diff --git a/TMessagesProj/src/main/java/tw/nekomimi/nekogram/tcp2ws/ProxyHandler.java b/TMessagesProj/src/main/java/tw/nekomimi/nekogram/tcp2ws/ProxyHandler.java
index c5e844151..d97fc4889 100644
--- a/TMessagesProj/src/main/java/tw/nekomimi/nekogram/tcp2ws/ProxyHandler.java
+++ b/TMessagesProj/src/main/java/tw/nekomimi/nekogram/tcp2ws/ProxyHandler.java
@@ -123,8 +123,8 @@ public class ProxyHandler implements Runnable {
         }
 
         Integer target = mapper.get(server);
-        if (target == null) {
-            target = mapper.get(StrUtil.subBefore(server, ".", true) + ".");
+        for (int i = 1; target == null && i < 4; i++) {
+            target = mapper.get(server.substring(0, server.length() - i));
         }
         if (target == null) {
             FileLog.e("No route for ip " + server);
diff --git a/TMessagesProj/src/main/java/tw/nekomimi/nekogram/tcp2ws/Tcp2wsServer.java b/TMessagesProj/src/main/java/tw/nekomimi/nekogram/tcp2ws/Tcp2wsServer.java
index 839174e3a..9da133bb0 100644
--- a/TMessagesProj/src/main/java/tw/nekomimi/nekogram/tcp2ws/Tcp2wsServer.java
+++ b/TMessagesProj/src/main/java/tw/nekomimi/nekogram/tcp2ws/Tcp2wsServer.java
@@ -23,10 +23,7 @@ public class Tcp2wsServer extends Thread {
     public static final HashMap<String, Integer> mapper = new HashMap<>();
 
     static {
-        mapper.put("149.154.175.50", 1);
-        mapper.put("149.154.175.53", 1);
-        mapper.put("149.154.175.55", 1);
-        mapper.put("149.154.167.51", 2);
+        mapper.put("149.154.175.5", 1);
         mapper.put("95.161.76.100", 2);
         mapper.put("149.154.175.100", 3);
         mapper.put("149.154.167.91", 4);
@@ -37,7 +34,6 @@ public class Tcp2wsServer extends Thread {
         mapper.put("2001:b28:f23d:f003:0000:0000:0000:000a", 3);
         mapper.put("2001:67c:4e8:f004:0000:0000:0000:000a", 4);
         mapper.put("2001:b28:f23f:f005:0000:0000:0000:000a", 5);
-        mapper.put("149.154.175.5", 1);
         mapper.put("149.154.161.144", 2);
         mapper.put("149.154.167.", 2);
         mapper.put("149.154.175.1", 3);