在代码块里面每四个空格、一个 tab ，都会有一个竖线，多少有点难看了，怎么关掉啊
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Supplement 1 · Jan 2, 2024
fine ，找了一下 css ，用如下就行：
```css
.markdown-source-view.mod-cm6 .cm-indent::before {
display: none !important;
}
```
```css
.markdown-source-view.mod-cm6 .cm-indent::before {
display: none !important;
}
```
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