From 40ac2daca8d6a6e1b9bbd5a13fc43401f79f7799 Mon Sep 17 00:00:00 2001
From: YunaiV <zhijiantianya@gmail.com>
Date: Fri, 8 May 2026 01:23:09 +0800
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20feat(im)=EF=BC=9A=E6=96=87=E6=9C=AC?=
 =?UTF-8?q?=E6=B0=94=E6=B3=A1=20@=20=E9=AB=98=E4=BA=AE=E6=94=AF=E6=8C=81?=
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 =?UTF-8?q?=E5=88=AB=E6=88=90=E5=8F=AF=E7=82=B9=E5=87=BB=E9=93=BE=E6=8E=A5?=
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- @ 段：群消息按 atUserIds 反查群成员，候选 name 兼容历史字面量（真实昵称 / 好友备注 / 群自定义昵称），displayName 统一收敛到 nickname，让历史消息也能渲染成 @真实昵称；@ 段点击弹 UserInfoCard
- @所有人：注入 IM_AT_ALL_USER_ID 虚拟候选，对齐微信 PC 仅高亮配色不挂点击
- 同名歧义：同字面量对应多个 userId 时标记 ambiguous，parser 整段消费成普通文本，避免错绑用户
- URL：识别 http(s) / www. 起头链接，<a target="_blank"> 新标签打开；默认补 https://
- TipSegment 加 link 变体作为统一文本片段类型，TEXT 气泡与灰条 tip 共用 TipSegments 组件渲染
- MessageInput @ token 文本统一用真实昵称，不再掺好友备注 / 群自定义昵称
---
 .../components/input/MessageInput.vue         |   3 +-
 .../components/message/MessageBubble.vue      |  18 ++-
 .../components/message/MessageItem.vue        |  11 ++
 .../components/message/TipSegments.vue        |  59 ++++-----
 src/views/im/utils/message.ts                 | 109 +++++++++++++++-
 src/views/im/utils/user.ts                    | 118 +++++++++++++++++-
 6 files changed, 276 insertions(+), 42 deletions(-)

diff --git a/src/views/im/home/pages/conversation/components/input/MessageInput.vue b/src/views/im/home/pages/conversation/components/input/MessageInput.vue
index 737c51127..8cb1fa077 100644
--- a/src/views/im/home/pages/conversation/components/input/MessageInput.vue
+++ b/src/views/im/home/pages/conversation/components/input/MessageInput.vue
@@ -739,12 +739,13 @@ function onMentionSelect(member: GroupMemberLite) {
   }
   // 删 @keyword，插入 contenteditable=false 的 token：
   // 删除时整段消除 + 不会被光标拆穿；data-id 是后续 collectFromEditor 收 atUserIds 的钩子
+  // token 文本固定走真实昵称：群里所有成员看到的字面量一致，避免我侧的好友备注 / 群昵称污染发送文本
   mentionRange.deleteContents()
   const span = document.createElement('span')
   span.className = 'mention-token'
   span.dataset.id = String(member.userId)
   span.contentEditable = 'false'
-  span.textContent = `@${member.showName}`
+  span.textContent = `@${member.nickname || member.showName}`
   mentionRange.insertNode(span)
   // token 在 editor 首位时，contenteditable=false 边缘会让光标无法挪到 token 前
   // 补一个零宽空格 ​ 当锚点；DOM walk 时会被滤掉，不进入发送内容
diff --git a/src/views/im/home/pages/conversation/components/message/MessageBubble.vue b/src/views/im/home/pages/conversation/components/message/MessageBubble.vue
index c4de65ce9..a148a2f89 100644
--- a/src/views/im/home/pages/conversation/components/message/MessageBubble.vue
+++ b/src/views/im/home/pages/conversation/components/message/MessageBubble.vue
@@ -1,11 +1,11 @@
 <template>
-  <!-- 文本 -->
+  <!-- 文本：按 segment 渲染，mention 高亮可点击、URL 自动识别成可点击链接 -->
   <div
     v-if="isText && textPayload"
     class="relative px-3.5 py-2.5 text-sm leading-normal break-words whitespace-pre-wrap rounded-lg"
     :class="bubbleClass('text')"
   >
-    {{ textPayload.content }}
+    <TipSegments :segments="textSegments" />
   </div>
 
