前端：

优化electron效果

backend/IM_API/Services/GroupService.cs

@@ -2,13 +2,16 @@
 using AutoMapper.QueryableExtensions;
 using IM_API.Domain.Events;
 using IM_API.Dtos.Group;
+using IM_API.Dtos.User;
 using IM_API.Exceptions;
 using IM_API.Interface.Services;
 using IM_API.Models;
 using IM_API.Tools;
+using IM_API.VOs.Group;
 using MassTransit;
 using Microsoft.EntityFrameworkCore;
 using System;
+using System.Linq;
 
 namespace IM_API.Services
 {
@@ -247,5 +250,21 @@ namespace IM_API.Services
             });
                 return;
         }
+    
+        public async Task<List<GroupMemberVo>> GetGroupMembers(int userId, int groupId)
+        {
+            var members = await _context.GroupMembers
+                .Where(x => x.GroupId == groupId).ToListAsync();
+            if (members is null || members.Count() == 0)
+                return [];
+
+            var users = await _userService.GetUserInfoListAsync(members.Select(x => x.UserId).ToList());
+            return users.Zip(members, (u, m) =>
+            {
+                var user = _mapper.Map<GroupMemberVo>(u);
+                _mapper.Map(m, user);
+                return user;
+            }).ToList();
+        }
     }
 }