Update index.js

Author: fox3000foxy

index.js

@@ -60,7 +60,7 @@ wss.on("connection", (socket, req) => {
     var bot = mineflayer.createBot({
         host: query.get("server"),
         port:
-            query.get("port") !== "null" ? query.get("port") : undefined,
+            query.get("port") !== "null" ? query.get("port") : null,
         username: query.get("nick"),
         version: version,
         password: