前端：

1、完善创建群聊逻辑
后端：
1、完善群聊相关接口

backend/IM_API/Application/EventHandlers/GroupInviteActionUpdateHandler/RequestDbHandler.cs

@@ -0,0 +1,24 @@
+using IM_API.Domain.Events;
+using IM_API.Interface.Services;
+using MassTransit;
+
+namespace IM_API.Application.EventHandlers.GroupInviteActionUpdateHandler
+{
+    public class RequestDbHandler : IConsumer<GroupInviteActionUpdateEvent>
+    {
+        private readonly IGroupService _groupService;
+        public RequestDbHandler(IGroupService groupService)
+        {
+            _groupService = groupService;
+        }
+
+        public async Task Consume(ConsumeContext<GroupInviteActionUpdateEvent> context)
+        {
+            var @event = context.Message;
+            if(@event.Action == Models.GroupInviteState.Passed)
+            {
+                await _groupService.MakeGroupRequestAsync(@event.UserId, @event.InviteUserId,@event.GroupId);
+            }
+        }
+    }
+}