   <!-- 图片：el-image 内置预览；上传中半透明遮罩 -->
@@ -167,18 +167,21 @@ import { formatSeconds } from '@/utils/formatTime'
 import { ImMessageType, MERGE_FORWARD_PREVIEW_LINES } from '@/views/im/utils/constants'
 import {
   parseMessage,
+  parseTextSegments,
   getFileIconInfo,
   type AudioMessage,
   type CardMessage,
   type FaceMessage,
   type FileMessage,
   type ImageMessage,
+  type MentionCandidate,
   type MergeMessage,
   type TextMessage,
   type VideoMessage
 } from '@/views/im/utils/message'
 import { summarizeMessageContent } from '@/views/im/utils/conversation'
 import CardBubble from '@/views/im/home/components/card/CardBubble.vue'
+import TipSegments from './TipSegments.vue'
 import { useVoicePlayer } from '@/views/im/home/composables/useVoicePlayer'
 
 defineOptions({ name: 'ImMessageBubble' })
@@ -192,6 +195,8 @@ const props = defineProps<{
   selfSend?: boolean
   /** 媒体上传进度（0-100）；非 null 即视为上传中，渲染遮罩 / 进度条 */
   uploadProgress?: number | null
+  /** TEXT 气泡的 @ mention 候选名字；不传则文本里的 @xxx 退化为普通文本 */
+  mentions?: MentionCandidate[]
 }>()
 
 const emit = defineEmits<{
@@ -224,6 +229,15 @@ const uploadProgressText = computed(() => `${uploadProgress.value}%`)
 const parsedContent = computed<unknown>(() => parseMessage(props.content))
 
 const textPayload = computed(() => (isText.value ? (parsedContent.value as TextMessage | null) : null))
+
+/** 文本气泡 segment 数组：mention 高亮 + URL 自动识别 + 普通文本三段拼接 */
+const textSegments = computed(() => {
+  const content = textPayload.value?.content
+  if (!content) {
+    return []
+  }
+  return parseTextSegments(content, props.mentions || [])
+})
 const imagePayload = computed(() =>
   isImage.value ? (parsedContent.value as ImageMessage | null) : null
 )
diff --git a/src/views/im/home/pages/conversation/components/message/MessageItem.vue b/src/views/im/home/pages/conversation/components/message/MessageItem.vue
index 5e7c28aa9..4b4044470 100644
--- a/src/views/im/home/pages/conversation/components/message/MessageItem.vue
+++ b/src/views/im/home/pages/conversation/components/message/MessageItem.vue
@@ -80,6 +80,7 @@
           :content="message.content"
           :self-send="message.selfSend"
           :upload-progress="message.uploadProgress"
+          :mentions="textMentions"
           @click-card="handleCardClick"
           @open-merge="handleMergeOpen"
         />
@@ -176,6 +177,7 @@ import {
   getQuoteFromMessage,
   parseMessage,
   type CardMessage,
+  type MentionCandidate,
   type TextMessage
 } from '@/views/im/utils/message'
 import { buildRecallTipSegments } from '@/views/im/utils/conversation'
@@ -188,6 +190,7 @@ import { useDraftStore } from '../../../../store/draftStore'
 import { useFaceStore } from '../../../../store/faceStore'
 import {
   getMemberDisplayName,
+  getMentionCandidates,
   getSenderDisplayName,
   getSenderRealNickname,
   resolveFriendNotificationSegments,
@@ -305,6 +308,14 @@ function handleMergeOpen(content: string) {
   openMergeDetail?.(content)
 }
 
