diff --git a/projects/arabica/docs/design/arabica-sprint3-development-specification.md b/projects/arabica/docs/design/arabica-sprint3-development-specification.md
index 7451e0d..bd71612 100644
--- a/projects/arabica/docs/design/arabica-sprint3-development-specification.md
+++ b/projects/arabica/docs/design/arabica-sprint3-development-specification.md
@@ -214,9 +214,9 @@ async function handleFetchFramework(params: any) {
 
 ```mermaid
 graph TD
-    A[接收参数 params.content] --> B{typeof content === 'string'?}
+    A[接收参数 params.content] --> B{typeof content === string?}
     B -- 是 --> C[直接将 content 传给 resourceService]
-    B -- 否(是个对象) --> D[执行 JSON.stringify(content, null, 2)]
+    B -- 否(是个对象) --> D["执行 JSON.stringify(content, null, 2)"]
     D --> C
     C --> E[写入 Markdown 文件]
     E --> F[返回操作成功]