diff --git a/simgear/scene/tsync/terrasync.cxx b/simgear/scene/tsync/terrasync.cxx
index f5b086a8..b205aa92 100644
--- a/simgear/scene/tsync/terrasync.cxx
+++ b/simgear/scene/tsync/terrasync.cxx
@@ -1173,6 +1173,11 @@ void SGTerraSync::shutdown()
      _workerThread->stop();
 }
 
+voide SGTerraSync::setDefault()
+{
+
+}
+
 void SGTerraSync::reinit()
 {
     auto enabled = _enabledNode->getBoolValue();
@@ -1341,6 +1346,12 @@ void SGTerraSync::update(double)
 
     int allowedErrors = _maxErrorsNode->getIntValue();
     if (worker_running && (copiedState._consecutive_errors >= allowedErrors)) {
+
+        //zhongjin
+        _workerThread->setHTTPServer("https://data.kongjian.xin/fgscenery","https://data.kongjian.xin/osm2city");
+        //end
+
+
         _workerThread->stop();
 
         _retryBackOffSeconds = std::min(_retryBackOffSeconds + 60, 60u * 15);
@@ -1351,9 +1362,7 @@ void SGTerraSync::update(double)
         //zhongjin
         //NAPTR 查询失败后处理
         _retryTime =  SGTimeStamp::now() - 1000;
-
-        _osmCityServer= "https://data.kongjian.xin/osm2city";
-        _httpServer = "https://data.kongjian.xin/fgscenery";
+        //end