diff --git a/trunk/src/app/srs_app_thread.cpp b/trunk/src/app/srs_app_thread.cpp
index d9027b9c34..92dbf63335 100755
--- a/trunk/src/app/srs_app_thread.cpp
+++ b/trunk/src/app/srs_app_thread.cpp
@@ -232,11 +232,6 @@ namespace internal {
         // readly terminated now.
         really_terminated = true;
         
-        // when thread terminated normally, also disposed.
-        // we must set to disposed before the on_thread_stop, which may free the thread.
-        // @see https://github.com/ossrs/srs/issues/546
-        disposed = true;
-        
         handler->on_thread_stop();
         srs_info("thread %s cycle finished", _name);
     }