diff --git a/MBS-COMMAND.API/appsettings.json b/MBS-COMMAND.API/appsettings.json
index aa0bede..98cb9d3 100644
--- a/MBS-COMMAND.API/appsettings.json
+++ b/MBS-COMMAND.API/appsettings.json
@@ -70,5 +70,5 @@
     ]
   },
   "AllowedHosts": "*",
-  "Domain" : "http://103.162.14.116:4000/"
+  "Domain" : "http://103.162.14.116:4000"
 }
diff --git a/MBS_COMMAND.Application/UserCases/Commands/Feedbacks/CreateFeedbackCommandHandler.cs b/MBS_COMMAND.Application/UserCases/Commands/Feedbacks/CreateFeedbackCommandHandler.cs
index 67c94ad..6370e2b 100644
--- a/MBS_COMMAND.Application/UserCases/Commands/Feedbacks/CreateFeedbackCommandHandler.cs
+++ b/MBS_COMMAND.Application/UserCases/Commands/Feedbacks/CreateFeedbackCommandHandler.cs
@@ -1,6 +1,7 @@
 using MBS_COMMAND.Contract.Abstractions.Messages;
 using MBS_COMMAND.Contract.Abstractions.Shared;
 using MBS_COMMAND.Contract.Services.Feedbacks;
+using MBS_COMMAND.Domain.Abstractions;
 using MBS_COMMAND.Domain.Abstractions.Repositories;
 using MBS_COMMAND.Domain.Entities;
 
@@ -10,12 +11,12 @@ public class CreateFeedbackCommandHandler : ICommandHandler<Command.CreateFeedba
 {
     private readonly IRepositoryBase<Feedback, Guid> _feedbackRepository;
     private readonly ICurrentUserService _currentUserService;
-
-    public CreateFeedbackCommandHandler(IRepositoryBase<Feedback, Guid> feedbackRepository,
-        ICurrentUserService currentUserService)
+    private readonly IUnitOfWork _unitOfWork;
+    public CreateFeedbackCommandHandler(IRepositoryBase<Feedback, Guid> feedbackRepository, ICurrentUserService currentUserService, IUnitOfWork unitOfWork)
     {
         _feedbackRepository = feedbackRepository;
         _currentUserService = currentUserService;
+        _unitOfWork = unitOfWork;
     }
 
     public async Task<Result> Handle(Command.CreateFeedback request, CancellationToken cancellationToken)
@@ -30,6 +31,7 @@ public async Task<Result> Handle(Command.CreateFeedback request, CancellationTok
             IsMentor = role,
         };
         _feedbackRepository.Add(feedback);
+        await _unitOfWork.SaveChangesAsync(cancellationToken);
         return Result.Success();
     }
 }
\ No newline at end of file
diff --git a/MBS_COMMAND.Application/UserCases/Commands/Groups/AddMemberToGroupCommandHandler.cs b/MBS_COMMAND.Application/UserCases/Commands/Groups/AddMemberToGroupCommandHandler.cs
index 119571f..344c487 100644
--- a/MBS_COMMAND.Application/UserCases/Commands/Groups/AddMemberToGroupCommandHandler.cs
+++ b/MBS_COMMAND.Application/UserCases/Commands/Groups/AddMemberToGroupCommandHandler.cs
@@ -20,6 +20,8 @@ public async Task<Result> Handle(Command.AddMemberToGroup request, CancellationT
         var u = await userRepository.FindByIdAsync(request.MemberId, cancellationToken);
         if (u == null)
             return Result.Failure(new Error("404", "User Not Found"));
+        if(u.Role==1)
+            return Result.Failure(new Error("422", "Mentor cannot be added to group"));
         var g = await groupRepository.FindSingleAsync(x => x.Id == request.GroupId, cancellationToken);
         if (g == null)
             return Result.Failure(new Error("404", "Group Not Found"));
diff --git a/MBS_COMMAND.Application/UserCases/Commands/Schedules/CreateScheduleCommandHandler.cs b/MBS_COMMAND.Application/UserCases/Commands/Schedules/CreateScheduleCommandHandler.cs
index 471a016..d2082f7 100644
--- a/MBS_COMMAND.Application/UserCases/Commands/Schedules/CreateScheduleCommandHandler.cs
+++ b/MBS_COMMAND.Application/UserCases/Commands/Schedules/CreateScheduleCommandHandler.cs
@@ -76,7 +76,6 @@ public async Task<Result> Handle(Command.CreateScheduleCommand request, Cancella
             MentorId = slot.MentorId ?? new Guid(),
             SubjectId = request.SubjectId,
             GroupId = group.Id,
-            IsBooked = true,
         };
 
         slot.IsBook = true;
diff --git a/MBS_COMMAND.Domain/Entities/Schedule.cs b/MBS_COMMAND.Domain/Entities/Schedule.cs
index 2a17dd7..87bfc00 100644
--- a/MBS_COMMAND.Domain/Entities/Schedule.cs
+++ b/MBS_COMMAND.Domain/Entities/Schedule.cs
@@ -10,12 +10,10 @@ public class Schedule : Entity<Guid>, IAuditableEntity
     public virtual Slot? Slot { get; set; }
     public Guid GroupId { get; set; }
     public virtual Group? Group { get; set; }
-    
     public TimeOnly StartTime { get; set; }
     public TimeOnly EndTime { get; set; }
     public DateOnly Date { get; set; }
     public Guid SubjectId { get; set; }
-    public bool IsBooked { get; set; }=false;
     public virtual Subject? Subject { get; set; }
     public DateTimeOffset CreatedOnUtc { get ; set ; }
     public DateTimeOffset? ModifiedOnUtc { get ; set ; }
diff --git a/MBS_COMMAND.Persistence/Migrations/ApplicationDbContextModelSnapshot.cs b/MBS_COMMAND.Persistence/Migrations/ApplicationDbContextModelSnapshot.cs
index d3577f7..d418419 100644
--- a/MBS_COMMAND.Persistence/Migrations/ApplicationDbContextModelSnapshot.cs
+++ b/MBS_COMMAND.Persistence/Migrations/ApplicationDbContextModelSnapshot.cs
@@ -273,9 +273,6 @@ protected override void BuildModel(ModelBuilder modelBuilder)
                     b.Property<Guid>("GroupId")
                         .HasColumnType("uniqueidentifier");
 
-                    b.Property<bool>("IsBooked")
-                        .HasColumnType("bit");
-
                     b.Property<bool>("IsDeleted")
                         .HasColumnType("bit");