diff --git a/app/Http/Controllers/Admin/ForbiddenUsernameController.php b/app/Http/Controllers/Admin/ForbiddenUsernameController.php
new file mode 100644
index 0000000..5850019
--- /dev/null
+++ b/app/Http/Controllers/Admin/ForbiddenUsernameController.php
@@ -0,0 +1,115 @@
+<?php
+
+/**
+ * 文件功能：禁用用户名管理控制器（站长专用）
+ *
+ * 管理 username_blacklist 表中 type=permanent 的永久禁用词列表。
+ * 包含：国家领导人名称、攻击性词汇、违禁词等不允许注册或改名的词语。
+ *
+ * 用户在注册（AuthController）和改名（ShopService::useRenameCard）时均会经过该表检测。
+ *
+ * @author  ChatRoom Laravel
+ *
+ * @version 1.0.0
+ */
+
+namespace App\Http\Controllers\Admin;
+
+use App\Http\Controllers\Controller;
+use App\Models\UsernameBlacklist;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+use Illuminate\Support\Carbon;
+
+class ForbiddenUsernameController extends Controller
+{
+    /**
+     * 分页列出所有永久禁用词。
+     * 支持关键词模糊搜索（GET ?q=xxx）。
+     */
+    public function index(Request $request): \Illuminate\View\View
+    {
+        $q = $request->query('q', '');
+
+        $items = UsernameBlacklist::permanent()
+            ->when($q, fn ($query) => $query->where('username', 'like', "%{$q}%"))
+            ->orderByDesc('created_at')
+            ->paginate(20)
+            ->withQueryString();
+
+        return view('admin.forbidden-usernames.index', [
+            'items' => $items,
+            'q' => $q,
+        ]);
+    }
+
+    /**
+     * 新增一条永久禁用词。
+     *
+     * @param  Request  $request  请求体：username（必填），reason（选填）
+     */
+    public function store(Request $request): JsonResponse
+    {
+        $validated = $request->validate([
+            'username' => ['required', 'string', 'max:50'],
+            'reason' => ['nullable', 'string', 'max:100'],
+        ], [
+            'username.required' => '禁用词不能为空。',
+            'username.max' => '禁用词最长50字符。',
+        ]);
+
+        $username = trim($validated['username']);
+
+        // 已存在同名的永久记录则不重复插入
+        $exists = UsernameBlacklist::permanent()
+            ->where('username', $username)
+            ->exists();
+
+        if ($exists) {
+            return response()->json(['status' => 'error', 'message' => '该词语已在永久禁用列表中。'], 422);
+        }
+
+        UsernameBlacklist::create([
+            'username' => $username,
+            'type' => 'permanent',
+            'reserved_until' => null,
+            'reason' => $validated['reason'] ?? null,
+            'created_at' => Carbon::now(),
+        ]);
+
+        return response()->json(['status' => 'success', 'message' => "「{$username}」已加入永久禁用列表。"]);
+    }
+
+    /**
+     * 更新指定禁用词的原因备注。
+     *
+     * @param  int  $id  记录 ID
+     * @param  Request  $request  请求体：reason
+     */
+    public function update(Request $request, int $id): JsonResponse
+    {
+        $item = UsernameBlacklist::permanent()->findOrFail($id);
+
+        $validated = $request->validate([
+            'reason' => ['nullable', 'string', 'max:100'],
+        ]);
+
+        $item->update(['reason' => $validated['reason']]);
+
+        return response()->json(['status' => 'success', 'message' => '备注已更新。']);
+    }
+
+    /**
+     * 删除指定永久禁用词。
+     *
+     * @param  int  $id  记录 ID
+     */
+    public function destroy(int $id): JsonResponse
+    {
+        $item = UsernameBlacklist::permanent()->findOrFail($id);
+        $name = $item->username;
+        $item->delete();
+
+        return response()->json(['status' => 'success', 'message' => "「{$name}」已从永久禁用列表移除。"]);
+    }
+}
diff --git a/app/Http/Controllers/AuthController.php b/app/Http/Controllers/AuthController.php
index 58d80e6..d151e42 100644
--- a/app/Http/Controllers/AuthController.php
+++ b/app/Http/Controllers/AuthController.php
@@ -11,10 +11,11 @@
 namespace App\Http\Controllers;
 
 use App\Http\Requests\LoginRequest;
+use App\Models\Sysparam;
 use App\Models\User;
+use App\Models\UsernameBlacklist;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
-use App\Models\Sysparam;
 use Illuminate\Support\Facades\Auth;
 use Illuminate\Support\Facades\Hash;
 use Illuminate\Support\Facades\Redis;
@@ -99,6 +100,11 @@ class AuthController extends Controller
             return response()->json(['status' => 'error', 'message' => '您所在的 IP 地址已被管理员封禁，禁止注册新账号。'], 403);
         }
 
