.

src/Khd.Core.Wcs/Wcs/FirstFloor.cs

@@ -496,9 +496,10 @@ namespace Khd.Core.Wcs.Wcs
         {
             using var scope = _host.Services.CreateScope();
             using var dbContext = scope.ServiceProvider.GetRequiredService<DefaultDbContext>();
-            using var transaction = dbContext.Database.BeginTransaction();
+           
             while (true)
             {
+                using var transaction = dbContext.Database.BeginTransaction();
                 try
                 {
                     var mesCloseValue = StaticData.PlcDic[0].Read(this.mesClose.plcpointAddress);  //MES关闭状态 读