedFirstRowNum, subMergedLastRowNum, column, column);
                     sheet.addMergedRegion(cellAddress);
                 }
-                cell.setCellStyle(styles.get(StringUtils.format("data_{}_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor(), attr.cellType())));
+                CellStyle cellStyle = styles.get(StringUtils.format("data_{}_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor(), attr.cellType()));
+                cell.setCellStyle(cellStyle);
 
                 // 用于读取对象中的属性
                 Object value = getTargetValue(vo, field, attr);
@@ -950,6 +951,9 @@ public class ExcelUtil<T>
                 String separator = attr.separator();
                 if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value))
                 {
+                    // 设置日期格式样式
+                    cellStyle.setDataFormat(this.wb.getCreationHelper().createDataFormat().getFormat(dateFormat));
+                    cell.setCellStyle(cellStyle);
                     cell.setCellValue(parseDateToStr(dateFormat, value));
                 }
                 else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value))