diff --git a/Mirai.Net/Mirai.Net.csproj b/Mirai.Net/Mirai.Net.csproj
index ff5ae7e..99ad0cc 100644
--- a/Mirai.Net/Mirai.Net.csproj
+++ b/Mirai.Net/Mirai.Net.csproj
@@ -3,7 +3,7 @@
     <PropertyGroup>
         <LangVersion>latest</LangVersion>
         <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-        <PackageVersion>2.4.6</PackageVersion>
+        <PackageVersion>2.4.8</PackageVersion>
         <Title>Mirai.Net</Title>
         <Description>基于mirai-api-http的轻量级mirai社区sdk</Description>
         <Copyright>Copyright 2022 AHpx reserve all rights.</Copyright>
diff --git a/Mirai.Net/Sessions/Http/Managers/ConsoleManager.cs b/Mirai.Net/Sessions/Http/Managers/ConsoleManager.cs
index 91c4012..cd07794 100644
--- a/Mirai.Net/Sessions/Http/Managers/ConsoleManager.cs
+++ b/Mirai.Net/Sessions/Http/Managers/ConsoleManager.cs
@@ -1,5 +1,6 @@
 using Manganese.Array;
 using Mirai.Net.Data.Events;
+using Mirai.Net.Data.Messages;
 using Mirai.Net.Data.Sessions;
 using Mirai.Net.Utils.Internal;
 using Newtonsoft.Json;
@@ -48,9 +49,12 @@ static ConsoleManager()
         /// <para>控制台支持以不同消息类型作为指令的参数, 执行命令需要以消息类型作为参数, 若执行纯文本的命令, 构建多个文本格式的消息控制台会将第一个消息作为指令名, 后续消息作为参数</para>
         /// </param>
         /// <returns></returns>
-        public static async Task ExecuteCommandAsync(object[] command)
+        public static async Task ExecuteCommandAsync(MessageBase[] command)
         {
-            await HttpEndpoints.ExecuteCommand.PostJsonAsync(command);
+            await HttpEndpoints.ExecuteCommand.PostJsonAsync(new
+            {
+                command
+            });
         }
 
         /// <summary>
diff --git a/Mirai.Net/Sessions/Http/Managers/GroupManager.cs b/Mirai.Net/Sessions/Http/Managers/GroupManager.cs
index a4fb195..f7a8970 100644
--- a/Mirai.Net/Sessions/Http/Managers/GroupManager.cs
+++ b/Mirai.Net/Sessions/Http/Managers/GroupManager.cs
@@ -23,9 +23,9 @@ public static class GroupManager
     /// <summary>
     ///     禁言某群员
     /// </summary>
-    /// <param name="target"></param>
-    /// <param name="group"></param>
-    /// <param name="time"></param>
+    /// <param name="memberId">禁言对象的QQ号</param>
+    /// <param name="group">禁言对象所在的群号</param>
+    /// <param name="time">禁言的时长</param>
     public static async Task MuteAsync(string memberId, string group, int time)
     {
         var payload = new
@@ -47,8 +47,8 @@ public static async Task MuteAsync(string memberId, string group, TimeSpan time)
     /// <summary>
     ///     禁言某群员
     /// </summary>
-    /// <param name="member"></param>
-    /// <param name="time"></param>
+    /// <param name="member">禁言的对象</param>
+    /// <param name="time">禁言的时长</param>
     public static async Task MuteAsync(this Member member, int time)
     {
         await MuteAsync(member.Id, member.Group.Id, time);
@@ -67,8 +67,8 @@ public static async Task MuteAsync(this Member member, TimeSpan time)
     /// <summary>
     ///     取消禁言
     /// </summary>
-    /// <param name="target"></param>
-    /// <param name="group"></param>
+    /// <param name="memberId">取消禁言对象的QQ号</param>
+    /// <param name="group">取消禁言对象所在的群号</param>
     public static async Task UnMuteAsync(string memberId, string group)
     {
         var payload = new
@@ -83,7 +83,7 @@ public static async Task UnMuteAsync(string memberId, string group)
     /// <summary>
     ///     取消禁言
     /// </summary>
