springcloud gateway无法路由问题的解决

server:
  port: 9999
spring:
  application:
    name: gateway-server
  cloud:
    nacos:
      discovery:
        server-addr: 192.168.229.7:8848
    gateway:
      discovery:
        locator:
          enabled: true ##开启了会自动匹配路由规则
      routes: ##配置了手动路由规则，上面的自动开启失效
        - id: nacos-provider
          uri: lb://nacos-provider
          predicates:
            - Path=/mmm/**

@RestController
@RequestMapping("/mmm")
public class MMMController {
    @Value("${server.port}")
    private String port;
    @GetMapping("/get")
    public String get(){
        return port;
    }
}

<dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-starter-gateway</artifactId>
    <exclusions>
        <exclusion>
			<groupId>org.springframework.boot</groupId>
        	<artifactId>spring-boot-starter-web</artifactId>
        </exclusion>
    </exclusions>
</dependency>

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.2.13.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.mmm.springcloud.study</groupId>
    <artifactId>spring-cloud-gateway-demo</artifactId>
    <version>1.0-SNAPSHOT</version>
    <properties>
        <maven.compiler.source>8</maven.compiler.source>
        <maven.compiler.target>8</maven.compiler.target>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>
    <dependencies>
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
            <version>2.2.5.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-gateway</artifactId>
            <version>2.2.3.RELEASE</version>
        </dependency>
    </dependencies>
</project>