diff --git a/resources/views/chat/partials/user-actions.blade.php b/resources/views/chat/partials/user-actions.blade.php
index c8e1af6..6c75cd8 100644
--- a/resources/views/chat/partials/user-actions.blade.php
+++ b/resources/views/chat/partials/user-actions.blade.php
@@ -52,6 +52,9 @@
      * 通过 Alpine.js 的 fetchUser 方法加载用户资料并显示弹窗。
      */
     function openUserCard(username) {
+        // 剥除可能从消息内容带入的装饰括号（如 【username】 → username）
+        username = String(username).replace(/^[\u3010\[【\s]+|[\u3011\]】\s]+$/g, '').trim();
+        if (!username) return;
         const el = document.getElementById('user-modal-container');
         if (el) {
             const data = Alpine.$data(el);