1、新增预任务生成帮助类

2、齐套配送接口参数调整

WarehouseMgr/Tnb.WarehouseMgr/WmsPurchaseAndSaleCommonService.cs

@@ -28,7 +28,7 @@ namespace Tnb.WarehouseMgr
     /// 采购收货、销售发货，通用业务类
     /// </summary>
     /// <typeparam name="TSubEntity"></typeparam>
-    public class WmsPurchaseAndSaleCommonService<TSubEntity> : BaseWareHouseService where TSubEntity : BaseEntity<string>, IPurchaseAndSaleEntity, IPurchaseAndSaleQueryEntity,new()
+    public class WmsPurchaseAndSaleCommonService<TSubEntity> : BaseWareHouseService where TSubEntity : BaseEntity<string>, IPurchaseAndSaleEntity, IPurchaseAndSaleQueryEntity, new()
     {
         private readonly ISqlSugarClient _db;
         private readonly IUserManager _userManager;
@@ -103,8 +103,7 @@ namespace Tnb.WarehouseMgr
                     }
                 }
             }
-
-            return await Task.FromResult(purchaseDs);
+            return purchaseDs ?? Enumerable.Empty<TSubEntity>().ToList();
         }