diff --git a/wwwroot/API.md b/wwwroot/API.md
index d23cc8f..452dcca 100644
--- a/wwwroot/API.md
+++ b/wwwroot/API.md
@@ -419,7 +419,7 @@ d = {
 	"ppid": #定价项目id
 	"data": # 模型返回的usage的字典数据
 }
-
+```
 return
 计价成功
 ```