diff --git a/main/src/client/OicqClient.ts b/main/src/client/OicqClient.ts
index 578076f..f0b94a3 100644
--- a/main/src/client/OicqClient.ts
+++ b/main/src/client/OicqClient.ts
@@ -6,10 +6,8 @@ import {
   GroupMessageEvent,
   LogLevel,
   Platform, PrivateMessage,
-  PrivateMessageEvent, XmlElem,
+  PrivateMessageEvent,
 } from 'icqq';
-import Buffer from 'buffer';
-import { execSync } from 'child_process';
 import random from '../utils/random';
 import fs from 'fs';
 import fsP from 'fs/promises';
@@ -18,7 +16,7 @@ import dataPath from '../helpers/dataPath';
 import os from 'os';
 import { Converter, Image, rand2uuid } from 'icqq/lib/message';
 import { randomBytes } from 'crypto';
-import { escapeXml, gzip, timestamp } from 'icqq/lib/common';
+import { gzip, timestamp } from 'icqq/lib/common';
 import { pb } from 'icqq/lib/core';
 import env from '../models/env';
 
diff --git a/main/src/constants/commands.ts b/main/src/constants/commands.ts
index 962fc37..a9c4c56 100644
--- a/main/src/constants/commands.ts
+++ b/main/src/constants/commands.ts
@@ -28,6 +28,10 @@ const personalPrivateCommands = [
     command: 'login',
     description: '当 QQ 处于下线状态时，使用此命令重新登录 QQ',
   }),
+  new Api.BotCommand({
+    command: 'flags',
+    description: 'WARNING: EXPERIMENTAL FEATURES AHEAD!',
+  }),
 ];
 
 // 服务器零号实例的管理员
@@ -57,6 +61,10 @@ const inChatCommands = [
     command: 'search',
     description: '搜索消息',
   }),
+  new Api.BotCommand({
+    command: 'q',
+    description: '生成 QuotLy 图片',
+  }),
 ];
 
 const groupInChatCommands = [
@@ -93,6 +101,10 @@ const personalInChatCommands = [
     command: 'nick',
     description: '获取/设置群名片',
   }),
+  new Api.BotCommand({
+    command: 'mute',
+    description: '设置 QQ 成员禁言',
+  }),
 ];
 
 export default {
diff --git a/main/src/controllers/AliveCheckController.ts b/main/src/controllers/AliveCheckController.ts
index 2f3f3b6..4de2a83 100644
--- a/main/src/controllers/AliveCheckController.ts
+++ b/main/src/controllers/AliveCheckController.ts
@@ -20,11 +20,11 @@ export default class AliveCheckController {
     }
 
     await message.reply({
-      message: this.genMessage(this.instance.id === 0 ? Instance.instances : [this.instance]),
+      message: await this.genMessage(this.instance.id === 0 ? Instance.instances : [this.instance]),
     });
   };
 
-  private genMessage(instances: Instance[]): string {
+  private async genMessage(instances: Instance[]): Promise<string> {
     const boolToStr = (value: boolean) => {
       return value ? '好' : '坏';
     };
@@ -35,13 +35,17 @@ export default class AliveCheckController {
       const tgBot = instance.tgBot;
       const tgUser = instance.tgUser;
 
+      const sign = await oicq.getSign('MessageSvc.PbSendMsg', 233, Buffer.alloc(10));
+
       const tgUserName = (tgUser.me.username || tgUser.me.usernames.length) ?
         '@' + (tgUser.me.username || tgUser.me.usernames[0].username) : tgUser.me.firstName;
       messageParts.push([
         `Instance #${instance.id}`,
 
         `QQ <code>${instance.qqUin}</code>\t` +
-        `${boolToStr(oicq.isOnline())}\t${oicq.stat.msg_cnt_per_min} msg/min`,
+        `${boolToStr(oicq.isOnline())}`,
+
+        `签名服务器\t${boolToStr(sign.length > 0)}`,
 
         `TG @${tgBot.me.username}\t${boolToStr(tgBot.isOnline)}`,
 
diff --git a/main/src/controllers/InChatCommandsController.ts b/main/src/controllers/InChatCommandsController.ts
index 6f55a12..a092e6e 100644
--- a/main/src/controllers/InChatCommandsController.ts
+++ b/main/src/controllers/InChatCommandsController.ts
@@ -44,6 +44,13 @@ export default class InChatCommandsController {
       case '/poke':
         await this.service.poke(message, pair);
         return true;
+      case '/unmute':
+        messageParts.unshift('0');
+      case '/mute':
+        if (this.instance.workMode !== 'personal' || !message.senderId?.eq(this.instance.owner)) return false;
+        if (!(pair.qq instanceof Group)) return true;
+        await this.service.mute(message, pair, messageParts);
+        return true;
       case '/forwardoff':
         pair.flags |= flags.DISABLE_Q2TG | flags.DISABLE_TG2Q;
         await message.reply({ message: '转发已禁用' });
@@ -85,7 +92,7 @@ export default class InChatCommandsController {
         return true;
       case '/nick':
         if (this.instance.workMode !== 'personal' || !message.senderId?.eq(this.instance.owner)) return false;
-        if (!(pair.qq instanceof Group)) return;
+        if (!(pair.qq instanceof Group)) return true;
         if (!params) {
           await message.reply({
             message: `群名片：<i>${pair.qq.pickMember(this.instance.qqUin, true).card}</i>`,
diff --git a/main/src/services/InChatCommandsService.ts b/main/src/services/InChatCommandsService.ts
index 2679c43..fcd4b02 100644
--- a/main/src/services/InChatCommandsService.ts
+++ b/main/src/services/InChatCommandsService.ts
@@ -146,4 +146,73 @@ export default class InChatCommandsService {
     });
     return rpy.join('\n');
   }
+
+  // 禁言 QQ 成员
+  public async mute(message: Api.Message, pair: Pair, args: string[]) {
+    try {
+      const group = pair.qq as Group;
+      if(!(group.is_admin||group.is_owner)){
+        await message.reply({
+          message: '<i>无管理员权限</i>',
+        });
+        return;
+      }
+      let target: number;
+      if (message.replyToMsgId) {
+        const dbEntry = await db.message.findFirst({
+          where: {
+            tgChatId: pair.tgId,
+            tgMsgId: message.replyToMsgId,
+          },
+        });
+        if (dbEntry) {
+          target = Number(dbEntry.qqSenderId);
+        }
+      }
+      if (!target) {
+        await message.reply({
+          message: '<i>请回复一条消息</i>',
+        });
+        return;
+      }
+      if (!args.length) {
+        await message.reply({
+          message: '<i>请输入禁言的时间</i>',
+        });
+        return;
+      }
+      let time = Number(args[0]);
+      if (isNaN(time)) {
+        const unit = args[0].substring(args[0].length - 1, args[0].length);
+        time = Number(args[0].substring(0, args[0].length - 1));
+
+        switch (unit) {
+          case 'd':
+            time *= 24;
+          case 'h':
+            time *= 60;
+          case 'm':
+            time *= 60;
+            break;
+          default:
+            time = NaN;
+        }
+      }
+      if (isNaN(time)) {
+        await message.reply({
+          message: '<i>请输入正确的时间</i>',
+        });
+        return;
+      }
+      await group.muteMember(target, time);
+      await message.reply({
+        message: '<i>成功</i>',
+      });
+    }
+    catch (e) {
+      await message.reply({
+        message: `<i>错误</i>\n${e.message}`,
+      });
+    }
+  }
 }