假地址，回环。

ruoyi-sim/src/main/java/com/ruoyi/sim/service/impl/CommSendService.java

@@ -29,9 +29,18 @@ public class CommSendService {
 
     interface Const {
 
-        String ROUTER_IP = "192.168.1.1";
-        String IP = "123.112.16.165";
-        int PORT = 8899;
+        /**
+         * 123.112.16.165
+         */
+        String ROUTER_IP = "127.0.0.1";
+        /**
+         * 123.112.16.165
+         */
+        String IP = "127.0.0.1";
+        /**
+         * 8899
+         */
+        int PORT = 9000;
         /**
          * 报文长度
          */