gateway配合nacos路由报错：Unable to find instance for XXX

gateway配合nacos 找不到服务的问题

nacos版本: 1.1.4
spring-boot版本: 2.5.2
spring-cloud版本: 2020.0.3
spring-cloud-alibaba版本: 2021.1

gateway网关pom.xml

<dependencies>
	<!-- gateway -->
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-gateway</artifactId>
    </dependency>
    <!-- nacos注册中心 -->
    <dependency>
        <groupId>com.alibaba.cloud</groupId>
        <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
    </dependency>
</dependencies>

api服务pom.xml

<dependencies>
    <!-- web -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <!-- nacos注册中心 -->
    <dependency>
        <groupId>com.alibaba.cloud</groupId>
        <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
    </dependency>
</dependencies>

nacos： 浏览器访问 找了很多资料，终于找到说Spring Cloud2020移除了Ribbon,加入依赖后成功解决问题：

<!-- Spring Cloud2020移除了Ribbon，导致gateway路由时报错503：找不到服务 -->
<dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-starter-loadbalancer</artifactId>
</dependency>