diff --git a/src/video/pushstream.cpp b/src/video/pushstream.cpp
index f86ed7f..68137f3 100644
--- a/src/video/pushstream.cpp
+++ b/src/video/pushstream.cpp
@@ -212,14 +212,15 @@ void PushStream::pushStream(int64_t startTime) {
                 av_usleep(delay);
                 // sleepMsec(40);
             } else {
-                if (delay < -50000) {
-                    // 滞后50ms以上，丢弃非重要帧
+                if (delay < -100000) {
+                    qDebug() << "delay:" << delay;
+                    // 滞后100ms以上，丢弃非重要帧
                     if (!(inputPacket->flags & AV_PKT_FLAG_KEY)) {
                         av_packet_unref(inputPacket);
                         continue;
                     }
                     // 调整基准时间，减少滞后
-                    m_startTime += 50000;
+                    m_startTime += 100000;
                 }
             }
             // 计算延时后，重新指定时间戳
@@ -254,7 +255,8 @@ void PushStream::pushStream(int64_t startTime) {
             av_packet_unref(inputPacket);
             av_packet_free(&inputPacket);
         } else {
-            QThread::usleep(1000);
+            // QThread::usleep(1000);
+            av_usleep(1000);
         }
     }