diff --git a/src/api/im/friend/index.ts b/src/api/im/friend/index.ts
index f6f1afa90..229e37578 100644
--- a/src/api/im/friend/index.ts
+++ b/src/api/im/friend/index.ts
@@ -47,3 +47,13 @@ export const updateFriend = (data: ImFriendUpdateReqVO) => {
   return request.put<boolean>({ url: '/im/friend/update', data })
 }
 
+// 拉黑好友（必须先是好友；单边屏蔽对方私聊消息）
+export const blockFriend = (friendUserId: number | string) => {
+  return request.put<boolean>({ url: '/im/friend/block', params: { friendUserId } })
+}
+
+// 移出黑名单
+export const unblockFriend = (friendUserId: number | string) => {
+  return request.put<boolean>({ url: '/im/friend/unblock', params: { friendUserId } })
+}
+
diff --git a/src/views/im/home/components/user/UserInfo.vue b/src/views/im/home/components/user/UserInfo.vue
index b4daa23af..08801a278 100644
--- a/src/views/im/home/components/user/UserInfo.vue
+++ b/src/views/im/home/components/user/UserInfo.vue
@@ -39,7 +39,7 @@
           <div class="truncate">部门：{{ deptText }}</div>
         </div>
       </div>
-      <!-- 右上 "..." 菜单：仅 friend 态展示，菜单项目前只有"删除联系人"（其它 WeChat 选项业务上未支持） -->
+      <!-- 右上 "..." 菜单：仅 friend 态展示；含「加入/移出黑名单」 + 「删除联系人」 -->
       <div v-if="relation === 'friend'" class="flex-shrink-0">
         <el-dropdown trigger="click" placement="bottom-end" popper-class="im-user-info__more-menu">
           <div
@@ -49,7 +49,10 @@
           </div>
           <template #dropdown>
             <el-dropdown-menu>
-              <el-dropdown-item @click="handleDeleteFriend">
+              <!-- 拉黑 / 移出黑名单：按 friendInfo.blocked 切换文案 -->
+              <el-dropdown-item v-if="!isBlocked" @click="handleBlock">加入黑名单</el-dropdown-item>
+              <el-dropdown-item v-else @click="handleUnblock">移出黑名单</el-dropdown-item>
+              <el-dropdown-item divided @click="handleDeleteFriend">
                 <span class="text-[var(--el-color-danger)]">删除联系人</span>
               </el-dropdown-item>
             </el-dropdown-menu>
@@ -237,11 +240,14 @@ const deptText = computed(() => full.value?.deptName || '-')
 const genderIcon = computed(() => getGenderIcon(full.value?.sex))
 const genderColor = computed(() => getGenderColor(full.value?.sex))
 
-/** 好友关系记录：来源 / 添加时间从这里取（仅 friend 态下才有意义） */
+/** 好友关系记录：来源 / 添加时间 / 是否拉黑从这里取（仅 friend 态下才有意义） */
 const friendInfo = computed(() =>
   props.user?.id ? friendStore.getFriend(props.user.id) : undefined
 )
 
+/** 是否已拉黑：菜单项「加入黑名单 / 移出黑名单」按这个切换 */
+const isBlocked = computed(() => !!friendInfo.value?.blocked)
+
 /** 备注内联编辑：editingRemark 控制输入态；user 切换时由下面的 watch 复位避免脏态泄漏 */
 const editingRemark = ref(false)
 const remarkInput = ref('')
@@ -346,6 +352,26 @@ function handleAddFriend() {
   addFriendVisible.value = true
 }
 
+/** 加入黑名单：confirm → friendStore.blockFriend；后端 FRIEND_BLOCK 推到时由 dispatcher 同步多端 */
+async function handleBlock() {
+  if (!props.user?.id) {
+    return
+  }
+  const target = props.user
+  await message.confirm(`确定将「${target.nickname || ''}」加入黑名单吗？`, '加入黑名单')
+  await friendStore.blockFriend(target.id)
+  message.success('已加入黑名单')
+}
+
+/** 移出黑名单：操作温和不弹 confirm；后端 FRIEND_UNBLOCK 推到时由 dispatcher 同步多端 */
+async function handleUnblock() {
+  if (!props.user?.id) {
+    return
+  }
+  await friendStore.unblockFriend(props.user.id)
+  message.success('已移出黑名单')
+}
+
 /** 删除联系人：confirm → friendStore.deleteFriend（内部级联清会话）→ 通知父级关浮层 / 清选中 */
 async function handleDeleteFriend() {
   if (!props.user?.id) {
diff --git a/src/views/im/home/store/friendStore.ts b/src/views/im/home/store/friendStore.ts
index 6ed0fab6f..0154daa29 100644
--- a/src/views/im/home/store/friendStore.ts
+++ b/src/views/im/home/store/friendStore.ts
@@ -7,6 +7,8 @@ import {
   getFriend as apiGetFriend,
   deleteFriend as apiDeleteFriend,
   updateFriend as apiUpdateFriend,
+  blockFriend as apiBlockFriend,
+  unblockFriend as apiUnblockFriend,
   type ImFriendRespVO
 } from '@/api/im/friend'
 import {
@@ -235,6 +237,26 @@ export const useFriendStore = defineStore('imFriendStore', {
       }
     },
 
+    /** 拉黑好友：本端乐观更新 + 调接口；后端 FRIEND_BLOCK 推到时由 dispatcher 兜底同步多端 */
+    async blockFriend(friendUserId: number) {
+      await apiBlockFriend(friendUserId)
+      const friend = this.getFriend(friendUserId)
+      if (friend) {
+        friend.blocked = true
+        this.saveFriends()
+      }
+    },
+
+    /** 移出黑名单：本端乐观更新 + 调接口；后端 FRIEND_UNBLOCK 推到时由 dispatcher 兜底同步多端 */
+    async unblockFriend(friendUserId: number) {
+      await apiUnblockFriend(friendUserId)
+      const friend = this.getFriend(friendUserId)
+      if (friend) {
+        friend.blocked = false
+        this.saveFriends()
+      }
+    },
+
     /** 修改好友展示备注（仅自己可见） */
     async setDisplayName(friendUserId: number, displayName: string) {
       const value = displayName.trim()