diff --git a/src/include/base/fs.h b/src/include/base/fs.h
index bb58e03a3af30238c9a53b7fe841e4fc04c66341..d46d5ffb8894fa07ac022edd226cda7abc0fa3f0 100644
--- a/src/include/base/fs.h
+++ b/src/include/base/fs.h
@@ -118,7 +118,9 @@ enum NX_FileNodeType
 	NX_FILE_NODE_TYPE_DIR,
 	NX_FILE_NODE_TYPE_REG,
 };
-
+/**
+ * todo: 添加address_space概念，优化文件读写速度。
+*/
 typedef struct NX_FileNode
 {
 	NX_List link;