修复设备导入卡查询失败后重复重试

internal/task/device_import.go

@@ -258,22 +258,24 @@ func (h *DeviceImportHandler) processBatch(ctx context.Context, task *model.Devi
 		return
 	}
 
-	var existingCards map[string]*model.IotCard
-	var boundCards map[string]bool
+	existingCards := make(map[string]*model.IotCard)
+	boundCards := make(map[string]bool)
 	if len(allICCIDs) > 0 {
 		cards, err := h.iotCardStore.GetByICCIDs(ctx, allICCIDs)
 		if err != nil {
 			h.logger.Error("查询卡信息失败", zap.Error(err))
-		} else {
-			existingCards = make(map[string]*model.IotCard)
+			appendDeviceImportBatchQueryFailures(batch, result)
+			return
+		}
 		for _, card := range cards {
 			existingCards[card.ICCID] = card
 		}
-		}
 
 		boundCards, err = h.deviceSimBindingStore.GetBoundICCIDs(ctx, allICCIDs)
 		if err != nil {
 			h.logger.Error("查询卡绑定状态失败", zap.Error(err))
+			appendDeviceImportBatchQueryFailures(batch, result)
+			return
 		}
 	}
 
@@ -442,6 +444,17 @@ func (h *DeviceImportHandler) processBatch(ctx context.Context, task *model.Devi
 	}
 }
 
+func appendDeviceImportBatchQueryFailures(batch []utils.DeviceRow, result *deviceImportResult) {
+	for _, row := range batch {
+		result.failedItems = append(result.failedItems, model.ImportResultItem{
+			Line:   row.Line,
+			ICCID:  row.VirtualNo,
+			Reason: "数据库查询失败",
+		})
+		result.failCount++
+	}
+}
+
 func (h *DeviceImportHandler) appendDeviceCreateAudit(ctx context.Context, tx *gorm.DB, task *model.DeviceImportTask, device *model.Device) error {
 	if h.auditWriter == nil || task == nil || device == nil || device.ID == 0 {
 		return pkgerrors.New(pkgerrors.CodeInvalidStatus, "设备导入统一审计接缝未配置或资源不完整")