国标28181-支持自动识别网卡监听，可以不再配置SIP.IP

src/main/java/com/genersoft/iot/vmp/vmanager/gb28181/platform/PlatformController.java

@@ -89,7 +89,7 @@ public class PlatformController {
     @GetMapping("/server_config")
     public JSONObject serverConfig() {
         JSONObject result = new JSONObject();
-        result.put("deviceIp", sipConfig.getIp());
+        result.put("deviceIp", sipConfig.getShowIp());
         result.put("devicePort", sipConfig.getPort());
         result.put("username", sipConfig.getId());
         result.put("password", sipConfig.getPassword());