diff --git a/src/document/commands/index.shy b/src/document/commands/index.shy
index 35747875..91719a5b 100644
--- a/src/document/commands/index.shy
+++ b/src/document/commands/index.shy
@@ -8,13 +8,9 @@ navmenu `
 	ctx ctx/
 		command command.shy
 		config config.shy
-	gdb gdb/
-	lex lex/
-	log log/
 	nfs nfs/
 		cat cat.shy
 		dir dir.shy
-	ssh ssh/
 	tcp tcp/
 		host host.shy
 	web web/
@@ -22,7 +18,6 @@ navmenu `
 		dream dream.shy
 		serve serve.shy
 		space space.shy
-	yac yac/
 核心模块 core/
 		amap usr/icebergs/core/chat/location/amap.shy
 		bmap usr/icebergs/core/chat/location/bmap.shy