diff --git a/src/api/po/po.js b/src/api/po/po.js
index 06871e7..b8cc186 100644
--- a/src/api/po/po.js
+++ b/src/api/po/po.js
@@ -4,6 +4,9 @@ import { createAPI } from "@/utils/httpRequest.js";
 // 获取采购单信息
 export const getPoList = data => createAPI(`po/getPoList`,'post',data)
 
+// 查询物料有效期天数，用于登记到达时预填失效日期
+export const getPartShelfLife = data => createAPI(`po/getPartShelfLife`,'post',data)
+
 // 接收采购单信息
 export const receivePo = data => createAPI(`po/receivePo`,'post',data)
 
diff --git a/src/views/modules/recv/recv.vue b/src/views/modules/recv/recv.vue
index 7918064..bd261eb 100644
--- a/src/views/modules/recv/recv.vue
+++ b/src/views/modules/recv/recv.vue
@@ -77,9 +77,17 @@
               <el-col :span="6"> <el-form-item label="高度(mm)">
                 <el-input v-model="recvItem.height" />
               </el-form-item></el-col>
-              <el-col :span="18"><el-form-item label="送货单信息">
+              <el-col :span="8"><el-form-item label="送货单信息">
                 <el-input v-model="recvItem.deliveryNote" />
               </el-form-item></el-col>
+              <el-col :span="10"><el-form-item label="失效日期">
+                <el-date-picker v-model="recvItem.expiredDate" type="date" format="yyyy-MM-dd"
+                                value-format="yyyy-MM-dd" placeholder="请选择" style="width: 100%"
+                                inputmode="none"
+                                autocomplete="off"
+                                autocorrect="off"
+                                spellcheck="false" />
+              </el-form-item></el-col>
               <el-col :span="12"><el-form-item label="供应商生产日期">
                 <el-date-picker v-model="recvItem.supplierManufactureDate" type="date" format="yyyy-MM-dd"
                                 value-format="yyyy-MM-dd" placeholder="请选择" style="width: 100%"
@@ -193,7 +201,7 @@
 </template>
 
 <script>
-import { getPoList, receivePo, printLabel, getNextItemNo, validateLocationForReceiveCase,getPartAttributeInfo } from "@/api/po/po.js";
+import { getPoList, receivePo, printLabel, getNextItemNo, validateLocationForReceiveCase, getPartAttributeInfo, getPartShelfLife } from "@/api/po/po.js";
 import { filterRowsByAuthorizedSubSite, getAuthorizedSubSiteCodeList } from "@/utils/subSiteAuth.js";
 
