diff --git a/src/utils/format.ts b/src/utils/format.ts
index 52b14b7..946c59c 100644
--- a/src/utils/format.ts
+++ b/src/utils/format.ts
@@ -1,10 +1,13 @@
 // 通用格式化 / 校验纯函数（无状态，供 composable 与页面复用）。
 
 /** Date → `YYYY-MM-DD` */
-export const formatDate = (date: Date): string => {
-  const year = date.getFullYear();
-  const month = String(date.getMonth() + 1).padStart(2, "0");
-  const day = String(date.getDate()).padStart(2, "0");
+export const formatDate = (date: Date | string): string => {
+  const transformedDate = typeof date === "string" ? new Date(date) : date;
+  if (Number.isNaN(transformedDate.getTime())) return "";
+
+  const year = transformedDate.getFullYear();
+  const month = String(transformedDate.getMonth() + 1).padStart(2, "0");
+  const day = String(transformedDate.getDate()).padStart(2, "0");
   return `${year}-${month}-${day}`;
 };
 
diff --git a/src/views/reception/ReceptionTask.vue b/src/views/reception/ReceptionTask.vue
index ab0a09f..3474ba2 100644
--- a/src/views/reception/ReceptionTask.vue
+++ b/src/views/reception/ReceptionTask.vue
@@ -32,7 +32,7 @@
           <div class="flex items-center gap-8">
             <span class="min-w-0 truncate text-[4rem] font-600 leading-none text-[#000]">{{ item.studentName || "-" }}</span>
             <span class="shrink-0 rounded-2 bg-[#E7F2FF] px-4 py-3 text-[2.5rem] leading-none text-[#1580FF]">
-              签到:{{ formatCheckinTime(item.checkinTime) }}
+              签到:{{ formatDate(item.checkinTime) }}
             </span>
             <span
               v-if="activeTab === 'available' && item.waitingMinutes > 0"
@@ -90,6 +90,7 @@
   import "vant/es/tabs/style";
   import type { ReceptionTaskDTO } from "@/api/reception";
   import { useReceptionTasks, type ReceptionTaskTab } from "@/composables/useReceptionTasks";
+  import { formatDate } from "@/utils/format";
 
   const tabs: ReadonlyArray<{ label: string; value: ReceptionTaskTab }> = [
     { label: "待接待", value: "available" },
@@ -99,10 +100,7 @@
   const router = useRouter();
   const { activeTab, tasks, loading, finished, error, claimingTaskId, showEmpty, emptyText, loadNextPage, claimTask } = useReceptionTasks(20);
 
-  const formatCheckinTime = (value: string): string => {
-    const normalized = value.replace("T", " ");
-    return normalized.length >= 16 ? normalized.slice(5, 16) : normalized || "-";
-  };
+
 
   const formatDateOnly = (value: string): string => value.split(/[T ]/, 1)[0] || "-";
 
diff --git a/src/views/teacher/InvitationData.vue b/src/views/teacher/InvitationData.vue
index 21111a0..50eb71e 100644
--- a/src/views/teacher/InvitationData.vue
+++ b/src/views/teacher/InvitationData.vue
@@ -1,49 +1,27 @@
 <template>
   <main class="invitation-data min-h-full bg-[#F5F5F5]">
     <div class="sticky top-0 z-10 bg-white">
-      <VanSearch
-        v-model="searchKeyword"
-        class="invitation-data__search"
-        background="#fff"
-        placeholder="请输入学生姓名"
-        autocomplete="off"
-        enterkeyhint="search"
-        clearable
-        @search="submitSearch"
-        @clear="clearSearch" />
+      <VanSearch v-model="searchKeyword" class="invitation-data__search" background="#fff" placeholder="请输入学生姓名"
+        autocomplete="off" enterkeyhint="search" clearable @search="submitSearch" @clear="clearSearch" />
 
-      <VanTabs
-        v-model:active="activeFilter"
-        class="invitation-data__tabs"
-        line-width="24px"
-        line-height="2px"
-        :swipe-threshold="6"
-        color="#1580ff"
-        title-active-color="#000"
-        title-inactive-color="#999">
+      <VanTabs v-model:active="activeFilter" class="invitation-data__tabs" line-width="24px" line-height="2px"
+        :swipe-threshold="6" color="#1580ff" title-active-color="#000" title-inactive-color="#999">
         <VanTab v-for="tab in tabs" :key="tab.value" :name="tab.value" :title="tab.label" />
       </VanTabs>
     </div>
 
-    <VanList
-      v-model:loading="loading"
-      :finished="finished"
-      :error="error"
-      :finished-text="records.length ? '没有更多了' : ''"
-      error-text="加载失败，点击重试"
-      @load="loadNextPage"
+    <VanList v-model:loading="loading" :finished="finished" :error="error"
+      :finished-text="records.length ? '没有更多了' : ''" error-text="加载失败，点击重试" @load="loadNextPage"
       @update:error="(value: boolean) => (error = value)">
-      <VanEmpty
-        v-if="showEmpty"
-        class="my-auto mt-40"
-        image="https://lw-zk.oss-cn-hangzhou.aliyuncs.com/inviteReception/icon_zanwu.png"
-        :image-size="[186, 144]"
+      <VanEmpty v-if="showEmpty" class="my-auto mt-40"
+        image="https://lw-zk.oss-cn-hangzhou.aliyuncs.com/inviteReception/icon_zanwu.png" :image-size="[186, 144]"
         description="暂无数据" />
 
