fix: msg_stamp.size() is unsigned,should convert to int (#2523)

TouchZZZ

2025-05-22 eccf74684743593950ad259877db7ce9ffc06e93

 web-pages/src/views/home/banner.vue

@@ -71,6 +71,10 @@
            jzmdSwiperObj: null,
            jzmdList: [
                {
                    name: '刘连响',
                    num: 300
                },                
                {
                    name: '程俊陶',
                    num: 300
                },