diff --git a/src/index.js b/src/index.js
index 5b77647..029b1da 100644
--- a/src/index.js
+++ b/src/index.js
@@ -273,7 +273,7 @@ class WebRTCChat {
             const defaultStream = this.precreatedStreams.get(this.defaultVideo);
             
             // 等待流稳定
-            await new Promise(resolve => setTimeout(resolve, 500));
+            await new Promise(resolve => setTimeout(resolve, 1000));
             
             // 检查流是否有效
             if (!defaultStream || defaultStream.getTracks().length === 0) {