加入接取比价任务最多10个

src/Coldairarrow.Business/HuiYan/pricetasklogBusiness.cs

@@ -280,6 +280,14 @@ namespace Coldairarrow.Business.HuiYan
                 return Error("任务不存在！");
             }
 
+
+
+            var nowCount = Db.GetIQueryable<pricetasklog>().Count(c => c.State != PriceTaskState.比价完成 && c.State != PriceTaskState.已比价 && c.UserId == _operator.UserId);
+            if (nowCount >= 10)
+            {
+                return Error("任务接取已达上限！");
+            }
+
             var result = Db.RunTransaction(() =>
             {
                 string orderId = DateTime.Now.ToString("yyyyMMddHHmmssff");