后端：

1、事件订阅增加rabbitmq中间件
移动端：
1、完善移动端目录结构和代码框架

backend/IM_API/Domain/Events/FriendAddEvent.cs

@@ -0,0 +1,24 @@
+using IM_API.Dtos;
+
+namespace IM_API.Domain.Events
+{
+    public record FriendAddEvent:DomainEvent
+    {
+        public override string EventType => "IM.FRIENDS_FRIEND_ADD";
+        /// <summary>
+        /// 发起请求用户
+        /// </summary>
+        public UserInfoDto RequestUser { get; set; }
+        /// <summary>
+        /// 接受请求用户
+        /// </summary>
+        public UserInfoDto ResponseUser { get; set; }
+
+        public FriendRequestResDto RequestInfo { get; set; }
+        /// <summary>
+        /// 好友关系创建时间
+        /// </summary>
+        public DateTime Created { get; set; }
+
+    }
+}