diff --git a/app/Models/ShopItem.php b/app/Models/ShopItem.php
index 8fb67a5..f119a49 100644
--- a/app/Models/ShopItem.php
+++ b/app/Models/ShopItem.php
@@ -14,6 +14,7 @@ use Illuminate\Database\Eloquent\Relations\HasMany;
 class ShopItem extends Model
 {
     public const TYPE_SIGN_REPAIR = 'sign_repair';
+    public const DECORATION_TYPES = ['msg_bubble', 'msg_name_color', 'msg_text_color', 'avatar_frame'];
 
     protected $table = 'shop_items';
 
@@ -51,6 +52,14 @@ class ShopItem extends Model
         return $this->type === self::TYPE_SIGN_REPAIR;
     }
 
+    /**
+     * 是否为个人装扮（气泡、颜色、头像框等）。
+     */
+    public function isDecoration(): bool
+    {
+        return in_array($this->type, self::DECORATION_TYPES, true);
+    }
+
     /**
      * 是否为特效类商品（instant 或 duration，slug 以 once_ 或 week_ 开头）
      */
diff --git a/app/Services/ShopService.php b/app/Services/ShopService.php
index 167a0aa..64efc4e 100644
--- a/app/Services/ShopService.php
+++ b/app/Services/ShopService.php
@@ -30,7 +30,7 @@ class ShopService
      */
     public function buyItem(User $user, ShopItem $item, int $quantity = 1): array
     {
-        if ($quantity !== 1 && $item->type !== ShopItem::TYPE_SIGN_REPAIR) {
+        if ($quantity !== 1 && $item->type !== ShopItem::TYPE_SIGN_REPAIR && !$item->isDecoration()) {
             return ['ok' => false, 'message' => '该商品暂不支持批量购买。'];
         }
 
diff --git a/resources/js/chat-room/dialog.js b/resources/js/chat-room/dialog.js
index deea175..63b4284 100644
--- a/resources/js/chat-room/dialog.js
+++ b/resources/js/chat-room/dialog.js
@@ -44,7 +44,7 @@ function openDialog({ message, title, color, type, defaultVal, confirmText, canc
 
     header.textContent = title;
     header.style.background = color;
-    messageBox.textContent = message;
+    messageBox.innerText = message;
     confirmButton.style.background = color;
     confirmButton.textContent = confirmText || "确定";
     cancelButton.textContent = cancelText || "取消";