diff --git a/WebApp/client/public/onebyone/index.html b/WebApp/client/public/onebyone/index.html
index d63811f..9705c55 100644
--- a/WebApp/client/public/onebyone/index.html
+++ b/WebApp/client/public/onebyone/index.html
@@ -150,7 +150,7 @@
                 <!-- [FALLBACK: remoteUser.avatar] [TYPE: string] [URL] -->
                 <video id="remoteVideo"
                        alt="对方视频"
-                       class="w-full h-full object-cover"
+                       class="w-full h-full object-contain"
                        autoplay
                        data-field="remoteUser.videoStream">
                 </video>
diff --git a/WebApp/client/public/onebyone/renderer.js b/WebApp/client/public/onebyone/renderer.js
index 9c14a59..f7244cc 100644
--- a/WebApp/client/public/onebyone/renderer.js
+++ b/WebApp/client/public/onebyone/renderer.js
@@ -497,7 +497,7 @@ class UIRenderer {
         // 确保视频元素在容器内正确显示
         videoElement.style.maxWidth = '100%';
         videoElement.style.maxHeight = '100%';
-        videoElement.style.objectFit = 'contain';
+        videoElement.style.objectFit = 'contain'; // 保持原始比例，不裁剪
     }
     // 渲染控制按钮
     renderControlButtons(mediaState) {