diff --git a/src/index.js b/src/index.js
index cca2936..4a43ae6 100644
--- a/src/index.js
+++ b/src/index.js
@@ -334,6 +334,8 @@ class WebRTCChat {
             }
             
             // 设置视频流
+            this.recordedVideoBuffer.style.zIndex = "1";
+            this.recordedVideo.style.zIndex = "2";
             this.currentVideoStream = defaultStream;
             this.recordedVideo.srcObject = defaultStream;
             this.recordedVideoBuffer.srcObject = this.precreatedStreams.get(this.interactionVideo);
@@ -360,7 +362,11 @@ class WebRTCChat {
                 };
                 checkReady();
             });
-            
+            this.avatarContainer.style.display = 'none';
+
+            // 隐藏等待连接提示
+            this.hideConnectionWaiting();
+
             // 确保视频开始播放
             try {
                 await this.recordedVideo.play();
@@ -1165,13 +1171,9 @@ class WebRTCChat {
 
             // 隐藏头像，显示视频
             if (this.videoContainer) {
-                this.avatarContainer.style.display = 'none';
 
                 this.videoContainer.classList.add('calling');
             }
-
-            // 隐藏等待连接提示
-            this.hideConnectionWaiting();
             
             // 显示结束通话按钮
             this.stopButton.style.display = 'block';
diff --git a/src/minimaxi_stream.js b/src/minimaxi_stream.js
index 3b8a5ce..f50f201 100644
--- a/src/minimaxi_stream.js
+++ b/src/minimaxi_stream.js
@@ -68,7 +68,7 @@ async function processAudioQueue() {
       const sayName = '8-4-sh'
       const targetVideo = window.webrtcApp.interactionVideo
       // 如果是第一个音频片段，触发视频切换
-      if (isFirstChunk && sayName != window.webrtcApp.currentVideoTag && window.webrtcApp && window.webrtcApp.switchVideoStream) {
+      if (sayName != window.webrtcApp.currentVideoTag && window.webrtcApp && window.webrtcApp.switchVideoStream) {
         try {
           console.log('--------------触发视频切换:', sayName);
           window.webrtcApp.switchVideoStream(targetVideo, 'audio', '8-4-sh');