diff --git a/docs/algorithms/jianying-export-algorithm.md b/docs/algorithms/jianying-export-algorithm.md
index 31c1290..9d798d4 100644
--- a/docs/algorithms/jianying-export-algorithm.md
+++ b/docs/algorithms/jianying-export-algorithm.md
@@ -9,8 +9,8 @@
 ```mermaid
 graph TD
     A[开始导出] --> B[获取匹配结果详情]
-    B --> C[创建基础剪映草稿结构]
-    C --> D[计算总时长]
+    B --> C[读取模板导入时的draft_content.json来创建基础剪映草稿结构]
+    C --> D[Do Nothing]
     D --> E[生成素材列表]
     E --> F[生成轨道和片段]
     F --> G[序列化为JSON]