update job cycle null point issue

CyberX8_RT/Dispatch/JobProcesser.cs

@@ -733,7 +733,7 @@ namespace CyberX8_RT.Dispatch
                     foreach (var pjSlotWafer in pj.SlotWafers)
                     {
                         WaferInfo wafer = WaferManager.Instance.GetWafer(pjSlotWafer.Item1, pjSlotWafer.Item2);
-                        wafer.ProcessJob = null;
+                        wafer.ProcessJob = pj;
                         wafer.NextSequenceStep = 0;
                         wafer.ProcessState = EnumWaferProcessStatus.Idle;
                     }