diff --git a/mars/xlog/src/appender.cc b/mars/xlog/src/appender.cc
index 652f5949f..f3168a0d3 100644
--- a/mars/xlog/src/appender.cc
+++ b/mars/xlog/src/appender.cc
@@ -274,7 +274,7 @@ void XloggerAppender::Close() {
 
     log_close_ = true;
 
-    cond_buffer_async_.notifyAll();
+    cond_buffer_async_.notifyAll(true);
 
     if (thread_async_.isruning())
         thread_async_.join();