diff --git a/base/mdb/mdb.go b/base/mdb/mdb.go
index bb0f2e6a..87539dc0 100644
--- a/base/mdb/mdb.go
+++ b/base/mdb/mdb.go
@@ -23,6 +23,17 @@ func _hash_insert(m *ice.Message, prefix, key string, arg ...string) string {
 	return m.Rich(prefix, key, kit.Dict(arg))
 
 }
+func _hash_inputs(m *ice.Message, prefix, key string, field, value string) {
+	list := map[string]int{}
+	m.Richs(prefix, key, kit.MDB_FOREACH, func(key string, val map[string]interface{}) {
+		list[kit.Format(val[field])]++
+	})
+	for k, i := range list {
+		m.Push("key", k)
+		m.Push("count", i)
+	}
+	m.Sort("count", "int_r")
+}
 func _hash_modify(m *ice.Message, prefix, key string, field, value string, arg ...string) {
 	m.Richs(prefix, key, value, func(key string, value map[string]interface{}) {
 		for i := 0; i < len(arg)-1; i += 2 {
@@ -84,9 +95,7 @@ func _hash_import(m *ice.Message, prefix, key, file string) {
 }
 func _hash_select(m *ice.Message, prefix, key, field, value string) {
 	fields := strings.Split(kit.Select("time,name", m.Option("fields")), ",")
-	m.Debug("what %v %v", prefix, key, value)
 	m.Richs(prefix, key, value, func(key string, val map[string]interface{}) {
-		m.Debug("what %v %v", prefix, key)
 		if value == kit.MDB_FOREACH {
 			m.Push(key, val, fields)
 			return
@@ -279,6 +288,8 @@ const (
 	IMPORT = "import"
 	EXPORT = "export"
 
+	INPUTS = "inputs"
+
 	INSERT = "insert"
 	MODIFY = "modify"
 	DELETE = "delete"
@@ -338,6 +349,13 @@ var Index = &ice.Context{Name: "mdb", Help: "数据模块",
 				_list_import(m, arg[0], arg[1], file)
 			}
 		}},
+		INPUTS: {Name: "inputs conf key type field value", Help: "输入补全", Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {
+			switch arg[2] {
+			case HASH:
+				_hash_inputs(m, arg[0], arg[1], arg[3], kit.Select("", arg, 4))
+			case LIST:
+			}
+		}},
 	},
 }
 