+/** 文本气泡 @ mention 候选名字：仅群消息有效，按 atUserIds 反查群成员真实昵称；非 TEXT 不走 store 读，让 getMentionCandidates 直接返回稳定空数组 */
+const textMentions = computed<MentionCandidate[]>(() => {
+  if (props.message.type !== ImMessageType.TEXT) {
+    return getMentionCandidates(undefined, null)
+  }
+  return getMentionCandidates(props.message.atUserIds, conversationStore.activeConversation)
+})
+
 /** 名片点击：用户名片弹 UserInfoCard，群名片弹 GroupInfoCard；其它 targetType（含改包脏数据）忽略 */
 function handleCardClick(card: CardMessage, e: MouseEvent) {
   if (!card?.targetId) {
diff --git a/src/views/im/home/pages/conversation/components/message/TipSegments.vue b/src/views/im/home/pages/conversation/components/message/TipSegments.vue
index 19442321d..03389df56 100644
--- a/src/views/im/home/pages/conversation/components/message/TipSegments.vue
+++ b/src/views/im/home/pages/conversation/components/message/TipSegments.vue
@@ -1,27 +1,35 @@
 <!--
-  会话内灰条 tip 片段渲染：依赖 activeConversation 推断点击落点的 addSource / 群名
+  消息文本片段渲染：tip 文案 + TEXT 气泡共用
+  - mention 段挂点击 → openMentionUserInfoCardAtEvent
+  - link 段渲染 <a target="_blank">，浏览器默认行为打开新标签
+  - text 段原样输出
 -->
 <template>
   <template v-for="(segment, _index) in segments" :key="_index">
     <span
       v-if="segment.type === 'mention'"
-      class="cursor-pointer text-[#576b95] hover:underline"
+      class="text-[#576b95]"
+      :class="{ 'cursor-pointer hover:underline': isClickableMention(segment) }"
       @click.stop="handleMentionClick(segment, $event)"
       >{{ segment.text }}</span
     >
+    <a
+      v-else-if="segment.type === 'link'"
+      :href="segment.href"
+      target="_blank"
+      rel="noopener noreferrer"
+      class="text-[#576b95] hover:underline break-all"
+      @click.stop
+      >{{ segment.text }}</a
+    >
     <span v-else>{{ segment.text }}</span>
   </template>
 </template>
 
 <script lang="ts" setup>
-import { ImConversationType, ImFriendAddSource } from '@/views/im/utils/constants'
+import { IM_AT_ALL_USER_ID } from '@/views/im/utils/constants'
 import type { TipSegment } from '@/views/im/utils/message'
-import { getSenderAvatar } from '@/views/im/utils/user'
-import type { User } from '../../../../types'
-import { useConversationStore } from '../../../../store/conversationStore'
-import { useFriendStore } from '../../../../store/friendStore'
-import { useGroupStore } from '../../../../store/groupStore'
-import { useImUiStore } from '../../../../store/uiStore'
+import { openMentionUserInfoCardAtEvent } from '@/views/im/utils/user'
 
 defineOptions({ name: 'ImTipSegments' })
 
@@ -29,34 +37,19 @@ defineProps<{
   segments: TipSegment[]
 }>()
 
-/**
- * nickname 不传 friend.displayName / member.displayUserName 等备注，避免 UserInfo 首屏闪非真实昵称；
- * addSourceExtra 不用 conversation.name 兜底，conversation.name = groupRemark || group.name，
- * 个人备注会污染加好友话术
- */
+/** @全体成员是广播 mention，仅高亮配色，不挂可点击交互 */
+function isClickableMention(segment: { userId: number }): boolean {
+  return segment.userId !== IM_AT_ALL_USER_ID
+}
+
+/** mention 段点击：fallbackName 取 segment 文本，避免 friend / member 都查不到时弹空 */
 function handleMentionClick(
   segment: { type: 'mention'; userId: number; text: string },
   event: MouseEvent
 ) {
-  const conversation = useConversationStore().activeConversation
-  const isGroup = conversation?.type === ImConversationType.GROUP
-  const group = isGroup ? useGroupStore().getGroup(conversation!.targetId) : undefined
-  const member = group?.members?.find((m) => m.userId === segment.userId)
-  const friend = useFriendStore().getFriend(segment.userId)
-  const user: User = {
-    id: segment.userId,
-    nickname: friend?.nickname || member?.nickname || segment.text,
-    avatar: getSenderAvatar(
-      segment.userId,
-      conversation?.type ?? 0,
-      conversation?.targetId ?? 0
-    )
+  if (!isClickableMention(segment)) {
+    return
   }
-  useImUiStore().openUserInfoCardAtEvent(
-    user,
-    event,
-    isGroup ? ImFriendAddSource.GROUP : ImFriendAddSource.SEARCH,
-    isGroup ? group?.name || '' : ''
-  )
+  openMentionUserInfoCardAtEvent(segment.userId, event, segment.text)
 }
 </script>
diff --git a/src/views/im/utils/message.ts b/src/views/im/utils/message.ts
index 172a86a3c..75236c84c 100644
--- a/src/views/im/utils/message.ts
+++ b/src/views/im/utils/message.ts
@@ -22,13 +22,15 @@ export const generateClientMessageId = (): string => {
   return generateUUID()
 }
 
