处理wifi重复执行绑定程序问题

AppStart/Helper/SycnSpServer/SycnSpBindService.cs

@@ -90,7 +90,7 @@ namespace MySystem
                             else
                             {
                                 PxcModels.MachineForSnNo posFor = db.MachineForSnNo.FirstOrDefault(m => m.SnNo == Bind.MerSnNo) ?? new PxcModels.MachineForSnNo();
-                                PxcModels.PosMachinesTwo pos = db.PosMachinesTwo.FirstOrDefault(m => m.Id == posFor.SnId);
+                                PxcModels.PosMachinesTwo pos = db.PosMachinesTwo.FirstOrDefault(m => m.Id == posFor.SnId && m.BindingState == 0);
                                 if (pos != null)
                                 {
                                     pos.BindingState = 1;