后端：

新增好友请求事件和好友已添加事件

backend/IM_API/Models/Friendrequest.cs

@@ -32,6 +32,11 @@ public partial class FriendRequest
     /// </summary>
     public sbyte State { get; set; }
 
+    /// <summary>
+    /// 备注
+    /// </summary>
+    public string RemarkName { get; set; } = null!;
+
     public virtual User RequestUserNavigation { get; set; } = null!;
 
     public virtual User ResponseUserNavigation { get; set; } = null!;