diff --git a/EssOS/项目分析.md b/EssOS/项目分析.md
index 819417b..ba43ba4 100644
--- a/EssOS/项目分析.md
+++ b/EssOS/项目分析.md
@@ -36,7 +36,8 @@ sequenceDiagram
 str=>start: Start
 op=>operation: 领导
 cond=>condition: 是否提交
-
+e=>end
+srt-
 ```