访问gateway报出503，直接访问成功，

Question

前端访问地址： // api接口请求地址
window.SITE_CONFIG['baseUrl'] = 'http://localhost:88/api';
网关配置：
spring:
application:

name: gulimall-gateway

cloud:

nacos:
  discovery:
    server-addr: 192.168.43.236:8848
gateway:
  discovery:
    locator:
      enabled: true
      lowerCaseServiceId: true
      filters:
        - StripPrefix=1
  routes:
    - id: admin_route
      uri: lb://renren-fast 
      predicates: 
        - Path=/api/** 
      filters:
        - RewritePath=/api/(?<segment>.*),/renren-fast/$\{segment}  

server:
port: 88

bootstarp.properties配置：
spring.application.name=gulimall-gateway
spring.cloud.nacos.config.server-addr=192.168.43.236:8848
spring.cloud.nacos.discovery.server-addr=192.168.43.236:8848

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