Hyperledger fabric 使用hyperledger composer启动REST服务器时出现问题

我已经设置了hyperledger结构并启动了网络 创建composer rest服务器并在我的浏览器上访问它，然后访问 我得到一个错误：

    Unhandled error for request GET /explorer: Error: Cannot GET /explorer
    at raiseUrlNotFoundError (/usr/local/lib/node_modules/composer-rest- 
   server/node_modules/loopback/server/middleware/url-not-found.js:21:17)
    at Layer.handle [as handle_request] 
    (/usr/local/lib/node_modules/composer-rest- 
    server/node_modules/express/lib/router/layer.js:95:5)
    at trim_prefix (/usr/local/lib/node_modules/composer-rest- 
    server/node_modules/express/lib/router/index.js:317:13)
    at /usr/local/lib/node_modules/composer-rest- 
     server/node_modules/express/lib/router/index.js:284:7
    at Function.process_params (/usr/local/lib/node_modules/composer-rest- 
    server/node_modules/express/lib/router/index.js:335:12)
    at next (/usr/local/lib/node_modules/composer-rest- 
    server/node_modules/express/lib/router/index.js:275:10)
    at /usr/local/lib/node_modules/composer-rest- 
    server/node_modules/express/lib/router/index.js:635:15
    at next (/usr/local/lib/node_modules/composer-rest- 
    server/node_modules/express/lib/router/index.js:260:14)
    at Function.handle (/usr/local/lib/node_modules/composer-rest- 
    server/node_modules/express/lib/router/index.js:174:3)
    at router (/usr/local/lib/node_modules/composer-rest- 
    server/node_modules/express/lib/router/index.js:47:12)
    at Layer.handle [as handle_request] 
    (/usr/local/lib/node_modules/composer-rest- 
    server/node_modules/express/lib/router/layer.js:95:5)
    at trim_prefix (/usr/local/lib/node_modules/composer-rest- 
    server/node_modules/express/lib/router/index.js:317:13)
    at /usr/local/lib/node_modules/composer-rest- 
    server/node_modules/express/lib/router/index.js:284:7
    at Function.process_params (/usr/local/lib/node_modules/composer-rest- 
    server/node_modules/express/lib/router/index.js:335:12)
    at next (/usr/local/lib/node_modules/composer-rest- 
    server/node_modules/express/lib/router/index.js:275:10)
    at urlencodedParser (/usr/local/lib/node_modules/composer-rest- 
    server/node_modules/body-parser/lib/types/urlencoded.js:91:7)

---

启动服务器后，它会向您询问某些问题，其中一个问题是

指定是否要启用explorer测试界面

---

确保您在其中输入了

yes

启动服务器后，服务器会向您询问某些问题，其中一个问题是

指定是否要启用explorer测试界面

确保您在其中输入了

yes