fix：会员保存空指针

cloudroam

2024-08-30 a3fbc3990b6bfb39aacc7edad459a762628526ba

 src/main/java/com/mzl/flower/entity/customer/Customer.java

@@ -42,4 +42,6 @@
    @ApiModelProperty("店铺简介")
    private String description;

    @ApiModelProperty("等级id")
    private Long levelId;
}