@@ -346,5 +364,6 @@ func init() {
 		IMPORT, EXPORT, SELECT,
 		PLUGIN, ENGINE, SEARCH, RENDER,
 		INSERT, MODIFY, DELETE,
+		INPUTS,
 	)
 }
diff --git a/core/chat/study.go b/core/chat/study.go
new file mode 100644
index 00000000..61e04f9c
--- /dev/null
+++ b/core/chat/study.go
@@ -0,0 +1,68 @@
+package chat
+
+import (
+	ice "github.com/shylinux/icebergs"
+	"github.com/shylinux/icebergs/base/mdb"
+	kit "github.com/shylinux/toolkits"
+)
+
+var _target_insert = kit.List(
+	"_input", "text", "name", "type", "value", "@key",
+	"_input", "text", "name", "name", "value", "@key",
+	"_input", "text", "name", "text", "value", "@key",
+)
+
+const (
+	STUDY  = "study"
+	TARGET = "target"
+	// ACTION = "action"
+	ASSESS = "assess"
+)
+
+func init() {
+	Index.Register(&ice.Context{Name: STUDY, Help: "study",
+		Configs: map[string]*ice.Config{
+			TARGET: {Name: "target", Help: "大纲", Value: kit.Data()},
+			ACTION: {Name: "action", Help: "互动", Value: kit.Data()},
+			ASSESS: {Name: "assess", Help: "评测", Value: kit.Data()},
+		},
+		Commands: map[string]*ice.Command{
+			ice.CTX_INIT: {Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) { m.Load() }},
+			ice.CTX_EXIT: {Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) { m.Save() }},
+
+			TARGET: {Name: "target hash=auto auto 添加:button 导出:button 导入:button", Help: "大纲", Meta: kit.Dict(
+				"添加", _target_insert,
+			), Action: map[string]*ice.Action{
+				mdb.INSERT: {Name: "insert [key value]...", Help: "添加", Hand: func(m *ice.Message, arg ...string) {
+					m.Cmdy(mdb.INSERT, m.Prefix(TARGET), m.Option(ice.MSG_DOMAIN), mdb.HASH, arg)
+				}},
+				mdb.MODIFY: {Name: "modify key value", Help: "编辑", Hand: func(m *ice.Message, arg ...string) {
+					m.Cmdy(mdb.MODIFY, m.Prefix(TARGET), m.Option(ice.MSG_DOMAIN), mdb.HASH, "", m.Option("hash"), arg[0], arg[1])
+				}},
+				mdb.DELETE: {Name: "delete", Help: "删除", Hand: func(m *ice.Message, arg ...string) {
+					m.Cmdy(mdb.DELETE, m.Prefix(TARGET), m.Option(ice.MSG_DOMAIN), mdb.HASH, "", m.Option("hash"))
+				}},
+				mdb.EXPORT: {Name: "export", Help: "导出", Hand: func(m *ice.Message, arg ...string) {
+					m.Cmdy(mdb.EXPORT, m.Prefix(TARGET), m.Option(ice.MSG_DOMAIN), mdb.HASH)
+				}},
+				mdb.IMPORT: {Name: "import", Help: "导入", Hand: func(m *ice.Message, arg ...string) {
+					m.Cmdy(mdb.IMPORT, m.Prefix(TARGET), m.Option(ice.MSG_DOMAIN), mdb.HASH)
+				}},
+
+				mdb.INPUTS: {Name: "inputs key value", Help: "补全", Hand: func(m *ice.Message, arg ...string) {
+					m.Cmdy(mdb.INPUTS, m.Prefix(TARGET), m.Option(ice.MSG_DOMAIN), mdb.HASH, arg)
+				}},
+			}, Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {
+				m.Option("fields", "time,hash,type,name,text")
+				m.Cmdy(mdb.SELECT, m.Prefix(TARGET), m.Option(ice.MSG_DOMAIN), mdb.HASH, "", kit.Select(kit.MDB_FOREACH, arg, 0))
+				if len(arg) == 0 {
+					m.PushAction("备课", "学习", "测试", "删除")
+				}
+			}},
+			ACTION: {Name: "action", Help: "互动", Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {
+			}},
+			ASSESS: {Name: "assess", Help: "评测", Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {
+			}},
+		},
+	}, nil)
+}
diff --git a/core/code/c.go b/core/code/c.go
index c6f2199a..545288b2 100644
--- a/core/code/c.go
+++ b/core/code/c.go
@@ -25,7 +25,7 @@ func _c_find(m *ice.Message, key string) {
 }
 func _c_grep(m *ice.Message, key string) {
 	m.Split(m.Cmd(cli.SYSTEM, GREP, "--exclude-dir=.git", "--exclude-dir=pluged", "--exclude=.[a-z]*",
-		"-rn", key, ".").Append(cli.CMD_OUT), "file:line:text", ":", "\n")
+		"-rn", "\\<"+key+"\\>", ".").Append(cli.CMD_OUT), "file:line:text", ":", "\n")
 }
 func _c_tags(m *ice.Message, key string) {
 	if _, e := os.Stat(path.Join(m.Option("_path"), m.Conf(C, "meta.tags"))); e != nil {
diff --git a/core/code/code.go b/core/code/code.go
index e49218ff..765dd248 100644
--- a/core/code/code.go
+++ b/core/code/code.go
@@ -17,6 +17,11 @@ import (
 	"strings"
 )
 
+const (
+	VEDIO  = "vedio"
+	QRCODE = "qrcode"
+)
+
 const ( // CODE
 	INSTALL = "_install"
 	PREPARE = "_prepare"
diff --git a/core/code/go.go b/core/code/go.go
index a68e38e1..7c479f2c 100644
--- a/core/code/go.go
+++ b/core/code/go.go
@@ -146,6 +146,7 @@ func init() {
 					} else {
 						m.Cmdy(cli.SYSTEM, GO, "run", "./"+arg[1])
 					}
+					m.Set(ice.MSG_APPEND)
 				}},
 			}, Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {}},
 		},
diff --git a/core/code/inner.go b/core/code/inner.go
index 7b482588..5cbbb73d 100644
--- a/core/code/inner.go
+++ b/core/code/inner.go
@@ -12,30 +12,10 @@ import (
 	"strings"
 )
 
-const (
-	INNER  = "inner"
-	VEDIO  = "vedio"
-	QRCODE = "qrcode"
-)
-
-const (
-	LIST = "list"
-	PLUG = "plug"
-	SHOW = "show"
-	SAVE = "save"
-)
-
 func _inner_ext(name string) string {
 	return strings.ToLower(kit.Select(path.Base(name), strings.TrimPrefix(path.Ext(name), ".")))
 }
 
