修bug

src/views/pms/PigBatchManagementView.vue

@@ -120,8 +120,9 @@ export default {
         const pens = Array.isArray(pensResponse.data) ? pensResponse.data : [];
         const houses = Array.isArray(housesResponse.data) ? housesResponse.data : [];
 
-        // 更新 houseMap
+        // 更新 batchMap 和 houseMap
         this.houseMap = new Map(houses.map(h => [h.id, h.name]));
+        this.batchMap = new Map(batches.map(batch => [batch.id, batch.batch_number]));
         this.pigBatchesData = this.assembleData(batches, pens);
 
       } catch (err) {
@@ -142,7 +143,8 @@ export default {
         if (pen.pig_batch_id && batchMap.has(pen.pig_batch_id)) {
           const penWithDetails = {
             ...pen,
-            house_name: this.houseMap.get(pen.house_id) || '未知猪舍'
+            house_name: this.houseMap.get(pen.house_id) || '未知猪舍',
+            batch_number: batchMap.get(pen.pig_batch_id)?.batch_number || null // 添加这一行
           };
           batchMap.get(pen.pig_batch_id).pens.push(penWithDetails);
         }
@@ -257,7 +259,6 @@ export default {
     },
     async handleAssignPenToBatch({ batchId, penId }) {
       try {
-        // Corrected the request body to use penIds (camelCase)
         await assignPensToBatch(batchId, { penIds: [penId] });
         this.$message.success('猪栏分配成功');
         await this.loadData(); // Refresh data to show assigned pen