diff --git a/src/Network/fgcom.cxx b/src/Network/fgcom.cxx
index 1daa45f..656ca2e 100644
--- a/src/Network/fgcom.cxx
+++ b/src/Network/fgcom.cxx
@@ -343,7 +343,9 @@ double FGCom::getCurrentCommVolume() const {
         SG_LOG(SG_SOUND, SG_INFO, "FGCom: _speakerLevel_node " << _speakerLevel_node->getFloatValue());
 
     if (_commVolumeNode)
-        rv = rv * _commVolumeNode->getFloatValue();
+
+        //暂时关闭 _commVolumeNode
+        //rv = rv * _commVolumeNode->getFloatValue();
         SG_LOG(SG_SOUND, SG_INFO, "FGCom: _commVolumeNode " << _commVolumeNode->getFloatValue());
 
     return rv;