继续调整，手动开启定时任务相关逻辑代码，并处理相关bug

WarehouseMgr/Tnb.WarehouseMgr/WareHouseService.cs

@@ -211,9 +211,10 @@ namespace Tnb.WarehouseMgr
             whereExprable.And(carryStatusFilterExp);
             var whereExpr = whereExprable.ToExpression();
 
-            var policy = await _db.Queryable<WmsInstockPolicies>().Where(it => it.status == 1).FirstAsync();
+            var cyDb = _db.CopyNew();
+            var policy = await cyDb.Queryable<WmsInstockPolicies>().Where(it => it.status == 1).FirstAsync();
             if (policy == null) throw new AppFriendlyException("没有可用策略", 500);
-            var items = await _db.Queryable<WmsCarryH>().LeftJoin<WmsCarryCode>((a, b) => a.id == b.carry_id)
+            var items = await cyDb.Queryable<WmsCarryH>().LeftJoin<WmsCarryCode>((a, b) => a.id == b.carry_id)
                                        .LeftJoin<BasLocation>((a, b, c) => a.location_id == c.id)
                                        .Where(whereExpr)
                                        .OrderBy(policy.policy)
@@ -226,7 +227,7 @@ namespace Tnb.WarehouseMgr
         /// </summary>
         /// <returns></returns>
         [HttpPost, Timed(Name = nameof(IWareHouseService.GenTaskExecute))]
-        public async Task GenTaskExecute(CancellationTokenSource? cts = default)
+        public async Task GenTaskExecute(CancellationToken? ct = default)
         {
             Stopwatch sw = Stopwatch.StartNew();
             CancellationTokenSource agvCts = new();
@@ -378,13 +379,11 @@ namespace Tnb.WarehouseMgr
             {
                 Log.Error("生成预任务执行时出现错误", ex);
                 await db.Ado.RollbackTranAsync();
-                cts?.Cancel();
                 throw;
             }
             finally
             {
                 agvCts.Dispose();
-                cts?.Dispose();
             }
         }
         /// <summary>