diff --git a/EssOS/项目分析.md b/EssOS/项目分析.md
index 3a4bbf1..31948bc 100644
--- a/EssOS/项目分析.md
+++ b/EssOS/项目分析.md
@@ -35,7 +35,7 @@ sequenceDiagram
 ```flow
 str=>start: Start
 end=>end
-
+op=
 ```