diff --git a/src/views/modules/recv/recv.vue b/src/views/modules/recv/recv.vue
index 71273f3..7918064 100644
--- a/src/views/modules/recv/recv.vue
+++ b/src/views/modules/recv/recv.vue
@@ -103,7 +103,17 @@
                                 spellcheck="false" />
               </el-form-item></el-col>
               <el-col :span="12"><el-form-item label="库位">
-                <el-input v-model="recvItem.locationNo" placeholder="请输入库位" /></el-form-item></el-col>
+                <el-autocomplete
+                  v-model.trim="recvItem.locationNo"
+                  :fetch-suggestions="querySearchLocation"
+                  placeholder="请输入库位"
+                  :trigger-on-focus="true"
+                  clearable
+                  style="width: 100%;"
+                  @select="handleLocationSelect"
+                  @blur="handleLocationBlur"
+                />
+              </el-form-item></el-col>
               <el-col :span="12"><el-form-item label="批号"><el-input v-model="recvItem.batchNo" placeholder="请输入批号" /></el-form-item></el-col>
               <el-col :span="8" style="margin-top: 10px"><el-form-item><el-button type="text" style="font-size: 16px;margin-left: 30px" @click="processFlag = 1">回退</el-button></el-form-item></el-col>
               <el-col :span="8" style="margin-top: 10px"><el-form-item><el-button type="text" style="font-size: 16px;margin-left: 20px" @click="receivePo">保存</el-button></el-form-item></el-col>
@@ -199,7 +209,9 @@ export default {
       warehouseId:localStorage.getItem('selectedWarehouse'),
       fullscreenLoading: false,  // 控制全屏loading
       loadingText: '加载中...',  // 动态loading文本
-      autoCalculate: true  // 自动计算包装数开关
+      autoCalculate: true,  // 自动计算包装数开关
+      locationHistoryList: [],
+      locationHistoryLimit: 20
     };
   },
   computed: {
@@ -217,6 +229,11 @@ export default {
     },
     displayLineWdr() {
       return `${this.recvItem.lineNo || ''}/${this.recvItem.releaseNo}`;
+    },
+    locationHistoryKey() {
+      // 按站点隔离，避免不同站点的库位混在同一份历史里。
+      const site = this.site || 'defaultSite';
+      return `recv_location_history_${site}`;
     }
   },
   watch: {
@@ -471,6 +488,51 @@ export default {
         }
       });
     },
+    loadLocationHistory() {
+      const rawHistory = localStorage.getItem(this.locationHistoryKey);
+      if (!rawHistory) {
+        this.locationHistoryList = [];
+        return;
+      }
+      try {
+        const parsedHistory = JSON.parse(rawHistory);
+        if (!Array.isArray(parsedHistory)) {
+          this.locationHistoryList = [];
+          return;
+        }
+        this.locationHistoryList = parsedHistory
+          .map(item => (item || '').toString().trim())
+          .filter((item, index, arr) => item && arr.indexOf(item) === index)
+          .slice(0, this.locationHistoryLimit);
+      } catch (error) {
+        console.warn('解析库位历史缓存失败:', error);
+        this.locationHistoryList = [];
+      }
+    },
+    querySearchLocation(queryString, cb) {
+      const normalizedKeyword = (queryString || '').trim().toLowerCase();
+      const historyOptions = this.locationHistoryList.map(location => ({ value: location }));
+      const result = normalizedKeyword
+        ? historyOptions.filter(item => item.value.toLowerCase().includes(normalizedKeyword))
+        : historyOptions;
+      cb(result);
+    },
+    handleLocationSelect(selectedItem) {
+      // 选中历史值后立即置顶，保证高频库位下次优先展示。
+      this.saveLocationHistory(selectedItem && selectedItem.value);
+    },
+    handleLocationBlur() {
+      // 失焦即缓存，覆盖“手输后直接切换焦点”的场景。
+      this.saveLocationHistory(this.recvItem.locationNo);
+    },
+    saveLocationHistory(locationNo) {
+      const normalizedLocation = (locationNo || '').trim();
+      if (!normalizedLocation) return;
+      const dedupedHistory = [normalizedLocation, ...this.locationHistoryList.filter(item => item !== normalizedLocation)]
+        .slice(0, this.locationHistoryLimit);
+      this.locationHistoryList = dedupedHistory;
+      localStorage.setItem(this.locationHistoryKey, JSON.stringify(dedupedHistory));
+    },
     // 校验库位
     async validateLocation() {
       if (!this.recvItem.locationNo || !this.recvItem.receiveCaseDB) {
@@ -593,6 +655,8 @@ export default {
       receivePo(receiveData).then(({ data }) => {
         if (data.code === 0) {
           this.$message.success("操作成功");
+          // 提交成功后再记一次，避免只填了默认库位、未失焦就保存时漏记。
+          this.saveLocationHistory(item.locationNo);
           this.clearAllHandlingUnitCache();
           let printLabelType;
           if (item.partNo && item.partNo.startsWith("80")) {
@@ -653,6 +717,7 @@ export default {
     },
   },
   mounted() {
+    this.loadLocationHistory();
     this.$nextTick(() => this.$refs.scanCodeRef.focus());
   },