diff --git a/src/Environment/environment_mgr.cxx b/src/Environment/environment_mgr.cxx
index b842d26..af77de9 100644
--- a/src/Environment/environment_mgr.cxx
+++ b/src/Environment/environment_mgr.cxx
@@ -335,6 +335,8 @@ void FGEnvironmentMgr::updateClosestAirport()
 
     SGGeod nearestTowerPosition;
     std::string nearestIdent;
+    std::string my_mes;
+    
     const SGGeod airportGeod;
     double towerDistance = numeric_limits<double>::max();
     if (nearestAirport) {
@@ -423,6 +425,12 @@ void FGEnvironmentMgr::updateClosestAirport()
     if (fgGetString("/sim/airport/nearest-tower-ident") != nearestIdent) {
         SG_LOG(SG_ENVIRONMENT, SG_INFO, "Nearest airport tower now " << nearestIdent);
         fgSetString("/sim/airport/nearest-tower-ident", nearestIdent);
+        
+        //zhongjin
+        my_mes = "前方接近塔台 " + nearestIdent;
+        fgSetString("/sim/sound/voices/text", mes);
+        fgSetString("/sim/messages/copilot",mes);
+
     }
     if (automaticTowerActive) {
         if (fgGetString("/sim/tower/airport-id") != nearestIdent) {