fix(sales): 修正统计起始日期计算月份数

buhuazhen

2026-04-21 c6cf54951e6692ecabf8c3e5b6cf5c66d315ce7f

 src/main/java/com/ruoyi/basic/dto/CustomerDto.java

@@ -21,4 +21,8 @@

    private List<CustomerFollowUpDto> followUpList;

    private String usageUserName;

    private String togetherUserNames;

}