diff --git a/include/rtmp_manager.hpp b/include/rtmp_manager.hpp
index 700ba6c..a9a14b0 100644
--- a/include/rtmp_manager.hpp
+++ b/include/rtmp_manager.hpp
@@ -58,11 +58,11 @@ private:
     };
 
     // RTMPManager 内部增加
-    std::mutex stop_queue_mutex;
-    std::condition_variable stop_cv;
-    std::queue<std::unique_ptr<StreamContext>> stop_queue;
-    std::atomic<bool> stop_thread_running{false};
-    std::thread stop_thread;
+    static std::mutex stop_queue_mutex;
+    static std::condition_variable stop_cv;
+    static std::queue<std::unique_ptr<StreamContext>> stop_queue;
+    static std::atomic<bool> stop_thread_running{false};
+    static std::thread stop_thread;
     // store unique_ptr to avoid copy/move issues with atomic/thread
     static std::unordered_map<std::string, std::unique_ptr<StreamContext>> streams;
     static std::mutex streams_mutex;