diff --git a/EssOS/项目分析.md b/EssOS/项目分析.md
index dab846b..00e2b10 100644
--- a/EssOS/项目分析.md
+++ b/EssOS/项目分析.md
@@ -34,13 +34,6 @@ sequenceDiagram
 
 ```flow js
 str=>start;
-op=>operation;
-cond=>condition;
-e=>end
-srt-->cond-->op
-cond(yes)-->op
-cond(no)-->str
-op-->e
-```
 
+```