Error from wavedrom format to png

[weijizeng]

When i attempted to convert wavedrom format to png, there is an error.

Error: Cannot find module '../build/Release/canvas.node' Require stack:

• /usr/lib/node_modules/wavedrom-cli/node_modules/canvas/lib/bindings.js
• /usr/lib/node_modules/wavedrom-cli/node_modules/canvas/lib/canvas.js
• /usr/lib/node_modules/wavedrom-cli/node_modules/canvas/index.js
• /usr/lib/node_modules/wavedrom-cli/node_modules/jsdom/lib/jsdom/utils.js
• /usr/lib/node_modules/wavedrom-cli/node_modules/jsdom/lib/jsdom/living/events/MouseEvent-impl.js
• /usr/lib/node_modules/wavedrom-cli/node_modules/jsdom/lib/jsdom/living/generated/MouseEvent.js
• /usr/lib/node_modules/wavedrom-cli/node_modules/jsdom/lib/jsdom/living/events/EventTarget-impl.js
• /usr/lib/node_modules/wavedrom-cli/node_modules/jsdom/lib/jsdom/living/generated/EventTarget.js
• /usr/lib/node_modules/wavedrom-cli/node_modules/jsdom/lib/jsdom/living/interfaces.js
• /usr/lib/node_modules/wavedrom-cli/node_modules/jsdom/lib/jsdom/browser/Window.js
• /usr/lib/node_modules/wavedrom-cli/node_modules/jsdom/lib/api.js
• /usr/lib/node_modules/wavedrom-cli/node_modules/svg2img/index.js
• /usr/lib/node_modules/wavedrom-cli/wavedrom-cli.js at Function.Module._resolveFilename (internal/modules/cjs/loader.js:815:15) at Function.Module._load (internal/modules/cjs/loader.js:667:27) at Module.require (internal/modules/cjs/loader.js:887:19) at require (internal/modules/cjs/helpers.js:74:18) at Object. (/usr/lib/node_modules/wavedrom-cli/node_modules/canvas/lib/bindings.js:3:18) at Module._compile (internal/modules/cjs/loader.js:999:30) at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10) at Module.load (internal/modules/cjs/loader.js:863:32) at Function.Module._load (internal/modules/cjs/loader.js:708:14) at Module.require (internal/modules/cjs/loader.js:887:19) { code: 'MODULE_NOT_FOUND', requireStack: [ '/usr/lib/node_modules/wavedrom-cli/node_modules/canvas/lib/bindings.js', '/usr/lib/node_modules/wavedrom-cli/node_modules/canvas/lib/canvas.js', '/usr/lib/node_modules/wavedrom-cli/node_modules/canvas/index.js', '/usr/lib/node_modules/wavedrom-cli/node_modules/jsdom/lib/jsdom/utils.js', '/usr/lib/node_modules/wavedrom-cli/node_modules/jsdom/lib/jsdom/living/events/MouseEvent-impl.js', '/usr/lib/node_modules/wavedrom-cli/node_modules/jsdom/lib/jsdom/living/generated/MouseEvent.js', '/usr/lib/node_modules/wavedrom-cli/node_modules/jsdom/lib/jsdom/living/events/EventTarget-impl.js', '/usr/lib/node_modules/wavedrom-cli/node_modules/jsdom/lib/jsdom/living/generated/EventTarget.js', '/usr/lib/node_modules/wavedrom-cli/node_modules/jsdom/lib/jsdom/living/interfaces.js', '/usr/lib/node_modules/wavedrom-cli/node_modules/jsdom/lib/jsdom/browser/Window.js', '/usr/lib/node_modules/wavedrom-cli/node_modules/jsdom/lib/api.js', '/usr/lib/node_modules/wavedrom-cli/node_modules/svg2img/index.js', '/usr/lib/node_modules/wavedrom-cli/wavedrom-cli.js' How can fix it? Thanks!