diff --git a/pages_tool/ai-chat/ai-chat-message.vue b/pages_tool/ai-chat/ai-chat-message.vue
index a5ce9dd..a7b57a5 100644
--- a/pages_tool/ai-chat/ai-chat-message.vue
+++ b/pages_tool/ai-chat/ai-chat-message.vue
@@ -480,8 +480,8 @@
             <view class="voice-icon-bg"></view>
           </view>
 
-          <view class="model-selector" @click="onToggleModelSelector">
-            <!-- 圆圈 @ 图标,H5/小程序通用 -->
+          <!-- PR-HIDE-MODEL-SELECTOR (2026-09-24): 暂时隐藏模型选择器,统一只用 Auto;恢复时把 v-if 改回 true 或去掉 -->
+          <view v-if="false" class="model-selector" @click="onToggleModelSelector">
             <view class="model-icon-circle">
               <text class="model-icon-text">@</text>
             </view>