diff --git a/resources/views/chat/frame.blade.php b/resources/views/chat/frame.blade.php
index a4d4221..0642ee3 100644
--- a/resources/views/chat/frame.blade.php
+++ b/resources/views/chat/frame.blade.php
@@ -95,6 +95,9 @@
         @include('chat.partials.right-panel')
     </div>
 
+    {{-- ═══════════ 全局自定义弹窗（替代原生 alert/confirm，全页面可用） ═══════════ --}}
+    @include('chat.partials.global-dialog')
+
     {{-- ═══════════ 聊天室交互脚本（独立文件维护） ═══════════ --}}
     @include('chat.partials.user-actions')
 
diff --git a/resources/views/chat/partials/global-dialog.blade.php b/resources/views/chat/partials/global-dialog.blade.php
new file mode 100644
index 0000000..fb3620d
--- /dev/null
+++ b/resources/views/chat/partials/global-dialog.blade.php
@@ -0,0 +1,178 @@
+{{--
+    文件功能：全局自定义弹窗组件（替代原生 alert / confirm）
+
+    提供全局 JS API：
+      - window.chatDialog.alert(message, title?, color?)   → Promise<void>
+      - window.chatDialog.confirm(message, title?, color?) → Promise<boolean>
+
+    任何 JS 代码（Alpine.js 组件、toolbar、scripts 等）均可直接调用，
+    无需使用浏览器原生弹窗，避免 Chrome/Edge 兼容性问题。
+
+    @author   ChatRoom Laravel
+    @version  1.0.0
+--}}
+
+{{-- ─── 全局弹窗遮罩 ─── --}}
+<div id="global-dialog-modal"
+    style="display:none; position:fixed; inset:0; background:rgba(0,0,0,.5);
+           z-index:999999; justify-content:center; align-items:center;">
+    <div id="global-dialog-box"
+        style="background:#fff; border-radius:10px; width:320px; max-width:90vw;
+               box-shadow:0 12px 40px rgba(0,0,0,.35); overflow:hidden;
+               animation:gdSlideIn .18s ease;">
+
+        {{-- 标题栏（颜色由 JS 动态设置） --}}
+        <div id="global-dialog-header" style="padding:13px 18px; font-size:14px; font-weight:bold; color:#fff;">
+        </div>
+
+        {{-- 内容区 --}}
+        <div id="global-dialog-message"
+            style="padding:18px 18px 14px; font-size:13px; color:#374151;
+                   line-height:1.6; word-break:break-word;">
+        </div>
+
+        {{-- 按钮区 --}}
+        <div style="display:flex; gap:10px; padding:0 18px 16px;">
+            <button id="global-dialog-cancel-btn" onclick="window.chatDialog._cancel()"
+                style="flex:1; padding:9px; background:#f3f4f6; color:#555;
+                       border:1px solid #d1d5db; border-radius:6px;
+                       font-size:13px; cursor:pointer; transition:background .15s;">
+                取消
+            </button>
+            <button id="global-dialog-confirm-btn" onclick="window.chatDialog._confirm()"
+                style="flex:1; padding:9px; color:#fff; border:none;
+                       border-radius:6px; font-size:13px; font-weight:bold;
+                       cursor:pointer; transition:opacity .15s;">
+                确定
+            </button>
+        </div>
+    </div>
+</div>
+
+<style>
+    @keyframes gdSlideIn {
+        from {
+            opacity: 0;
+            transform: scale(.92) translateY(-8px);
+        }
+
+        to {
+            opacity: 1;
+            transform: scale(1) translateY(0);
+        }
+    }
+
+    #global-dialog-cancel-btn:hover {
+        background: #e5e7eb !important;
+    }
+
+    #global-dialog-confirm-btn:hover {
+        opacity: .88;
+    }
+</style>
+
+<script>
+    /**
+     * 全局弹窗工具，提供 alert / confirm 两种模式。
+     * 替代浏览器原生弹窗，兼容 Chrome/Edge/Safari。
+     *
+     * 用法：
+     *   await window.chatDialog.alert('操作成功！', '提示', '#16a34a');
+     *   const yes = await window.chatDialog.confirm('确定要删除吗？', '请确认');
+     *   if (yes) { ... }
+     */
+    window.chatDialog = (function() {
+        let _resolve = null;
+
+        const $ = id => document.getElementById(id);
+
+        /** 打开弹窗内部方法 */
+        function _open({
+            message,
+            title,
+            color,
+            type
+        }) {
+            $('global-dialog-header').textContent = title;
+            $('global-dialog-header').style.background = color;
+            $('global-dialog-message').textContent = message;
+            $('global-dialog-confirm-btn').style.background = color;
+
+            // 撤销/alert 模式隐藏取消按钮
+            const cancelBtn = $('global-dialog-cancel-btn');
+            cancelBtn.style.display = type === 'confirm' ? '' : 'none';
+
+            // 调整确认按钮宽度