+        // 检测用户名是否在禁用词列表（永久禁用 或 改名临时保留期内）
+        if (UsernameBlacklist::isBlocked($username)) {
+            return response()->json(['status' => 'error', 'message' => '该用户名已被系统禁止注册，请更换其他名称。'], 422);
+        }
+
         $newUser = User::create([
             'username' => $username,
             'password' => Hash::make($password),
@@ -123,7 +129,7 @@ class AuthController extends Controller
 
         // 递增访问次数
         $user->increment('visit_num');
-        
+
         // 更新最后登录IP和时间
         $user->update([
             'last_ip' => $ip,
diff --git a/app/Models/UsernameBlacklist.php b/app/Models/UsernameBlacklist.php
index 10f92ca..91c1c76 100644
--- a/app/Models/UsernameBlacklist.php
+++ b/app/Models/UsernameBlacklist.php
@@ -2,7 +2,16 @@
 
 /**
  * 文件功能：用户名黑名单模型
- * 用户改名后旧名称写入此表，保留期间其他人无法注册该名称
+ *
+ * 支持两种类型的禁用记录：
+ *   temp      — 用户改名后旧名称的临时保留（30天），到期后其他人可注册
+ *   permanent — 管理员设置的永久禁用词（攻击性词汇、领导人名称等），永不可注册
+ *
+ * 凡是 isBlocked() 返回 true 的名称，无论注册还是改名均不允许使用。
+ *
+ * @author   ChatRoom Laravel
+ *
+ * @version  2.0.0
  */
 
 namespace App\Models;
@@ -13,22 +22,76 @@ class UsernameBlacklist extends Model
 {
     protected $table = 'username_blacklist';
 
-    public $timestamps = false; // 只有 created_at 无 updated_at
+    /** 只有 created_at，无 updated_at */
+    public $timestamps = false;
 
-    protected $fillable = ['username', 'reserved_until', 'created_at'];
+    protected $fillable = ['username', 'type', 'reserved_until', 'reason', 'created_at'];
 
-    protected $casts = [
-        'reserved_until' => 'datetime',
-        'created_at' => 'datetime',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'reserved_until' => 'datetime',
+            'created_at' => 'datetime',
+        ];
+    }
+
+    // ──────────────────────────────────────────
+    //  公共查询方法
+    // ──────────────────────────────────────────
 
