fix: 修复局长信箱多次延期申请，第二次会覆盖第一次的问题（修改为累计延期天数）

src/components/Upload.vue

@@ -44,7 +44,7 @@ const props = defineProps({
     },
     tips: {
         type: String,
-        default: "附件大小不超过1G，视频类型附件请上传核心视频。"
+        default: "上传的文件大小不能超过1G"
     }
 });
 

src/views/work/components/templates/ExtensionDetail.vue

@@ -16,11 +16,11 @@
         <div class="flex">
             <div class="col" style="width: 25%;">
                 <label>延期时长</label>
-                <span>{{ mail.extensionDays }}天</span>
+                <span>{{ mail.extension?.days }}天</span>
             </div>
             <div class="col" style="width: 75%;">
                 <label>延期理由</label>
-                <span style="width: calc(100% - 74px)">{{ mail.extensionReason }}</span>
+                <span style="width: calc(100% - 74px)">{{ mail.extension?.extensionReason }}</span>
             </div>
         </div>
         <div class="flex mt-20" v-if="getComment()">