fix(HomePage): 添加打卡提交前的输入验证

在提交打卡内容前，添加了对打卡项目和打卡内容的验证。如果未选择打卡项目或未输入打卡内容，将显示相应的提示信息，避免用户提交无效数据。

@@ -489,6 +489,8 @@ import SummerCampCard from '@/components/ui/SummerCampCard.vue'
 import { courses, liveStreams, activities, checkInTypes, userRecommendations } from '@/utils/mockData'
 import { courses, liveStreams, activities, checkInTypes, userRecommendations } from '@/utils/mockData'
 import { useTitle } from '@vueuse/core'
 import { useTitle } from '@vueuse/core'
 import { useAuth } from '@/contexts/auth'
 import { useAuth } from '@/contexts/auth'
+import { showToast } from 'vant'
+import 'vant/lib/toast/style'
 
 
 const $route = useRoute()
 const $route = useRoute()
 const $router = useRouter()
 const $router = useRouter()
@@ -561,7 +563,14 @@ const handleCheckInSelect = (checkInType) => {
 
 
 // 处理打卡提交
 // 处理打卡提交
 const handleCheckInSubmit = () => {
 const handleCheckInSubmit = () => {
-  if (!checkInContent.value.trim()) return
+  if (!selectedCheckIn.value) {
+    showToast('请选择打卡项目')
+    return
+  }
+  if (!checkInContent.value.trim()) {
+    showToast('请输入打卡内容')
+    return
+  }
 
 
   isCheckingIn.value = true
   isCheckingIn.value = true