-// ==================== Tip 片段（灰条文案渲染用） ====================
-// 把"XX 邀请 YY 加入群聊""XX 撤回了一条消息"等 tip 文案拆成 segment 数组，
-// mention 段携带 userId，渲染层据此挂点击事件弹 UserInfoCard。
+// ==================== 文本片段（tip 文案 + TEXT 气泡共用） ====================
+// 既用于灰条 tip（"XX 邀请 YY 加入群聊"），也用于 TEXT 气泡正文（@xxx 高亮 + URL 自动识别）。
+// mention 段携带 userId 用于挂点击弹 UserInfoCard；link 段携带 href 用于 <a> 跳转；
+// text 段是纯文本兜底。渲染层（TipSegments.vue）按 type 分发统一处理。
 
 export type TipSegment =
   | { type: 'text'; text: string }
   | { type: 'mention'; userId: number; text: string }
+  | { type: 'link'; href: string; text: string }
 
 export const tipText = (text: string): TipSegment => ({ type: 'text', text })
 
@@ -38,6 +40,12 @@ export const tipMention = (userId: number, text: string): TipSegment => ({
   text
 })
 
+export const tipLink = (href: string, text: string): TipSegment => ({
+  type: 'link',
+  href,
+  text
+})
+
 export const segmentsToText = (segments: TipSegment[]): string =>
   segments.map((s) => s.text).join('')
 
@@ -54,6 +62,101 @@ export function joinMentionSegments(
   )
 }
 
+/** mention 候选；name 用于匹配文本字面量，displayName 用于覆盖渲染（不传则按 name 渲染） */
+export interface MentionCandidate {
+  userId: number
+  /** 用来在 content 中前缀匹配的字面量（不含 @） */
+  name: string
+  /**
+   * 渲染时强制使用的显示名（不含 @）
+   *
+   * 用于「历史消息 content 里写的是备注名 / 群昵称，但接收端要按真实昵称渲染」的场景；
+   * 候选可以携带多种字面量（match 用），但 displayName 统一指向 nickname，
+   * 让所有历史 / 新消息的 @ 都收敛到一致的展示
+   */
+  displayName?: string
+  /**
+   * 歧义标记：同 name 对应多个 userId 时为 true
+   *
+   * parser 仍会按 name 命中（最长优先），但命中后整段吃成普通文本——
+   * 避免「@张三」被剔除后，短前缀候选「@张」抢匹配错绑
+   */
+  ambiguous?: boolean
+}
+
+/** URL 锚定正则；终止于空白、中文、@（避免吞掉下一个 mention）、< > " '（防 HTML / 引号串入）；y 标志走 sticky 匹配，省 text.slice */
+const URL_STICKY_REGEX = /(https?:\/\/[^\s一-龥@<>"']+|www\.[^\s一-龥@<>"']+)/iy
+
+/** URL 末尾常见标点剔除，避免吞掉句末中英文标点 */
+const URL_TRAILING_PUNCTUATION = /[.,!?;:)\]、，。！？；：）】]+$/
+
+/** 最短 URL：`www.ab` / `http:/` 这种孤段不算链接 */
+const URL_MIN_LENGTH = 6
+
+/**
+ * 文本气泡 content 拆段：mention 段按候选最长前缀匹配，URL 段走锚定正则，剩余归 text
+ *
+ * mentions 不传或匹配不上时，@xxx 退化为普通 text；解析与渲染解耦，工具函数本身不依赖 store
+ */
+export function parseTextSegments(
+  text: string,
+  mentions: MentionCandidate[] = []
+): TipSegment[] {
+  if (!text) {
+    return []
+  }
+  // 「@张三丰」不能被「@张三」截胡，候选按 name 长度倒序
+  const sortedMentions =
+    mentions.length > 1 ? [...mentions].sort((a, b) => b.name.length - a.name.length) : mentions
+  const out: TipSegment[] = []
+  let buffer = ''
+
+  const flush = () => {
+    if (buffer) {
+      out.push(tipText(buffer))
+      buffer = ''
+    }
+  }
+
+  let i = 0
+  while (i < text.length) {
+    if (text[i] === '@' && sortedMentions.length > 0) {
+      const matched = sortedMentions.find((m) => m.name && text.startsWith(m.name, i + 1))
+      if (matched) {
+        if (matched.ambiguous) {
+          // 同字面量对应多 userId，无法判定意图；整段累入 buffer 让短前缀候选没机会再扫这段
+          buffer += '@' + matched.name
+        } else {
+          flush()
+          // 渲染统一走 displayName（即真实昵称），让历史 content 里残留的备注 / 群昵称也收敛到 nickname
+          out.push(tipMention(matched.userId, '@' + (matched.displayName || matched.name)))
+        }
+        i += 1 + matched.name.length
+        continue
+      }
+    }
+    const head = text[i]
+    if (head === 'h' || head === 'H' || head === 'w' || head === 'W') {
+      URL_STICKY_REGEX.lastIndex = i
+      const linkMatch = URL_STICKY_REGEX.exec(text)
+      if (linkMatch) {
+        const urlText = linkMatch[0].replace(URL_TRAILING_PUNCTUATION, '')
+        if (urlText.length >= URL_MIN_LENGTH) {
+          flush()
+          const href = /^https?:\/\//i.test(urlText) ? urlText : `https://${urlText}`
+          out.push(tipLink(href, urlText))
+          i += urlText.length
+          continue
+        }
+      }
+    }
+    buffer += text[i]
+    i += 1
+  }
+  flush()
+  return out
+}
+
 // ==================== 引用消息 ====================
 