     /**
-     * 判断给定名称是否在黑名单有效期内
+     * 判断给定名称是否被禁止使用。
+     *
+     * 满足以下任一条件时返回 true：
+     *   1. 存在 type=permanent 的永久禁用记录
+     *   2. 存在 type=temp 且 reserved_until 尚未过期的临时保留记录
+     *
+     * @param  string  $username  要检测的用户名
+     */
+    public static function isBlocked(string $username): bool
+    {
+        return static::where('username', $username)
+            ->where(function ($q) {
+                // 永久禁用
+                $q->where('type', 'permanent')
+                  // 或：临时保留且尚未到期
+                    ->orWhere(function ($q2) {
+                        $q2->where('type', 'temp')
+                            ->where('reserved_until', '>', now());
+                    });
+            })
+            ->exists();
+    }
+
+    /**
+     * 兼容旧调用：isReserved() 等同于 isBlocked()。
+     *
+     * @param  string  $username  要检测的用户名
+     *
+     * @deprecated 请使用 isBlocked()
      */
     public static function isReserved(string $username): bool
     {
-        return static::where('username', $username)
-            ->where('reserved_until', '>', now())
-            ->exists();
+        return static::isBlocked($username);
+    }
+
+    // ──────────────────────────────────────────
+    //  作用域（Scopes）
+    // ──────────────────────────────────────────
+
+    /**
+     * 仅查询永久禁用词（管理员维护的列表）。
+     */
+    public function scopePermanent($query)
+    {
+        return $query->where('type', 'permanent');
+    }
+
+    /**
+     * 仅查询临时保留记录（改名后旧名）。
+     */
+    public function scopeTemp($query)
+    {
+        return $query->where('type', 'temp');
     }
 }
diff --git a/database/migrations/2026_03_01_135706_add_type_reason_to_username_blacklist.php b/database/migrations/2026_03_01_135706_add_type_reason_to_username_blacklist.php
new file mode 100644
index 0000000..e88a6b7
--- /dev/null
+++ b/database/migrations/2026_03_01_135706_add_type_reason_to_username_blacklist.php
@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * 文件功能：为 username_blacklist 表新增 type 和 reason 字段
+ *
+ * type   区分临时保留（改名后30天）与永久禁用（管理员设置）
+ * reason 记录永久禁用的原因（如：攻击性词汇、领导人名称等）
+ */
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * 执行迁移：新增 type 和 reason 列。
+     */
+    public function up(): void
+    {
+        Schema::table('username_blacklist', function (Blueprint $table) {
+            // 类型：temp = 改名后临时保留；permanent = 管理员永久禁用
+            $table->enum('type', ['temp', 'permanent'])
+                ->default('temp')
+                ->after('username')
+                ->comment('temp=改名临时保留 | permanent=管理员永久禁用词');
+
+            // 禁用原因（permanent 时填写）
+            $table->string('reason', 100)
+                ->nullable()
+                ->after('reserved_until')
+                ->comment('永久禁用原因（攻击性词汇、领导人名称等）');
+        });
+    }
+
+    /**
+     * 回滚：删除新增列。
+     */
+    public function down(): void
+    {
+        Schema::table('username_blacklist', function (Blueprint $table) {
+            $table->dropColumn(['type', 'reason']);
+        });
+    }
+};
diff --git a/resources/views/admin/forbidden-usernames/index.blade.php b/resources/views/admin/forbidden-usernames/index.blade.php
new file mode 100644
index 0000000..a66d1a4
--- /dev/null
+++ b/resources/views/admin/forbidden-usernames/index.blade.php
@@ -0,0 +1,210 @@
+{{--
+    文件功能：后台禁用用户名管理页面（仅站长 id=1 可访问）
+
+    管理 username_blacklist.type=permanent 的永久禁止词列表。
+    用户在注册或使用改名卡时，系统自动查询此表进行拦截。
+
+    @extends admin.layouts.app
+--}}
+@extends('admin.layouts.app')
+
+@section('title', '禁用用户名管理')
+
+@section('content')
+
+    {{-- 标题 --}}
+    <div class="flex items-start justify-between mb-6">
+        <div>
+            <h2 class="text-xl font-bold text-gray-800">🚫 禁用用户名管理</h2>
+            <p class="text-sm text-gray-500 mt-1">
+                以下词语永久禁止注册或改名使用（领导人名称、攻击性词汇、违禁词等）。
+                临时保留的旧昵称（改名后30天）不在此列表中显示。
+            </p>
+        </div>
+    </div>
+
+    {{-- 新增表单 + 搜索栏 --}}
+    <div class="grid grid-cols-1 md:grid-cols-2 gap-4 mb-6" x-data="{
+        username: '',
+        reason: '',
+        saving: false,
+        msg: '',
+        msgOk: true,
+        async addWord() {
+            if (!this.username.trim()) return;
+            this.saving = true;
+            this.msg = '';
+            const res = await fetch('{{ route('admin.forbidden-usernames.store') }}', {
+                method: 'POST',
+                headers: {
+                    'X-CSRF-TOKEN': document.querySelector('meta[name=csrf-token]').content,
+                    'Content-Type': 'application/json',
+                    'Accept': 'application/json',
+                },
+                body: JSON.stringify({ username: this.username, reason: this.reason }),
+            });
+            const data = await res.json();
+            this.saving = false;
+            this.msgOk = data.status === 'success';
+            this.msg = data.message;
+            if (this.msgOk) { this.username = '';
+                this.reason = '';
+                setTimeout(() => location.reload(), 800); }
+        }
+    }">
+
+        {{-- 新增卡片 --}}
+        <div class="bg-white rounded-xl border border-gray-200 shadow-sm p-5">
+            <h3 class="font-bold text-gray-700 text-sm mb-3">➕ 新增禁用词</h3>
+            <div class="space-y-3">
+                <div>
