diff --git a/blossom-editor/src/renderer/src/views/doc/doc.ts b/blossom-editor/src/renderer/src/views/doc/doc.ts
index 8ced3cb..e39f515 100644
--- a/blossom-editor/src/renderer/src/views/doc/doc.ts
+++ b/blossom-editor/src/renderer/src/views/doc/doc.ts
@@ -1,3 +1,4 @@
+import { isNull } from '@renderer/assets/utils/obj'
 import Notify from '@renderer/scripts/notify'
 import { isEmpty } from 'lodash'
 import { Ref } from 'vue'
@@ -36,6 +37,21 @@ export enum SortLevelColor {
   FOUR = '#4AA40E93'
 }
 
+/**
+ * 判断文档是否是文章
+ * @param doc
+ * @returns true: 是文章; false: 不是文章
+ */
+export const isArticle = (doc: DocInfo | undefined): boolean => {
+  if (isNull(doc)) {
+    return false
+  }
+  if (isNull(doc!.type) || doc!.type != 3) {
+    return false
+  }
+  return true
+}
+
 /**
  * 通过标题等级计算颜色
  * @param level 标题等级