 /** 引用消息 payload(对齐后端 QuoteMessage) */
diff --git a/src/views/im/utils/user.ts b/src/views/im/utils/user.ts
index 067efe944..b20f986bf 100644
--- a/src/views/im/utils/user.ts
+++ b/src/views/im/utils/user.ts
@@ -9,20 +9,35 @@
 // 命名约定：显示名相关函数一律使用 displayName，与 friend.displayName / member.displayUserName 字段对齐
 // ====================================================================
 
+import { countBy } from 'lodash-es'
+
 import { useUserStore } from '@/store/modules/user'
 import { SystemUserSexEnum } from '@/utils/constants'
-import { ImConversationType, ImMessageType } from './constants'
+import {
+  ImConversationType,
+  ImFriendAddSource,
+  ImMessageType,
+  IM_AT_ALL_NICKNAME,
+  IM_AT_ALL_USER_ID
+} from './constants'
 import { getCurrentUserId } from './storage'
 import {
   joinMentionSegments,
   segmentsToText,
   tipMention,
   tipText,
+  type MentionCandidate,
   type TipSegment
 } from './message'
+import { useConversationStore } from '../home/store/conversationStore'
 import { useFriendStore } from '../home/store/friendStore'
 import { useGroupStore } from '../home/store/groupStore'
-import type { Friend, Group } from '../home/types'
+import { useImUiStore } from '../home/store/uiStore'
+import type { Conversation, Friend, Group, User } from '../home/types'
+
+// 候选缺失场景的稳定空数组；让 textMentions computed 在非 TEXT / 非群聊 / 无 @ 时返回同一引用，
+// MessageBubble 的 textSegments 才不会跟着无谓重算
+const EMPTY_MENTIONS: MentionCandidate[] = []
 
 /**
  * 私聊好友显示名：备注 > 真实昵称
@@ -161,7 +176,6 @@ export function getSenderRealNickname(
   return String(senderId)
 }
 
-// TODO @AI：这个方法，还需要么？之前是哪个调用的，可能要看看。
 /**
  * 消息发送者头像；按 conversation 上下文实时查 group.members / friend / userStore
  *
@@ -189,6 +203,104 @@ export function getSenderAvatar(
   return useFriendStore().getFriend(senderId)?.avatar || ''
 }
 
