fix: 抽奖页面查看不需要登录，仅报名需要登录

frontend/src/views/user/Lotteries.vue

@@ -36,13 +36,6 @@ function formatDate(date: string) {
 }
 
 async function fetchLotteries() {
-  // 检查是否登录
-  const token = localStorage.getItem('token')
-  if (!token) {
-    loading.value = false
-    return
-  }
-  
   try {
     loading.value = true
     const res: any = await lotteryApi.list()

frontend/src/views/user/LotteryDetail.vue

@@ -46,13 +46,6 @@ function formatDate(date: string) {
 }
 
 onMounted(async () => {
-  // 检查是否登录
-  const token = localStorage.getItem('token')
-  if (!token) {
-    ElMessage.warning('请先登录后再查看抽奖详情')
-    return
-  }
-  
   try {
     const res: any = await lotteryApi.getById(Number(route.params.id))
     lottery.value = res.data