diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
index 494fb4b..d950b77 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
@@ -476,7 +476,7 @@ public class ExcelUtil<T>
     {
         if (ColumnType.STRING == attr.cellType())
         {
-            cell.setCellType(CellType.NUMERIC);
+            cell.setCellType(CellType.STRING);
             cell.setCellValue(StringUtils.isNull(value) ? attr.defaultValue() : value + attr.suffix());
         }
         else if (ColumnType.NUMERIC == attr.cellType())