在theme/butterfly/source/js/main.js的160行左右的createEle函数中进行修改：

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    const createEle = (lang, item) => {
      const fragment = document.createDocumentFragment()
+     let isClose = false
+     if (item.querySelector('figcaption>span')?.textContent.includes('hider')) {
+       isClose = true
+       let hider = item.querySelector('figcaption>span')
+       if (hider)
+         hider.style.display = 'none'
+     }

      if (isShowTool) {
        const hlTools = document.createElement('div')
-       hlTools.className = `highlight-tools ${highlightShrinkClass}`
+       hlTools.className = `highlight-tools ${isClose?"closed":highlightShrinkClass}`
        hlTools.innerHTML = highlightMacStyleEle + highlightShrinkEle + lang + highlightCopyEle + highlightFullpageEle
        btf.addEventListenerPjax(hlTools, 'click', highlightToolsFn)
        fragment.appendChild(hlTools)
      }