fix: 配送点编码重复时返回中文提醒

backend/api/internal/logic/gas/delivery.go

@@ -61,7 +61,7 @@ func CreateDelivery(ctx *gin.Context) {
 		Name: request.Name, Principal: request.Principal, Address: request.Address,
 	}
 	if err := impl.DBService.Create(&delivery).Error; err != nil {
-		infra.Response.Error(ctx, err)
+		infra.Response.Error(ctx, common.DeliveryCreateError(err))
 		return
 	}
 	common.RespondCreatedResource(ctx, delivery)