       <div v-else class="flex flex-col gap-12 px-15 py-15">
         <article v-for="record in records" :key="record.id" class="rounded-8 bg-white p-15">
           <div class="flex items-center justify-between gap-10">
-            <h2 class="min-w-0 flex-1 truncate text-[4rem] font-600 leading-none text-[#000]">{{ record.studentName }}</h2>
+            <h2 class="min-w-0 flex-1 truncate text-[4rem] font-600 leading-none text-[#000]">{{ record.studentName }}
+            </h2>
             <span class="shrink-0 text-[3.25rem] leading-none" :style="{ color: getStatusColor(record.statusName) }">
               {{ record.statusName }}
             </span>
@@ -52,7 +30,7 @@
           <div class="mt-15 flex flex-col gap-8 text-[3.25rem] text-[#333]">
             <p class="m-0">
               <span class="text-[#666]">预约:</span>
-              {{ record.visitDate }}
+              {{ formatDate(record.visitDate) }}
             </p>
             <p v-if="record.graduateSchoolName" class="m-0">
               <span class="text-[#666]">院校:</span>
@@ -70,70 +48,71 @@
 </template>
 
 <script setup lang="ts">
-  import { Empty as VanEmpty, List as VanList, Search as VanSearch, Tab as VanTab, Tabs as VanTabs } from "vant";
-  import "vant/es/empty/style";
-  import "vant/es/list/style";
-  import "vant/es/search/style";
-  import "vant/es/tab/style";
-  import "vant/es/tabs/style";
-  import type { InvitationPageFilter } from "@/api/admission";
-  import { useTeacherInvitationData } from "@/composables/useTeacherInvitationData";
+import { Empty as VanEmpty, List as VanList, Search as VanSearch, Tab as VanTab, Tabs as VanTabs } from "vant";
+import "vant/es/empty/style";
+import "vant/es/list/style";
+import "vant/es/search/style";
+import "vant/es/tab/style";
+import "vant/es/tabs/style";
+import type { InvitationPageFilter } from "@/api/admission";
+import { useTeacherInvitationData } from "@/composables/useTeacherInvitationData";
+import { formatDate } from "@/utils/format"
 
-  const tabs: ReadonlyArray<{ label: string; value: InvitationPageFilter }> = [
-    { label: "全部邀约", value: "all" },
-    { label: "待到访", value: "pending" },
-    { label: "已到访", value: "arrived" },
-    { label: "未到访", value: "noShow" },
-    { label: "已缴费", value: "paid" },
-  ];
+const tabs: ReadonlyArray<{ label: string; value: InvitationPageFilter }> = [
+  { label: "全部邀约", value: "all" },
+  { label: "待到访", value: "pending" },
+  { label: "已到访", value: "arrived" },
+  { label: "未到访", value: "noShow" },
+  { label: "已缴费", value: "paid" },
+];
 
-  const { searchKeyword, activeFilter, records, loading, finished, error, showEmpty, loadNextPage, submitSearch, clearSearch } = useTeacherInvitationData(20);
+const { searchKeyword, activeFilter, records, loading, finished, error, showEmpty, loadNextPage, submitSearch, clearSearch } = useTeacherInvitationData(20);
 
-  const statusColors: Readonly<Record<string, string>> = {
-    待到访: "#06C764",
-    已到访: "#1580FF",
-    已完成: "#1580FF",
-    未到访: "#969696",
-  };
+const statusColors: Readonly<Record<string, string>> = {
+  待到访: "#06C764",
+  已到访: "#1580FF",
+  已完成: "#1580FF",
+  未到访: "#969696",
+};
 
-  const getStatusColor = (statusName: string): string => statusColors[statusName] ?? "#666666";
+const getStatusColor = (statusName: string): string => statusColors[statusName] ?? "#666666";
 </script>
 
 <style scoped>
-  :global(.invitation-data) {
-    --van-search-padding: 4px 15px 0;
-    --van-search-content-background: #f3f4f8;
-    --van-search-input-height: 38px;
-    --van-tab-font-size: 15px;
-  }
+:global(.invitation-data) {
+  --van-search-padding: 4px 15px 0;
+  --van-search-content-background: #f3f4f8;
+  --van-search-input-height: 38px;
+  --van-tab-font-size: 15px;
+}
 
-  :global(.invitation-data .van-search__content) {
-    border-radius: 81px;
-    --van-field-placeholder-text-color: #c0c4cc;
-    --van-padding-sm: 15px;
-  }
+:global(.invitation-data .van-search__content) {
+  border-radius: 81px;
+  --van-field-placeholder-text-color: #c0c4cc;
+  --van-padding-sm: 15px;
+}
 
-  :global(.invitation-data .van-field__left-icon) {
-    --van-field-icon-size: 14px;
-    --van-padding-base: 5px;
-    line-height: 1;
-  }
+:global(.invitation-data .van-field__left-icon) {
+  --van-field-icon-size: 14px;
+  --van-padding-base: 5px;
+  line-height: 1;
+}
 
-  :global(.invitation-data .van-tabs--line .van-tabs__wrap) {
-    --van-tabs-line-height: 38px;
-  }
+:global(.invitation-data .van-tabs--line .van-tabs__wrap) {
+  --van-tabs-line-height: 38px;
+}
 
-  :deep(.van-tab) {
-    --van-tab-font-size: 15px;
-    --van-font-bold: 400;
-  }
+:deep(.van-tab) {
+  --van-tab-font-size: 15px;
+  --van-font-bold: 400;
+}
 
-  :deep(.van-tab--active) {
-    --van-tab-font-size: 16px;
-    --van-font-bold: 500;
-  }
+:deep(.van-tab--active) {
+  --van-tab-font-size: 16px;
+  --van-font-bold: 500;
+}
 
-  :deep(.van-empty) {
-    --van-empty-padding: 50% 0;
-  }
+:deep(.van-empty) {
+  --van-empty-padding: 50% 0;
+}
 </style>