+                    <label class="text-xs text-gray-500 mb-1 block">禁用词（用户名）<span class="text-red-500">*</span></label>
+                    <input x-model="username" type="text" maxlength="50" placeholder="如：admin、习近平、fuck…"
+                        @keydown.enter="addWord()"
+                        class="w-full border border-gray-300 rounded-lg px-3 py-2 text-sm focus:ring-2 focus:ring-indigo-400 outline-none">
+                </div>
+                <div>
+                    <label class="text-xs text-gray-500 mb-1 block">禁用原因（备注，选填）</label>
+                    <input x-model="reason" type="text" maxlength="100" placeholder="如：国家领导人姓名 / 攻击性词汇"
+                        class="w-full border border-gray-300 rounded-lg px-3 py-2 text-sm focus:ring-2 focus:ring-indigo-400 outline-none">
+                </div>
+                <button @click="addWord()" :disabled="saving || !username.trim()"
+                    class="w-full bg-indigo-600 hover:bg-indigo-700 disabled:opacity-40 text-white rounded-lg px-4 py-2 text-sm font-bold transition">
+                    <span x-text="saving ? '添加中…' : '➕ 添加到禁用列表'"></span>
+                </button>
+                <p x-show="msg" x-text="msg" :class="msgOk ? 'text-green-600' : 'text-red-500'"
+                    class="text-xs font-bold"></p>
+            </div>
+        </div>
+
+        {{-- 搜索卡片 --}}
+        <div class="bg-white rounded-xl border border-gray-200 shadow-sm p-5">
+            <h3 class="font-bold text-gray-700 text-sm mb-3">🔍 搜索禁用词</h3>
+            <form method="GET" action="{{ route('admin.forbidden-usernames.index') }}" class="space-y-3">
+                <input type="text" name="q" value="{{ $q }}" placeholder="输入关键词搜索…"
+                    class="w-full border border-gray-300 rounded-lg px-3 py-2 text-sm focus:ring-2 focus:ring-indigo-400 outline-none">
+                <div class="flex gap-2">
+                    <button type="submit"
+                        class="flex-1 bg-gray-600 hover:bg-gray-700 text-white rounded-lg px-4 py-2 text-sm font-bold transition">
+                        搜索
+                    </button>
+                    @if ($q)
+                        <a href="{{ route('admin.forbidden-usernames.index') }}"
+                            class="px-4 py-2 text-sm text-gray-500 border border-gray-300 rounded-lg hover:bg-gray-50 transition">
+                            ✕ 清除
+                        </a>
+                    @endif
+                </div>
+            </form>
+            <p class="text-xs text-gray-400 mt-3">
+                共 <strong>{{ $items->total() }}</strong> 条永久禁用词
+                @if ($q)
+                    （当前筛选"{{ $q }}"）
+                @endif
+            </p>
+        </div>
+    </div>
+
+    {{-- 禁用词列表 --}}
+    <div class="bg-white rounded-xl border border-gray-200 shadow-sm overflow-hidden">
+        <table class="w-full text-sm">
+            <thead class="bg-gray-50 border-b border-gray-200">
+                <tr>
+                    <th class="px-4 py-3 text-left text-xs font-bold text-gray-500 uppercase">词语</th>
+                    <th class="px-4 py-3 text-left text-xs font-bold text-gray-500 uppercase">禁用原因</th>
+                    <th class="px-4 py-3 text-left text-xs font-bold text-gray-500 uppercase">添加时间</th>
+                    <th class="px-4 py-3 text-center text-xs font-bold text-gray-500 uppercase">操作</th>
+                </tr>
+            </thead>
+            <tbody class="divide-y divide-gray-100">
+                @forelse ($items as $item)
+                    <tr x-data="{
+                        editing: false,
+                        reason: @js($item->reason ?? ''),
+                        saving: false,
+                        async saveReason() {
+                            this.saving = true;
+                            await fetch('/admin/forbidden-usernames/{{ $item->id }}', {
+                                method: 'POST',
+                                headers: {
+                                    'X-CSRF-TOKEN': document.querySelector('meta[name=csrf-token]').content,
+                                    'Content-Type': 'application/json',
+                                    'Accept': 'application/json',
+                                    'X-HTTP-Method-Override': 'PUT',
+                                },
+                                body: JSON.stringify({ reason: this.reason, _method: 'PUT' }),
+                            });
+                            this.saving = false;
+                            this.editing = false;
+                        },
+                        async destroy() {
+                            if (!confirm('确定要从禁用列表中移除「{{ $item->username }}」吗？')) return;
+                            await fetch('/admin/forbidden-usernames/{{ $item->id }}', {
+                                method: 'POST',
+                                headers: {
+                                    'X-CSRF-TOKEN': document.querySelector('meta[name=csrf-token]').content,
+                                    'Content-Type': 'application/json',
+                                    'Accept': 'application/json',
+                                    'X-HTTP-Method-Override': 'DELETE',
