diff --git a/pages_tool/ai-chat/ai-chat-message.vue b/pages_tool/ai-chat/ai-chat-message.vue
index 207633e..55ae522 100644
--- a/pages_tool/ai-chat/ai-chat-message.vue
+++ b/pages_tool/ai-chat/ai-chat-message.vue
@@ -329,8 +329,8 @@
       </view>
     </view>
     
-    <!-- 键盘垫高层：键盘弹出时撑开空间将输入框上推 -->
-    <view v-if="keyboardHeight > 0" :style="{ height: keyboardHeight + 'px', flexShrink: 0 }"></view>
+    <!-- 键盘垫高层：键盘弹出时平滑撑开空间将输入框上推 -->
+    <view class="keyboard-spacer" :style="{ height: keyboardHeight + 'px' }"></view>
     
     <!-- 语音输入面板 -->
     <view v-if="enalbeVoicePanelShow" class="voice-popup">
@@ -2895,6 +2895,12 @@ $radius-lg: 36rpx;
     }
   }
 
+    /* 键盘垫高层：高度变化时平滑过渡 */
+  .keyboard-spacer {
+    flex-shrink: 0;
+    transition: height 0.25s ease;
+  }
+
     /* 输入区域 */
   .input-area {
     background: white; /* 白色 */