+/**
+ * 群消息 @ mention 候选：按 atUserIds 反查群成员，name 收集所有可能字面量（含好友备注 / 群自定义昵称），displayName 统一指向真实昵称
+ *
+ * 同字面量被多 userId 共享时标记 ambiguous，由 parser 整段吃成普通文本；
+ * 直接剔除会让短前缀候选（如「@张」）抢吃「@张三」的前缀，错绑到唯一的「张」用户
+ */
+export function getMentionCandidates(
+  atUserIds: number[] | undefined,
+  conversation: Pick<Conversation, 'type' | 'targetId'> | null | undefined
+): MentionCandidate[] {
+  if (!atUserIds || atUserIds.length === 0) {
+    return EMPTY_MENTIONS
+  }
+  if (!conversation || conversation.type !== ImConversationType.GROUP) {
+    return EMPTY_MENTIONS
+  }
+  // 群成员预建 Map，避免每个 atUserId 走一次 array find（@全体成员场景下成员数 × atUserIds 是 N²）
+  const members = useGroupStore().getGroup(conversation.targetId)?.members || []
+  const memberById = new Map(members.map((m) => [m.userId, m]))
+  const friendStore = useFriendStore()
+  const candidates: MentionCandidate[] = []
+  const seen = new Set<string>()
+  for (const userId of atUserIds) {
+    // @全体成员是虚拟伪成员，userId = -1 在 group.members 里查不到，注入字面量「所有人」候选
+    if (userId === IM_AT_ALL_USER_ID) {
+      const key = `${IM_AT_ALL_USER_ID}#${IM_AT_ALL_NICKNAME}`
+      if (!seen.has(key)) {
+        seen.add(key)
+        candidates.push({
+          userId: IM_AT_ALL_USER_ID,
+          name: IM_AT_ALL_NICKNAME,
+          displayName: IM_AT_ALL_NICKNAME
+        })
+      }
+      continue
+    }
+    const member = memberById.get(userId)
+    const friend = friendStore.getFriend(userId)
+    const nickname = (member?.nickname || friend?.nickname || '').trim()
+    if (!nickname) {
+      continue
+    }
+    for (const literal of [nickname, friend?.displayName, member?.displayUserName]) {
+      const trimmed = (literal || '').trim()
+      if (!trimmed) {
+        continue
+      }
+      const key = `${userId}#${trimmed}`
+      if (seen.has(key)) {
+        continue
+      }
+      seen.add(key)
+      candidates.push({ userId, name: trimmed, displayName: nickname })
+    }
+  }
+  // seen 已保证 (userId, name) 唯一，所以 countBy 出来的同 name 计数 > 1 一定是跨 userId 歧义
+  const nameCount = countBy(candidates, 'name')
+  for (const candidate of candidates) {
+    if (nameCount[candidate.name] > 1) {
+      candidate.ambiguous = true
+    }
+  }
+  return candidates
+}
+
+/**
+ * 文本 / tip 里 mention 段点击的统一入口：派生 User 弹 UserInfoCard
+ *
+ * 头像走 getSenderAvatar；昵称取真实昵称，friend / member 都查不到时用 fallbackName 兜底（如灰条 tip 段的字面量文本）；
+ * addSource 群聊带 GROUP + 群名（用于「加为好友」的来源 + 备注弹文案），私聊降级 SEARCH；
+ * @全体成员 是广播 mention 没有具体用户实体，对齐微信 PC 不弹卡片
+ */
+export function openMentionUserInfoCardAtEvent(
+  userId: number,
+  event: MouseEvent,
+  fallbackName?: string
+): void {
+  if (userId === IM_AT_ALL_USER_ID) {
+    return
+  }
+  const conversation = useConversationStore().activeConversation
+  const isGroup = conversation?.type === ImConversationType.GROUP
+  const group = isGroup ? useGroupStore().getGroup(conversation!.targetId) : undefined
+  const member = group?.members?.find((m) => m.userId === userId)
+  const friend = useFriendStore().getFriend(userId)
+  const user: User = {
+    id: userId,
+    nickname: friend?.nickname || member?.nickname || fallbackName || String(userId),
+    avatar: getSenderAvatar(userId, conversation?.type ?? 0, conversation?.targetId ?? 0)
+  }
+  useImUiStore().openUserInfoCardAtEvent(
+    user,
+    event,
+    isGroup ? ImFriendAddSource.GROUP : ImFriendAddSource.SEARCH,
+    isGroup ? group?.name || '' : ''
+  )
+}
+
 /**
  * 群广播事件（GROUP_* 系列）的中文文案
  *