diff --git a/snail-job-datasource/snail-job-datasource-template/src/main/java/com/aizuda/snailjob/template/datasource/persistence/po/SystemUser.java b/snail-job-datasource/snail-job-datasource-template/src/main/java/com/aizuda/snailjob/template/datasource/persistence/po/SystemUser.java
index 584160909..8e2bc8674 100644
--- a/snail-job-datasource/snail-job-datasource-template/src/main/java/com/aizuda/snailjob/template/datasource/persistence/po/SystemUser.java
+++ b/snail-job-datasource/snail-job-datasource-template/src/main/java/com/aizuda/snailjob/template/datasource/persistence/po/SystemUser.java
@@ -16,9 +16,7 @@ import java.time.LocalDateTime;
  */
 @Data
 @TableName("sj_system_user")
-public class SystemUser implements Serializable {
-
-    private static final long serialVersionUID = 1L;
+public class SystemUser extends CreateUpdateDt {
 
     @TableId(value = "id", type = IdType.AUTO)
     private Long id;
@@ -29,8 +27,4 @@ public class SystemUser implements Serializable {
 
     private Integer role;
 
-    private LocalDateTime createDt;
-
-    private LocalDateTime updateDt;
-
 }