diff --git a/ServerDocument.md b/ServerDocument.md
index 5f82e14..6c9402d 100644
--- a/ServerDocument.md
+++ b/ServerDocument.md
@@ -74,4 +74,5 @@
 		String computedToken = DigestUtils.md5DigestAsHex(params.getBytes());
 		return computedToken;
 	}
-```
\ No newline at end of file
+```
+注意：参数是按字母升序排列
\ No newline at end of file