+            $('global-dialog-confirm-btn').style.flex = type === 'confirm' ? '1' : '1 1 100%';
+
+            $('global-dialog-modal').style.display = 'flex';
+        }
+
+        return {
+            /**
+             * 显示提示弹窗（替代 alert）。
+             *
+             * @param  {string}  message  提示内容
+             * @param  {string}  title    标题（默认：提示）
+             * @param  {string}  color    标题栏颜色（默认蓝色）
+             * @return {Promise<void>}
+             */
+            alert(message, title = '提示', color = '#336699') {
+                return new Promise(resolve => {
+                    _resolve = resolve;
+                    _open({
+                        message,
+                        title,
+                        color,
+                        type: 'alert'
+                    });
+                });
+            },
+
+            /**
+             * 显示确认弹窗（替代 confirm）。
+             *
+             * @param  {string}  message  确认内容
+             * @param  {string}  title    标题（默认：请确认）
+             * @param  {string}  color    标题栏颜色（默认红色）
+             * @return {Promise<boolean>} 用户点确定返回 true，取消返回 false
+             */
+            confirm(message, title = '请确认', color = '#cc4444') {
+                return new Promise(resolve => {
+                    _resolve = resolve;
+                    _open({
+                        message,
+                        title,
+                        color,
+                        type: 'confirm'
+                    });
+                });
+            },
+
+            /** 点确定按钮 */
+            _confirm() {
+                _resolve?.(true);
+                this._hide();
+            },
+
+            /** 点取消按钮 */
+            _cancel() {
+                _resolve?.(false);
+                this._hide();
+            },
+
+            /** 关闭弹窗 */
+            _hide() {
+                $('global-dialog-modal').style.display = 'none';
+                _resolve = null;
+            },
+        };
+    })();
+
+    // 点击遮罩层关闭（等同点取消）
+    document.getElementById('global-dialog-modal').addEventListener('click', function(e) {
+        if (e.target === this) {
+            window.chatDialog._cancel();
+        }
+    });
+</script>
diff --git a/resources/views/chat/partials/toolbar.blade.php b/resources/views/chat/partials/toolbar.blade.php
index 0c579a1..830ffbe 100644
--- a/resources/views/chat/partials/toolbar.blade.php
+++ b/resources/views/chat/partials/toolbar.blade.php
@@ -35,32 +35,9 @@
         <div class="tool-btn" onclick="window.open('{{ route('leaderboard.index') }}', '_blank')" title="排行榜">排行
         </div>
     @endif
-    <div class="tool-btn" style="color: #ffaaaa;" onclick="showLeaveConfirm()" title="离开聊天室">离开
-    </div>
-</div>
-
-{{-- ═══════════ 离开确认弹窗（自定义，避免 Chrome 原生 confirm 冲突）═══════════ --}}
-<div id="leave-confirm-modal"
-    style="display:none; position:fixed; inset:0; background:rgba(0,0,0,.5); z-index:99999;
-           justify-content:center; align-items:center;">
-    <div
-        style="background:#fff; border-radius:8px; width:300px; box-shadow:0 8px 32px rgba(0,0,0,.3);
-                overflow:hidden;">
-        <div
-            style="background:linear-gradient(135deg,#cc4444,#e06060); color:#fff;
-                    padding:12px 16px; font-size:14px; font-weight:bold;">
-            ⚠️ 离开聊天室</div>
-        <div style="padding:20px 16px; font-size:13px; color:#444; text-align:center;">
-            确定要离开聊天室吗？
-        </div>
-        <div style="display:flex; gap:10px; padding:0 16px 16px;">
-            <button onclick="hideLeaveConfirm()"
-                style="flex:1; padding:8px; background:#eee; color:#555; border:1px solid #ccc;
-                       border-radius:4px; font-size:13px; cursor:pointer;">取消</button>
-            <button onclick="hideLeaveConfirm(); leaveRoom();"
-                style="flex:1; padding:8px; background:#cc4444; color:#fff; border:none;
-                       border-radius:4px; font-size:13px; font-weight:bold; cursor:pointer;">确定离开</button>
-        </div>
+    <div class="tool-btn" style="color: #ffaaaa;"
+        onclick="window.chatDialog.confirm('确定要离开聊天室吗？', '离开聊天室').then(ok => { if (ok) leaveRoom(); })" title="离开聊天室">
+        离开
     </div>
 </div>
 
