diff --git a/EssOS/项目分析.md b/EssOS/项目分析.md
index 9578abb..79690ae 100644
--- a/EssOS/项目分析.md
+++ b/EssOS/项目分析.md
@@ -33,8 +33,7 @@ sequenceDiagram
 场景2
 
 ````flow
-graph TB
-
+graph TB;
 a-->b
 b-->a
 ````