+                                },
+                                body: JSON.stringify({ _method: 'DELETE' }),
+                            });
+                            location.reload();
+                        }
+                    }" class="hover:bg-gray-50 transition">
+                        {{-- 词语 --}}
+                        <td class="px-4 py-3">
+                            <span
+                                class="font-mono font-bold text-gray-800 bg-red-50 border border-red-200 px-2 py-0.5 rounded text-xs">
+                                {{ $item->username }}
+                            </span>
+                        </td>
+                        {{-- 原因（点击编辑） --}}
+                        <td class="px-4 py-3 text-gray-600">
+                            <span x-show="!editing" @click="editing = true" class="cursor-pointer hover:text-indigo-600"
+                                x-text="reason || '（点击添加原因）'"></span>
+                            <div x-show="editing" class="flex items-center gap-2">
+                                <input x-model="reason" type="text" maxlength="100" @keydown.enter="saveReason()"
+                                    @keydown.escape="editing = false"
+                                    class="border border-indigo-300 rounded px-2 py-1 text-xs focus:ring-1 focus:ring-indigo-400 outline-none w-48">
+                                <button @click="saveReason()" :disabled="saving"
+                                    class="text-xs bg-indigo-600 text-white rounded px-2 py-1 hover:bg-indigo-700 disabled:opacity-50">
+                                    <span x-text="saving ? '…' : '保存'"></span>
+                                </button>
+                                <button @click="editing = false"
+                                    class="text-xs text-gray-400 hover:text-gray-600">取消</button>
+                            </div>
+                        </td>
+                        {{-- 时间 --}}
+                        <td class="px-4 py-3 text-gray-400 text-xs whitespace-nowrap">
+                            {{ $item->created_at?->format('Y-m-d H:i') ?? '-' }}
+                        </td>
+                        {{-- 操作 --}}
+                        <td class="px-4 py-3 text-center">
+                            <button @click="destroy()"
+                                class="text-xs text-red-600 hover:text-red-800 border border-red-200 hover:border-red-400 rounded px-3 py-1 transition">
+                                🗑 删除
+                            </button>
+                        </td>
+                    </tr>
+                @empty
+                    <tr>
+                        <td colspan="4" class="py-16 text-center text-gray-400">
+                            <p class="text-3xl mb-2">🚫</p>
+                            <p class="font-bold">暂无禁用词</p>
+                            <p class="text-xs mt-1">使用左侧表单添加第一条禁用词</p>
+                        </td>
+                    </tr>
+                @endforelse
+            </tbody>
+        </table>
+    </div>
+
+    {{-- 分页 --}}
+    @if ($items->hasPages())
+        <div class="mt-6">
+            {{ $items->links() }}
+        </div>
+    @endif
+
+@endsection
diff --git a/resources/views/admin/layouts/app.blade.php b/resources/views/admin/layouts/app.blade.php
index 17535ea..223b65d 100644
--- a/resources/views/admin/layouts/app.blade.php
+++ b/resources/views/admin/layouts/app.blade.php
@@ -101,6 +101,10 @@
                                 class="bg-orange-500 text-white text-xs px-1.5 py-0.5 rounded-full font-bold">{{ $pendingFeedback }}</span>
                         @endif
                     </a>
+                    <a href="{{ route('admin.forbidden-usernames.index') }}"
+                        class="block px-4 py-3 rounded-md transition {{ request()->routeIs('admin.forbidden-usernames.*') ? 'bg-indigo-600 font-bold' : 'hover:bg-white/10' }}">
+                        🚫 禁用用户名
+                    </a>
                 @endif
             @endif
         </nav>
diff --git a/routes/web.php b/routes/web.php
index 917cb44..53fb87c 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -261,5 +261,11 @@ Route::middleware(['chat.auth', 'chat.has_position'])->prefix('admin')->name('ad
         // 用户反馈管理
         Route::get('/feedback', [\App\Http\Controllers\Admin\FeedbackManagerController::class, 'index'])->name('feedback.index');
         Route::put('/feedback/{id}', [\App\Http\Controllers\Admin\FeedbackManagerController::class, 'update'])->name('feedback.update');
+
+        // 禁用用户名管理（永久禁止注册/改名的词语：领导人名称、攻击性词汇等）
+        Route::get('/forbidden-usernames', [\App\Http\Controllers\Admin\ForbiddenUsernameController::class, 'index'])->name('forbidden-usernames.index');
+        Route::post('/forbidden-usernames', [\App\Http\Controllers\Admin\ForbiddenUsernameController::class, 'store'])->name('forbidden-usernames.store');
+        Route::put('/forbidden-usernames/{id}', [\App\Http\Controllers\Admin\ForbiddenUsernameController::class, 'update'])->name('forbidden-usernames.update');
+        Route::delete('/forbidden-usernames/{id}', [\App\Http\Controllers\Admin\ForbiddenUsernameController::class, 'destroy'])->name('forbidden-usernames.destroy');
     });
 });