diff --git a/root/detail/job.vue b/root/detail/job.vue
index 95b768f..e0bd725 100644
--- a/root/detail/job.vue
+++ b/root/detail/job.vue
@@ -84,7 +84,7 @@
 						</view>
 					</view>
 					<view class="g_flex_none g_flex_column_center" style="font-size: 14px;color: #666;">
-						招聘人数：{{ Math.floor(Math.random() * 81) + 280 }}人
+						招聘人数：{{ recruitNum }}人
 					</view>
 				</view>
 				<!-- 地址 -->
@@ -635,19 +635,15 @@ export default {
 			],
 			btnLoading: false, // 报名提交按钮的loading
 			validEndTime: "", // 有效期限
+			recruitNum: 0, // 招聘人数
 		};
 	},
 	onLoad(options) {
 		let that = this;
-		// 计算当前时间顺延48小时的有效期限
-		let now = new Date();
-		let endTime = new Date(now.getTime() + 48 * 60 * 60 * 1000);
-		let year = endTime.getFullYear();
-		let month = String(endTime.getMonth() + 1).padStart(2, '0');
-		let day = String(endTime.getDate()).padStart(2, '0');
-		let hour = String(endTime.getHours()).padStart(2, '0');
-		let minute = String(endTime.getMinutes()).padStart(2, '0');
-		this.validEndTime = `${year}年${month}月${day}日${hour}:${minute} 前有效`;
+		// 计算有效期限（当前时间+48小时）
+		this.calcValidEndTime();
+		// 获取招聘人数（12小时内不更新）
+		this.getRecruitNum();
 		// console.log("详情", options);
 		// console.log("this.G.store().cdnBaseImg", this.G.store().cdnBaseImg);
 		if (options.id) {
@@ -759,6 +755,40 @@ export default {
 	},
 
 	methods: {
+		// 计算有效期限
+		calcValidEndTime() {
+			let now = new Date();
+			let endTime = new Date(now.getTime() + 48 * 60 * 60 * 1000);
+			let year = endTime.getFullYear();
+			let month = String(endTime.getMonth() + 1).padStart(2, '0');
+			let day = String(endTime.getDate()).padStart(2, '0');
+			let hour = String(endTime.getHours()).padStart(2, '0');
+			let minute = String(endTime.getMinutes()).padStart(2, '0');
+			this.validEndTime = `${year}年${month}月${day}日${hour}:${minute} 前有效`;
+		},
+		// 获取招聘人数（12小时内不更新）
+		getRecruitNum() {
+			let storageKey = 'job_recruit_num_' + this.uid;
+			let storedData = uni.getStorageSync(storageKey);
+			let now = new Date().getTime();
+			
+			if (storedData) {
+				let data = JSON.parse(storedData);
+				// 12小时内不更新
+				if (now - data.timestamp < 12 * 60 * 60 * 1000) {
+					this.recruitNum = data.num;
+					return;
+				}
+			}
+			
+			// 生成新的随机数并存储
+			let num = Math.floor(Math.random() * 81) + 280;
+			this.recruitNum = num;
+			uni.setStorageSync(storageKey, JSON.stringify({
+				num: num,
+				timestamp: now
+			}));
+		},
 		showFee() {
 			let that = this;
 			if (uni.getStorageSync("apply-token")) {