-    /// <param name="member"></param>
+    /// <param name="member">取消禁言的对象</param>
     public static async Task UnMuteAsync(this Member member)
     {
         await UnMuteAsync(member.Id, member.Group.Id);
@@ -96,9 +96,9 @@ public static async Task UnMuteAsync(this Member member)
     /// <summary>
     ///     踢出某群员
     /// </summary>
-    /// <param name="target"></param>
-    /// <param name="group"></param>
-    /// <param name="message"></param>
+    /// <param name="memberId">踢出对象的QQ号</param>
+    /// <param name="group">踢出对象所在的群号</param>
+    /// <param name="message">踢出的原因</param>
     public static async Task KickAsync(string memberId, string group, string message = "")
     {
         var payload = new
@@ -114,8 +114,8 @@ public static async Task KickAsync(string memberId, string group, string message
     /// <summary>
     ///     踢出某群员
     /// </summary>
-    /// <param name="member"></param>
-    /// <param name="message"></param>
+    /// <param name="member">踢出的对象</param>
+    /// <param name="message">踢出的原因</param>
     public static async Task KickAsync(this Member member, string message = "")
     {
         await KickAsync(member.Id, member.Group.Id);
@@ -128,7 +128,7 @@ public static async Task KickAsync(this Member member, string message = "")
     /// <summary>
     ///     bot退出某群
     /// </summary>
-    /// <param name="target"></param>
+    /// <param name="groupId">要退出的群号</param>
     public static async Task LeaveAsync(string groupId)
     {
         var payload = new
@@ -142,7 +142,7 @@ public static async Task LeaveAsync(string groupId)
     /// <summary>
     ///     bot退出某群
     /// </summary>
-    /// <param name="group"></param>
+    /// <param name="group">要退出的群</param>
     public static async Task LeaveAsync(this Group group)
     {
         await LeaveAsync(group.Id);
@@ -155,8 +155,8 @@ public static async Task LeaveAsync(this Group group)
     /// <summary>
     ///     全体禁言
     /// </summary>
-    /// <param name="target"></param>
-    /// <param name="mute">是否禁言</param>
+    /// <param name="groupId">目标群号</param>
+    /// <param name="mute">是否禁言。 false为解除禁言，true为禁言</param>
     public static async Task MuteAllAsync(string groupId, bool mute = true)
     {
         var endpoint = mute ? HttpEndpoints.MuteAll : HttpEndpoints.UnmuteAll;
@@ -171,8 +171,8 @@ public static async Task MuteAllAsync(string groupId, bool mute = true)
     /// <summary>
     ///     全体禁言
     /// </summary>
-    /// <param name="group"></param>
-    /// <param name="mute">是否禁言</param>
+    /// <param name="group">目标群</param>
+    /// <param name="mute">是否禁言。 false为解除禁言，true为禁言</param>
     public static async Task MuteAllAsync(this Group group, bool mute = true)
     {
         await MuteAllAsync(group.Id, mute);
@@ -186,7 +186,7 @@ public static async Task MuteAllAsync(this Group group, bool mute = true)
     ///     设置精华消息
     /// </summary>
     /// <param name="messageId">消息id</param>
-    /// <param name="groupId">群号</param>
+    /// <param name="groupId">目标群号</param>
     public static async Task SetEssenceMessageAsync(string messageId, string groupId)
     {
         var payload = new
@@ -218,7 +218,7 @@ await SetEssenceMessageAsync(receiver.MessageChain.OfType<SourceMessage>().Singl
     /// <summary>
     ///     获取群设置
     /// </summary>
-    /// <param name="target"></param>
+    /// <param name="groupId">目标群号</param>
