diff --git a/src/stellar/stellar.cpp b/src/stellar/stellar.cpp
index 21e9959..be2a3a4 100644
--- a/src/stellar/stellar.cpp
+++ b/src/stellar/stellar.cpp
@@ -327,17 +327,6 @@ static int all_session_have_freed(struct stellar_runtime *runtime, struct stella
     return 1;
 }
 
-static int all_stat_have_output(struct stellar_runtime *runtime, struct stellar_config *config)
-{
-    static int count = 0;
-    if (runtime->stat_last_output_ts == stellar_get_monotonic_time_msec())
-    {
-        count++;
-    }
-
-    return count == 2;
-}
-
 static int stellar_thread_init(struct stellar_runtime *runtime, struct stellar_config *config)
 {
     uint64_t now = stellar_get_monotonic_time_msec();
@@ -487,10 +476,11 @@ int stellar_main(int argc, char **argv)
         }
         usleep(1000); // 1ms
 
-        // Only available in dump file mode, automatically exits when all sessions have been released
-        if (packet_io_wait_exit(runtime->packet_io) && all_session_have_freed(runtime, config) && all_stat_have_output(runtime, config))
+        // only available in dump file mode, automatically exits when all sessions have been released
+        if (packet_io_wait_exit(runtime->packet_io) && all_session_have_freed(runtime, config))
         {
-            STELLAR_LOG_STATE("all sessions have been released and all stat have been output, notify threads to exit !!!");
+            stellar_stat_output(runtime->stat); // flush stat
+            STELLAR_LOG_STATE("all sessions have been released, notify threads to exit !!!");
             ATOMIC_SET(&need_exit, 1);
         }
     }