fix:修复已知问题

backend/IM_API/Application/EventHandlers/MessageCreatedHandler/SignalREventHandler.cs

@@ -3,6 +3,7 @@ using IM_API.Application.Interfaces;
 using IM_API.Domain.Events;
 using IM_API.Dtos;
 using IM_API.Hubs;
+using IM_API.Interface.Services;
 using IM_API.Models;
 using IM_API.Tools;
 using IM_API.VOs.Message;
@@ -15,10 +16,12 @@ namespace IM_API.Application.EventHandlers.MessageCreatedHandler
     {
         private readonly IHubContext<ChatHub> _hub;
         private readonly IMapper _mapper;
-        public SignalREventHandler(IHubContext<ChatHub> hub, IMapper mapper)
+        private readonly IUserService _userService;
+        public SignalREventHandler(IHubContext<ChatHub> hub, IMapper mapper,IUserService userService)
         {
             _hub = hub;
             _mapper = mapper;
+            _userService = userService;
         }
 
         public async Task Consume(ConsumeContext<MessageCreatedEvent> context)
@@ -29,6 +32,9 @@ namespace IM_API.Application.EventHandlers.MessageCreatedHandler
             {
                 var entity = _mapper.Map<Message>(@event);
                 var messageBaseVo = _mapper.Map<MessageBaseVo>(entity);
+                var senderinfo = await _userService.GetUserInfoAsync(@event.MsgSenderId);
+                messageBaseVo.SenderName = senderinfo.NickName;
+                messageBaseVo.SenderAvatar = senderinfo.Avatar ?? "";
                 await _hub.Clients.Group(@event.StreamKey).SendAsync("ReceiveMessage", new HubResponse<MessageBaseVo>("Event", messageBaseVo));
             }
             catch (Exception ex)