fix(mall): 修复退款金额计算逻辑

KKSU

2024-12-05 bfdf5fb50141c41246d26523d6e335223962fa94

 src/main/java/cc/mrbird/febs/mall/entity/MallExpressInfo.java

@@ -20,4 +20,6 @@
    private String expressNo;

    private String expressCom;

    private String expressCode;
}