重绘关键切换拓扑图

@@ -50,10 +50,14 @@ public class NginxSwitchCtrl {
             Map<String, List<Map<String, Object>>> map = new HashMap<>();
 
             List<HostInfo> grayServerHosts=hostInfoMapper.selectHostInfosByTagList(Arrays.asList(new String[]{"灰度","gateway"}));
+            List<String> grayHostIps=new ArrayList<String>();
+            for(HostInfo host:grayServerHosts){
+                grayHostIps.add(host.getHostIp());
+            }
             //获取灰度机器的server。ip
             List<Map<String, Object>> grayHosts=new ArrayList<>();
             Map<String, Object> tmpmap=new HashMap<String, Object>();
-            tmpmap.put("grayServerHosts", grayServerHosts);
+            tmpmap.put("grayServerHosts", grayHostIps);
             grayHosts.add(tmpmap);
             map.put("grayServerHosts", grayHosts);
             if ("test".equals(env)) {