diff --git a/src/main/java/com/sztzjy/financial_bigdata/mapper/StuUserMapper.java b/src/main/java/com/sztzjy/financial_bigdata/mapper/StuUserMapper.java
index 42666f3..0e46e95 100644
--- a/src/main/java/com/sztzjy/financial_bigdata/mapper/StuUserMapper.java
+++ b/src/main/java/com/sztzjy/financial_bigdata/mapper/StuUserMapper.java
@@ -13,6 +13,7 @@ public interface StuUserMapper {
 
     int deleteByExample(StuUserExample example);
 
+
     int deleteByPrimaryKey(String classId);
 
     int insert(StuUser record);