diff --git a/src/rtmp_manager.cpp b/src/rtmp_manager.cpp
index 5758015..6a8fc02 100644
--- a/src/rtmp_manager.cpp
+++ b/src/rtmp_manager.cpp
@@ -193,14 +193,16 @@ void RTMPManager::stream_loop(Camera cam, StreamContext* ctx)
         GstElement* live_valve = gst_bin_get_by_name(GST_BIN(pipeline), "live_valve");
         GstElement* record_valve = gst_bin_get_by_name(GST_BIN(pipeline), "record_valve");
 
-        // ===== 对 sink 做“可选属性”配置 =====
-        // 某些版本 rtmpsink 有 protocol，有些没有
+        // ===== 获取 rec_sink / live_sink =====
+        GstElement* rec_sink = gst_bin_get_by_name(GST_BIN(pipeline), "rec_sink");
+        GstElement* live_sink = gst_bin_get_by_name(GST_BIN(pipeline), "live_sink");
+
+        // ===== 尝试设置 protocol=0（兼容：有就设，无就跳过）=====
         try_set_property(rec_sink, "protocol", 0);
         try_set_property(live_sink, "protocol", 0);
 
-        // ===== 清理引用 =====
+        // ===== 引用使用完就释放（不交给 ctx 管理）=====
         if (rec_sink) gst_object_unref(rec_sink);
-
         if (live_sink) gst_object_unref(live_sink);
 
         if (!live_valve || !record_valve)