NPM 安装包出错: TypeError: Request path contains unescaped characters.

当我用npm 安装包的时候 出现下面错误， System: ubuntu-12.04 Linux 3.2.0-32-generic-pae

$sudo npm install ejs

npm ERR! node -v v0.11.5-pre
npm ERR! npm -v 1.3.4
npm http GET https://registry.npmjs.org/ejs/0.8.4
npm ERR! TypeError: Request path contains unescaped characters.
npm ERR!     at Agent.request (_http_agent.js:264:11)
npm ERR!     at TunnelingAgent.exports.request (https.js:130:22)
npm ERR!     at TunnelingAgent.createSocket (/usr/local/lib/node_modules/npm/node_modules/request/node_modules/tunnel-agent/index.js:117:25)
npm ERR!     at TunnelingAgent.createSecureSocket [as createSocket] (/usr/local/lib/node_modules/npm/node_modules/request/node_modules/tunnel-agent/index.js:184:41)
npm ERR!     at TunnelingAgent.addRequest (/usr/local/lib/node_modules/npm/node_modules/request/node_modules/tunnel-agent/index.js:80:8)
npm ERR!     at new ClientRequest (_http_client.js:112:16)
npm ERR!     at Agent.request (_http_agent.js:279:10)
npm ERR!     at Object.exports.request (https.js:130:22)
npm ERR!     at Request.start (/usr/local/lib/node_modules/npm/node_modules/request/index.js:594:30)
npm ERR!     at Request.end (/usr/local/lib/node_modules/npm/node_modules/request/index.js:1186:28)
npm ERR! If you need help, you may report this log at:
npm ERR!     <http://github.com/isaacs/npm/issues>
npm ERR! or email it to:
npm ERR!     <npm-[@googlegroups](/user/googlegroups).com>