-func _inner_show(m *ice.Message, ext, file, dir string, arg ...string) {
-	if m.Cmdy(mdb.ENGINE, ext, file, dir, arg); m.Result() == "" {
-		if ls := kit.Simple(m.Confv(INNER, kit.Keys("meta.show", ext))); len(ls) > 0 {
-			m.Cmdy(cli.SYSTEM, ls, path.Join(dir, file)).Set(ice.MSG_APPEND)
-		}
-	}
-}
 func _inner_list(m *ice.Message, ext, file, dir string, arg ...string) {
 	if !m.Right(strings.Split(dir, "/"), file) {
 		return
@@ -48,11 +28,30 @@ func _inner_list(m *ice.Message, ext, file, dir string, arg ...string) {
 		}
 	}
 }
+func _inner_show(m *ice.Message, ext, file, dir string, arg ...string) {
+	if m.Cmdy(mdb.ENGINE, ext, file, dir, arg); m.Result() == "" {
+		if ls := kit.Simple(m.Confv(INNER, kit.Keys("meta.show", ext))); len(ls) > 0 {
+			m.Cmdy(cli.SYSTEM, ls, path.Join(dir, file)).Set(ice.MSG_APPEND)
+		}
+	}
+}
+
+const (
+	LIST = "list"
+	PLUG = "plug"
+	SHOW = "show"
+	SAVE = "save"
+)
+
+const (
+	INNER = "inner"
+	VIMER = "vimer"
+)
 
 func init() {
 	Index.Merge(&ice.Context{
 		Commands: map[string]*ice.Command{
-			INNER: {Name: "inner path=usr/demo file=hi.sh line=1 auto", Help: "编辑器", Meta: kit.Dict(
+			INNER: {Name: "inner path=usr/demo file=hi.sh line=1 auto", Help: "阅读器", Meta: kit.Dict(
 				"display", "/plugin/local/code/inner.js", "style", "editor",
 			), Action: map[string]*ice.Action{
 				web.UPLOAD: {Name: "upload path name", Help: "上传", Hand: func(m *ice.Message, arg ...string) {
@@ -83,9 +82,14 @@ func init() {
 				}
 				_inner_list(m, _inner_ext(arg[1]), arg[1], arg[0])
 			}},
+			VIMER: {Name: "vimer path=usr/demo file=hi.sh line=1 auto", Help: "编辑器", Meta: kit.Dict(
+				"display", "/plugin/local/code/vimer.js", "style", "editor",
+			), Action: map[string]*ice.Action{}, Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {
+				m.Cmdy(INNER, arg)
+			}},
 		},
 		Configs: map[string]*ice.Config{
-			INNER: {Name: "inner", Help: "编辑器", Value: kit.Data(
+			INNER: {Name: "inner", Help: "阅读器", Value: kit.Data(
 				"source", kit.Dict(
 					"license", "true",
 					"makefile", "true",
diff --git a/core/code/sh.go b/core/code/sh.go
index b79c6159..825147eb 100644
--- a/core/code/sh.go
+++ b/core/code/sh.go
@@ -19,6 +19,7 @@ func init() {
 				m.Cmd(mdb.SEARCH, mdb.CREATE, SH, SH, c.Cap(ice.CTX_FOLLOW))
 				m.Cmd(mdb.PLUGIN, mdb.CREATE, SH, SH, c.Cap(ice.CTX_FOLLOW))
 				m.Cmd(mdb.RENDER, mdb.CREATE, SH, SH, c.Cap(ice.CTX_FOLLOW))
+				m.Cmd(mdb.ENGINE, mdb.CREATE, SH, SH, c.Cap(ice.CTX_FOLLOW))
 			}},
 			SH: {Name: SH, Help: "sh", Action: map[string]*ice.Action{
 				mdb.SEARCH: {Name: "search type name text", Hand: func(m *ice.Message, arg ...string) {
@@ -37,7 +38,9 @@ func init() {
 					m.Cmdy(nfs.CAT, path.Join(arg[2], arg[1]))
 				}},
 				mdb.ENGINE: {Hand: func(m *ice.Message, arg ...string) {
-					m.Cmdy(cli.SYSTEM, path.Join(arg[2], arg[1]))
+					m.Option(cli.CMD_DIR, arg[2])
+					m.Cmdy(cli.SYSTEM, arg[1])
+					m.Set(ice.MSG_APPEND)
 				}},
 
 				"man": {Hand: func(m *ice.Message, arg ...string) {
diff --git a/meta.go b/meta.go
index 49be484a..c35b154f 100644
--- a/meta.go
+++ b/meta.go
@@ -83,7 +83,7 @@ func (m *Message) Push(key string, value interface{}, arg ...interface{}) *Messa
 			// 查找数据
 			var v interface{}
 			switch k {
-			case kit.MDB_KEY, kit.MDB_ZONE:
+			case kit.MDB_KEY, kit.MDB_ZONE, kit.MDB_HASH:
 				if key != "" {
 					v = key
 					break
diff --git a/misc.go b/misc.go
index c4362a4d..36a1ac83 100644
--- a/misc.go
+++ b/misc.go
@@ -13,6 +13,11 @@ func (m *Message) Prefix(arg ...string) string {
 }
 func (m *Message) Save(arg ...string) *Message {
 	list := []string{}
+	if len(arg) == 0 {
+		for k := range m.target.Configs {
+			arg = append(arg, k)
+		}
+	}
 	for _, k := range arg {
 		list = append(list, kit.Keys(m.Cap(CTX_FOLLOW), k))
 	}