diff --git a/src/Network/fgcom.cxx b/src/Network/fgcom.cxx
index b7380db..47340ab 100644
--- a/src/Network/fgcom.cxx
+++ b/src/Network/fgcom.cxx
@@ -678,7 +678,7 @@ void FGCom::valueChanged(SGPropertyNode *prop)
           popen(urlcmd.c_str(),"r");
 
           mesPopup("PTT释放",3);
-          iaxc_millisleep(1000);
+//          iaxc_millisleep(1000);
 
           iaxc_output_level_set(0.8);
           iaxc_input_level_set(0.0);