diff --git a/src/renderer/context/lib.ts b/src/renderer/context/lib.ts
index 5e2adc1f..dc44e0a0 100644
--- a/src/renderer/context/lib.ts
+++ b/src/renderer/context/lib.ts
@@ -14,6 +14,7 @@ export { default as juice } from 'juice'
 export { default as sortablejs } from 'sortablejs'
 export { default as filenamify } from 'filenamify/browser'
 export { default as mime } from 'mime'
+export { default as markdownit } from 'markdown-it'
 
 dayjs.extend(relativeTime)
 dayjs.locale('zh-cn')