diff --git a/EssOS/项目分析.md b/EssOS/项目分析.md
index e064488..9578abb 100644
--- a/EssOS/项目分析.md
+++ b/EssOS/项目分析.md
@@ -33,10 +33,8 @@ sequenceDiagram
 场景2
 
 ````flow
-graph LR
+graph TB
 
-a[工作人员]
-b[领导]
 a-->b
 b-->a
 ````