职位管理bug调整

代码/TVShoppingCallCenter_ZLJ/Controllers/System/PositionController.cs

             Expression<Func<T_Sys_Position, bool>> eq = a => a.F_State == (int)EnumDelState.Enabled;
             eq = eq.And(b => b.F_Name.Equals(name));
             if (id > 0)
-                eq = eq.Or(b => b.F_Id != id); 
+                eq = eq.And(b => b.F_Id != id); 
 
             c = await _sys_positionRepository.GetCount(eq);
             return c > 0;