Unsupported URL Type: npm:string-width@^4.2.0

weex preview报错： × Install fail! Error: Unsupported URL Type: npm:string-width@^4.2.0 Error: Unsupported URL Type: npm:string-width@^4.2.0 at parseUrl (C:\Users\h.wx\core\node_modules_[email protected]@npm-package-arg\npa.js:186:13) at npa (C:\Users\h.wx\core\node_modules_[email protected]@npm-package-arg\npa.js:79:12) at _install (C:\Users\h.wx\core\node_modules_[email protected]@npminstall\lib\install.js:62:11) at _install.next () at onFulfilled (C:\Users\h.wx\core\node_modules_[email protected]@co\index.js:65:19) at C:\Users\h.wx\core\node_modules_[email protected]@co\index.js:54:5 at new Promise () at co (C:\Users\h.wx\core\node_modules_[email protected]@co\index.js:50:10) at toPromise (C:\Users\h.wx\core\node_modules_[email protected]@co\index.js:118:63) at next (C:\Users\h.wx\core\node_modules_[email protected]@co\index.js:99:29)