diff --git a/docs/README.md b/docs/README.md
index 68c5d8d..806de53 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -3907,7 +3907,7 @@ type='1009' 获取其 id, 如`/search?keywords= 代码时间 &type=1009`
 
 **必选参数:** `id`: **乐谱** ID
 
-**调用例子:** `/sheet/list?id=245206`
+**调用例子:** `/sheet/preview?id=245206`