diff --git a/superMarket-backend/src/main/java/com/shanzhu/market/common/exception/BusinessException.java b/superMarket-backend/src/main/java/com/shanzhu/market/common/exception/BusinessException.java
index 31555a4..618b012 100644
--- a/superMarket-backend/src/main/java/com/shanzhu/market/common/exception/BusinessException.java
+++ b/superMarket-backend/src/main/java/com/shanzhu/market/common/exception/BusinessException.java
@@ -1,13 +1,23 @@
 package com.shanzhu.market.common.exception;
+// 声明当前类所在的包路径（异常处理模块的基础包）
 
 import com.shanzhu.market.common.constants.HttpStatus;
+// 导入包含HTTP状态码常量的工具类
 
 public class BusinessException extends SysException {
+// 定义业务异常类，继承自系统基础异常类SysException
+
     public BusinessException(String message, Integer code) {
+        // 全参数构造方法（接收自定义错误消息和数字状态码）
+
         super(message, code);
+        // 调用父类构造器初始化异常基类属性
     }
 
     public BusinessException(String msg) {
+        // 简化构造方法（仅接收错误消息参数）
+
         super(msg, HttpStatus.CODE_BUSINESS_ERROR);
+        // 调用父类构造器，使用预定义的业务异常状态码常量
     }
 }