 export default {
@@ -211,7 +219,9 @@ export default {
       loadingText: '加载中...',  // 动态loading文本
       autoCalculate: true,  // 自动计算包装数开关
       locationHistoryList: [],
-      locationHistoryLimit: 20
+      locationHistoryLimit: 20,
+      // 上次参与计算的有效期和基准日。基准日没变时保留用户手改的失效日期。
+      expiryBaseKey: ''
     };
   },
   computed: {
@@ -250,6 +260,13 @@ export default {
       } else {
         this.$message.success('已切换到手动输入模式');
       }
+    },
+    // 基准日的日期变化后重算。只改到达时间不会覆盖已经手改的失效日期。
+    'recvItem.supplierManufactureDate'() {
+      this.refreshExpiredDate();
+    },
+    'recvItem.arrivalDate'() {
+      this.refreshExpiredDate();
     }
   },
   methods: {
@@ -366,10 +383,64 @@ export default {
         deliveryNote: row.deliveryNote || '',
         wdr:"*",
         height: height,
-        locationNo: locationNo
+        locationNo: locationNo,
+        durabilityDays: null,
+        expiredDate: ''
       };
+      // 换行后按新的基准日重算，不沿用上一行的手改结果
+      this.expiryBaseKey = '';
+      await this.loadShelfLifeAndExpiredDate(row.site, row.partNo);
       this.processFlag = 2;
     },
+    async loadShelfLifeAndExpiredDate(site, partNo) {
+      this.loadingText = '加载中...';
+      this.fullscreenLoading = true;
+      try {
+        const { data } = await getPartShelfLife({ site, partNo });
+        if (data.code === 0 && data.data) {
+          this.recvItem.durabilityDays = data.data;
+          this.refreshExpiredDate();
+        } else {
+          this.$message.warning(data.msg || '请联系工程维护产品有效期！');
+        }
+      } catch (error) {
+        console.error('获取产品有效期失败:', error);
+        this.$message.warning('获取产品有效期失败，请重试');
+      } finally {
+        this.fullscreenLoading = false;
+      }
+    },
+    // 和后端原口径一致：有供应商生产日期就用它，否则用到达日期，再加有效期天数。
+    // 只比较日期部分。到达时间变了但日期没变时，不覆盖用户手改的失效日期。
+    refreshExpiredDate() {
+      const item = this.recvItem;
+      const days = Number(item && item.durabilityDays);
+      if (!days) return;
+      const supplierDate = (item.supplierManufactureDate || '').toString().trim();
+      const arrivalDate = (item.arrivalDate || '').toString().trim();
+      const baseDate = supplierDate || arrivalDate;
+      const baseDay = baseDate ? baseDate.substring(0, 10) : '';
+      const baseKey = `${days}|${baseDay}`;
+      if (this.expiryBaseKey === baseKey) return;
+      this.expiryBaseKey = baseKey;
+      item.expiredDate = baseDate ? this.addDays(baseDate, days) : '';
+    },
+    addDays(dateText, days) {
+      const matched = /^(\d{4})-(\d{2})-(\d{2})/.exec(String(dateText).trim());
+      if (!matched) return '';
+      const date = new Date(Number(matched[1]), Number(matched[2]) - 1, Number(matched[3]));
+      date.setDate(date.getDate() + Number(days));
+      const month = String(date.getMonth() + 1).padStart(2, '0');
+      const day = String(date.getDate()).padStart(2, '0');
+      return `${date.getFullYear()}-${month}-${day}`;
+    },
+    isDateBeforeToday(dateText) {
+      const day = (dateText || '').toString().trim().substring(0, 10);
+      if (!/^\d{4}-\d{2}-\d{2}$/.test(day)) return true;
+      const now = new Date();
+      const today = `${now.getFullYear()}-${String(now.getMonth() + 1).padStart(2, '0')}-${String(now.getDate()).padStart(2, '0')}`;
+      return day < today;
+    },
     // 获取当前日期
     getCurrentDate() {
       const now = new Date();
@@ -583,6 +654,14 @@ export default {
         this.fullscreenLoading = false;
         return this.$message.error("请填写完整信息");
       }
+      if (!item.expiredDate) {
+        this.fullscreenLoading = false;
+        return this.$message.error("失效日期不能为空");
+      }
+      if (this.isDateBeforeToday(item.expiredDate)) {
+        this.fullscreenLoading = false;
+        return this.$message.error("失效日期早于当前日期，不能入库");
+      }
       if(item.qtyToReceive>item.qtyToReceive){
         this.fullscreenLoading = false;
         return this.$message.error("接收数量不能大于待收数量");
@@ -621,6 +700,7 @@ export default {
         wdr: item.wdr || '*',
         deliveryDate: item.deliveryDate,
         arrivalDate: item.arrivalDate,
+        expiredDate: item.expiredDate,
         supplierBatchNo: item.supplierBatchNo,
         deliveryNote: item.deliveryNote,
         samplePercent: item.samplePercent || 0,
@@ -762,8 +842,13 @@ export default {
   color: #ccc !important;
   cursor: not-allowed !important;
 }
-.form-section >>> .el-col {
-  margin-bottom: 2px;
+.form-section >>> .el-date-editor.el-input {
+  width: 100%;
+}
+
+.form-section >>> .el-date-editor .el-input__inner {
+  padding-left: 8px;
+  padding-right: 26px;
 }
 .status-bar {
   display: flex;