1. gateway 引入 nacos 依赖，实现服务的注册发现

2. gateway 引入 loadbalancer 依赖，实现服务的负载均衡

yudao-gateway/src/main/java/cn/iocoder/yudao/gateway/GatewayServerApplication.java

@@ -4,10 +4,10 @@ import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
-public class YudaoGatewayApplication {
+public class GatewayServerApplication {
 
     public static void main(String[] args) {
-        SpringApplication.run(YudaoGatewayApplication.class, args);
+        SpringApplication.run(GatewayServerApplication.class, args);
     }
 
 }