diff --git a/src/rtsp_manager.cpp b/src/rtsp_manager.cpp
index 6e86520..e8347e2 100644
--- a/src/rtsp_manager.cpp
+++ b/src/rtsp_manager.cpp
@@ -239,20 +239,20 @@ void RTSPManager::mount_camera(const Camera &cam)
 
     g_main_context_invoke(main_context, [](gpointer data) -> gboolean
                           { return RTSPManager::mount_camera_in_main(data); }, camCopy);
-
-    // === ★ 新增：等待 on_media_unprepared 全部完成 ===
-    std::unique_lock<std::mutex> lk(stop_mutex);
-    stop_cv.wait(lk, [&]
-                 {
-        auto it = stopping_count.find(cam.name);
-        return it == stopping_count.end() || it->second == 0; });
 }
 
 void RTSPManager::unmount_camera(const Camera &cam)
 {
     Camera *camCopy = new Camera(cam);
+
     g_main_context_invoke(main_context, [](gpointer data) -> gboolean
                           { return RTSPManager::unmount_camera_in_main(data); }, camCopy);
+
+    std::unique_lock<std::mutex> lk(stop_mutex);
+    stop_cv.wait(lk, [&]
+                 {
+    auto it = stopping_count.find(cam.name);
+    return it == stopping_count.end() || it->second == 0; });
 }
 
 // 是否正在流