优化动画demo，打开态势图后没有切换到指定位置

Author: ChenPeng181007

examples/leaflet/plot_plotGOAnimation.html

@@ -137,7 +137,7 @@ <h5 class="panel-title text-center"  data-i18n="resources.title_plotGOAnimation"
 
     function loadSmlAndAnimation(){
         $.getJSON("../data/ZaoYiHuiZhan_Sml.json",function(sitData){
-            plotting.getSitDataManager().addSmlData(sitData, true);
+            plotting.getSitDataManager().openSmlData(sitData, true);
 
             $.getJSON("../data/ZaoYiHuiZhan_Animation.json",function(animationJsonData){
                 goAnimationManager.fromJSONData(animationJsonData);