     /// <returns></returns>
     public static async Task<GroupSetting> GetGroupSettingAsync(string groupId)
     {
@@ -241,8 +241,8 @@ public static async Task<GroupSetting> GetGroupSettingAsync(this Group group)
     /// <summary>
     ///     修改群设置
     /// </summary>
-    /// <param name="target"></param>
-    /// <param name="setting"></param>
+    /// <param name="groupId">目标群号</param>
+    /// <param name="setting">群设置</param>
     public static async Task SetGroupSettingAsync(string groupId, GroupSetting setting)
     {
         var payload = new
@@ -257,8 +257,8 @@ public static async Task SetGroupSettingAsync(string groupId, GroupSetting setti
     /// <summary>
     ///     修改群设置
     /// </summary>
-    /// <param name="group"></param>
-    /// <param name="setting"></param>
+    /// <param name="group">目标群</param>
+    /// <param name="setting">群设置</param>
     public static async Task SetGroupSettingAsync(this Group group, GroupSetting setting)
     {
         await SetGroupSettingAsync(group.Id, setting);
@@ -271,8 +271,8 @@ public static async Task SetGroupSettingAsync(this Group group, GroupSetting set
     /// <summary>
     ///     获取群员
     /// </summary>
-    /// <param name="memberQQ"></param>
-    /// <param name="group"></param>
+    /// <param name="memberQQ">目标的QQ号</param>
+    /// <param name="group">目标群号</param>
     /// <returns></returns>
     public static async Task<Member> GetMemberAsync(string memberQQ, string group)
     {
@@ -288,8 +288,8 @@ public static async Task<Member> GetMemberAsync(string memberQQ, string group)
     /// <summary>
     ///     修改群员设置,需要相关的权限
     /// </summary>
-    /// <param name="memberQQ"></param>
-    /// <param name="group"></param>
+    /// <param name="memberQQ">目标的QQ号</param>
+    /// <param name="group">目标群号</param>
     /// <param name="card">群名片, 需要管理员权限</param>
     /// <param name="title">群头衔, 需要群主权限</param>
     /// <returns></returns>
@@ -319,7 +319,7 @@ public static async Task<Member> SetMemberInfoAsync(string memberQQ, string grou
     /// <summary>
     /// 获取指定群公告列表
     /// </summary>
-    /// <param name="group">群号</param>
+    /// <param name="group">目标群号</param>
     /// <param name="offset">分页参数</param>
     /// <param name="size">分页参数，默认10</param>
     /// <returns></returns>
@@ -338,7 +338,7 @@ public static async Task<IEnumerable<Announcement>> GetGroupAnnouncementAsync(st
     /// <summary>
     /// 向指定群发布群公告
     /// </summary>
-    /// <param name="group">群号</param>
+    /// <param name="group">目标群号</param>
     /// <param name="content">公告内容</param>
     /// <param name="pinned">是否置顶</param>
     /// <returns></returns>
@@ -369,7 +369,7 @@ public static async Task<Announcement> PublishGroupAnnouncementAsync(Announcemen
     /// <summary>
     /// 删除指定群中一条公告
     /// </summary>
-    /// <param name="group">群号</param>
+    /// <param name="group">目标群号</param>
     /// <param name="fid">群公告唯一id</param>
     /// <returns></returns>
     public static async Task DeleteGroupAnnouncementAsync(string group, string fid)
diff --git a/README.md b/README.md
index b4ecc79..2ed07f6 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Mirai.Net 2.4.6
+# Mirai.Net 2.4.8
 
 Mirai.Net 是基于 [mirai-api-http] 实现的 C# 版轻量级 [mirai] 社区 SDK。
 
@@ -76,6 +76,9 @@ _斜体的标注的接口是不稳定的_
   - 修改群设置
   - 获取群员设置
   - 修改群员设置
+  - 获取群公告
+  - 发布群公告
+  - 删除群公告
 - 事件处理
   - 添加好友申请
   - 用户入群申请