diff --git a/base/nfs/cat.go b/base/nfs/cat.go
index 2322a527..c85b3793 100644
--- a/base/nfs/cat.go
+++ b/base/nfs/cat.go
@@ -123,10 +123,9 @@ const (
 	BRANCH = "branch"
 	REPOS  = "repos"
 
-	// SAVE = "save"
 	LOAD = "load"
 	FIND = "find"
-	GREP = "grep"
+	TAGS = "tags"
 )
 const (
 	HTML = "html"
diff --git a/base/nfs/nfs.go b/base/nfs/nfs.go
index 6d6b9d8c..0500d67b 100644
--- a/base/nfs/nfs.go
+++ b/base/nfs/nfs.go
@@ -4,4 +4,6 @@ import ice "shylinux.com/x/icebergs"
 
 var Index = &ice.Context{Name: "nfs", Help: "存储模块"}
 
-func init() { ice.Index.Register(Index, nil, TAR, CAT, DIR, DEFS, SAVE, PUSH, COPY, LINK, TAIL, TRASH) }
+func init() {
+	ice.Index.Register(Index, nil, TAR, CAT, DIR, DEFS, SAVE, PUSH, COPY, LINK, TAIL, TRASH, GREP)
+}
diff --git a/core/code/go.go b/core/code/go.go
index f6c68a70..c3a31881 100644
--- a/core/code/go.go
+++ b/core/code/go.go
@@ -48,7 +48,7 @@ func _go_tags(m *ice.Message, key string) {
 }
 func _go_help(m *ice.Message, key string) {
 	p := m.Cmd(cli.SYSTEM, GO, "doc", key).Append(cli.CMD_OUT)
-	if p == "" {
+	if strings.TrimSpace(p) == "" {
 		return
 	}
 	m.PushSearch(ice.CMD, "help", nfs.FILE, key+".godoc", nfs.LINE, 1, mdb.TEXT, p)
diff --git a/core/code/inner.go b/core/code/inner.go
index 4273d564..63cbbf97 100644
--- a/core/code/inner.go
+++ b/core/code/inner.go
@@ -85,10 +85,45 @@ func init() {
 				m.Option(cli.CMD_DIR, kit.Path(arg[2]))
 				m.Option(nfs.DIR_ROOT, arg[2])
 				m.Cmdy(mdb.SEARCH, arg[0], arg[1], arg[2])
+				m.Cmd(FAVOR, arg[1], ice.OptionFields("")).Table(func(index int, value map[string]string, head []string) {
+					p := path.Join(value[nfs.PATH], value[nfs.FILE])
+					if strings.HasPrefix(p, m.Option(nfs.PATH)) {
+						m.Push(nfs.FILE, strings.TrimPrefix(p, m.Option(nfs.PATH)))
+						m.Push(nfs.LINE, value[nfs.LINE])
+						m.Push(mdb.TEXT, value[mdb.TEXT])
+					}
+				})
+				if m.StatusTimeCount("index", 0); m.Length() == 0 {
+					m.Cmdy(INNER, nfs.GREP, arg[1])
+				}
 			}},
 			mdb.ENGINE: {Name: "engine", Help: "引擎", Hand: func(m *ice.Message, arg ...string) {
 				_inner_exec(m, arg[0], arg[1], arg[2])
 			}},
+			nfs.TAGS: {Name: "tags", Help: "索引", Hand: func(m *ice.Message, arg ...string) {
+			}},
+			nfs.GREP: {Name: "grep", Help: "搜索", Hand: func(m *ice.Message, arg ...string) {
+				m.Cmdy(nfs.GREP, m.Option(nfs.PATH), arg[0])
+				m.StatusTimeCount("index", 0)
+			}},
+			cli.MAKE: {Name: "make", Help: "构建", Hand: func(m *ice.Message, arg ...string) {
+				msg := m.Cmd(cli.SYSTEM, cli.MAKE, arg)
+				list := strings.Split(msg.Append(cli.CMD_ERR), ice.NL)
+				for _, line := range list {
+					if strings.Contains(line, ice.DF) {
+						if ls := strings.SplitN(line, ice.DF, 4); len(ls) > 3 {
+							m.Push(nfs.FILE, strings.TrimPrefix(ls[0], m.Option(nfs.PATH)))
+							m.Push(nfs.LINE, ls[1])
+							m.Push(mdb.TEXT, ls[3])
+						}
+					}
+				}
+				if m.Length() == 0 {
+					m.Echo(msg.Append(cli.CMD_OUT))
+					m.Echo(msg.Append(cli.CMD_ERR))
+				}
+				m.StatusTime()
+			}},
 			mdb.INPUTS: {Name: "inputs", Help: "补全", Hand: func(m *ice.Message, arg ...string) {
 				switch arg[0] {
 				case nfs.PATH:
@@ -117,7 +152,7 @@ func init() {
 				m.Set(ice.MSG_STATUS)
 				return
 			}
-			m.Option("plug", "inner/search.js?a=1,inner/favor.js")
+			m.Option("exts", "inner/search.js?a=1,inner/favor.js")
 			arg[1] = kit.Split(arg[1])[0]
 			_inner_list(m, kit.Ext(arg[1]), arg[1], arg[0])
 			m.Set(ice.MSG_STATUS)