@@ -340,20 +317,6 @@
             btn.style.cursor = 'pointer';
         }
     }
-    /** 显示离开确认弹窗（替代原生 confirm，避免 Chrome 弹窗冲突） */
-    function showLeaveConfirm() {
-        document.getElementById('leave-confirm-modal').style.display = 'flex';
-    }
-
-    /** 隐藏离开确认弹窗 */
-    function hideLeaveConfirm() {
-        document.getElementById('leave-confirm-modal').style.display = 'none';
-    }
-
-    // 点遮罩关闭
-    document.getElementById('leave-confirm-modal').addEventListener('click', function(e) {
-        if (e.target === this) hideLeaveConfirm();
-    });
 </script>
 
 {{-- ═══════════ 商店弹窗 ═══════════ --}}
diff --git a/resources/views/chat/partials/user-actions.blade.php b/resources/views/chat/partials/user-actions.blade.php
index d14ecee..e577d0f 100644
--- a/resources/views/chat/partials/user-actions.blade.php
+++ b/resources/views/chat/partials/user-actions.blade.php
@@ -103,6 +103,10 @@
             showPositionHistory: false, // 职务履历
             showAdminPanel: false, // 管理操作（管理操作+职务操作合并）
 
+            // 自定义弹窗：直接代理到全局 window.chatDialog
+            $alert: (...args) => window.chatDialog.alert(...args),
+            $confirm: (...args) => window.chatDialog.confirm(...args),
+
             /** 获取用户资料 */
             async fetchUser(username) {
                 try {
@@ -176,19 +180,28 @@
                         })
                     });
                     const data = await res.json();
-                    alert(data.message);
-                    if (data.status === 'success') {
+                    const ok = data.status === 'success';
+                    this.$alert(
+                        data.message,
+                        ok ? '任命成功 ✨' : '操作失败',
+                        ok ? '#16a34a' : '#cc4444'
+                    );
+                    if (ok) {
                         this.showUserModal = false;
                     }
                 } catch (e) {
-                    alert('网络异常');
+                    this.$alert('网络异常，请稍后重试', '错误', '#cc4444');
                 }
                 this.appointLoading = false;
             },
 
             /** 快速撤销 */
             async doRevoke() {
-                if (!confirm('确定要撤销 ' + this.userInfo.username + ' 的职务吗？')) return;
+                const ok = await this.$confirm(
+                    '确定要撤销 「' + this.userInfo.username + '」 的职务吗？撤销后将不再拥有相关权限。',
+                    '撤销职务'
+                );
+                if (!ok) return;
                 this.appointLoading = true;
                 try {
                     const res = await fetch(window.chatContext.revokeUrl, {
@@ -201,12 +214,17 @@
                         })
                     });
                     const data = await res.json();
-                    alert(data.message);
-                    if (data.status === 'success') {
+                    const revOk = data.status === 'success';
+                    this.$alert(
+                        data.message,
+                        revOk ? '撤销成功' : '操作失败',
+                        revOk ? '#6b7280' : '#cc4444'
+                    );
+                    if (revOk) {
                         this.showUserModal = false;
                     }
                 } catch (e) {
-                    alert('网络异常');
+                    this.$alert('网络异常', '错误', '#cc4444');
                 }
                 this.appointLoading = false;
             },