diff --git a/ruoyi-common/ruoyi-common-excel/src/main/java/org/dromara/common/excel/convert/ExcelBigNumberConvert.java b/ruoyi-common/ruoyi-common-excel/src/main/java/org/dromara/common/excel/convert/ExcelBigNumberConvert.java
index 0f4a5310f..ef69cec70 100644
--- a/ruoyi-common/ruoyi-common-excel/src/main/java/org/dromara/common/excel/convert/ExcelBigNumberConvert.java
+++ b/ruoyi-common/ruoyi-common-excel/src/main/java/org/dromara/common/excel/convert/ExcelBigNumberConvert.java
@@ -33,7 +33,7 @@ public class ExcelBigNumberConvert implements Converter<Long> {
 
     @Override
     public Long convertToJavaData(ReadCellData<?> cellData, ExcelContentProperty contentProperty, GlobalConfiguration globalConfiguration) {
-        return Convert.toLong(cellData.getData());
+        return Convert.toLong(cellData.getStringValue());
     }
 
     @Override