diff --git a/src/contexts/ctx/ctx.go b/src/contexts/ctx/ctx.go
index efc0098c..b7332bd2 100644
--- a/src/contexts/ctx/ctx.go
+++ b/src/contexts/ctx/ctx.go
@@ -3546,6 +3546,19 @@ var Index = &Context{Name: "ctx", Help: "模块中心",
 			}},
 		"select": &Command{Name: "select key value", Form: map[string]int{"order": 2, "limit": 1, "offset": 1, "vertical": 1}, Help: "选取数据", Hand: func(m *Message, c *Context, key string, arg ...string) {
 			msg := m.Spawn()
+			nrow := len(m.Meta[m.Meta["append"][0]])
+			for i := 0; i < nrow; i++ {
+				if len(arg) == 0 || strings.Contains(m.Meta[arg[0]][i], arg[1]) {
+					for _, k := range m.Meta["append"] {
+						msg.Add("append", k, m.Meta[k][i])
+					}
+				}
+			}
+
+			if m.Set("append").Copy(msg, "append"); m.Has("order") {
+				m.Sort(m.Option("order"), m.Meta["order"][1])
+			}
+
 			offset := 0
 			limit := 10
 			if m.Has("limit") {
@@ -3554,22 +3567,17 @@ var Index = &Context{Name: "ctx", Help: "模块中心",
 			if m.Has("offset") {
 				offset = m.Optioni("offset")
 			}
-			n := 0
-
-			nrow := len(m.Meta[m.Meta["append"][0]])
-			for i := 0; i < nrow; i++ {
-				if len(arg) == 0 || strings.Contains(m.Meta[arg[0]][i], arg[1]) {
-					if n++; offset < n && n <= offset+limit {
-						for _, k := range m.Meta["append"] {
-							msg.Add("append", k, m.Meta[k][i])
-						}
-					}
-				}
+			nrow = len(m.Meta[m.Meta["append"][0]])
+			if offset > nrow {
+				offset = nrow
+			}
+			if limit+offset > nrow {
+				limit = nrow - offset
+			}
+			for _, k := range m.Meta["append"] {
+				m.Meta[k] = m.Meta[k][offset : offset+limit]
 			}
 
-			if m.Set("append").Copy(msg, "append"); m.Has("order") {
-				m.Sort(m.Option("order"), m.Meta["order"][1])
-			}
 			if m.Has("vertical") {
 				msg := m.Spawn()
 				nrow := len(m.Meta[m.Meta["append"][0]])
@@ -3584,6 +3592,7 @@ var Index = &Context{Name: "ctx", Help: "模块中心",
 				}
 				m.Set("append").Copy(msg, "append")
 			}
+
 			m.Table()
 		}},
 		"import": &Command{Name: "import filename", Help: "导入数据", Hand: func(m *Message, c *Context, key string, arg ...string) {
diff --git a/src/contexts/lex/lex.go b/src/contexts/lex/lex.go
index 30cd1c29..b8398e73 100644
--- a/src/contexts/lex/lex.go
+++ b/src/contexts/lex/lex.go
@@ -1,13 +1,12 @@
-package lex // {{{
-// }}}
-import ( // {{{
+package lex
+
+import (
 	"contexts/ctx"
 	"fmt"
 	"strconv"
+	"strings"
 )
 
-// }}}
-
 type Seed struct {
 	page int
 	hash int
@@ -22,10 +21,8 @@ type Point struct {
 	s int
 	c byte
 }
-
 type LEX struct {
 	seed []*Seed
-
 	page map[string]int
 	hash map[string]int
 
@@ -37,7 +34,7 @@ type LEX struct {
 	*ctx.Context
 }
 
-func (lex *LEX) index(hash string, h string) int { // {{{
+func (lex *LEX) index(hash string, h string) int {
 	which := lex.page
 	if hash == "nhash" {
 		which = lex.hash
@@ -56,17 +53,13 @@ func (lex *LEX) index(hash string, h string) int { // {{{
 	lex.Assert(hash != "npage" || lex.Capi("npage") < lex.Capi("nlang"))
 	return which[h]
 }
-
-// }}}
-func (lex *LEX) charset(c byte) []byte { // {{{
+func (lex *LEX) charset(c byte) []byte {
 	if cs, ok := lex.char[c]; ok {
 		return cs
 	}
 	return []byte{c}
 }
-
-// }}}
-func (lex *LEX) train(page int, hash int, seed []byte) int { // {{{
+func (lex *LEX) train(page int, hash int, seed []byte) int {
 
 	ss := []int{page}
 	cn := make([]bool, lex.Capi("ncell"))
@@ -223,9 +216,7 @@ func (lex *LEX) train(page int, hash int, seed []byte) int { // {{{
 
 	return hash
 }
-
-// }}}
-func (lex *LEX) parse(m *ctx.Message, page int, line []byte) (hash int, rest []byte, word []byte) { // {{{
+func (lex *LEX) parse(m *ctx.Message, page int, line []byte) (hash int, rest []byte, word []byte) {
 
 	pos := 0
 	for star, s := 0, page; s != 0 && pos < len(line); pos++ {
@@ -268,10 +259,7 @@ func (lex *LEX) parse(m *ctx.Message, page int, line []byte) (hash int, rest []b
 	rest = line[pos:]
 	return
 }
-
-// }}}
-
-func (lex *LEX) Spawn(m *ctx.Message, c *ctx.Context, arg ...string) ctx.Server { // {{{
+func (lex *LEX) Spawn(m *ctx.Message, c *ctx.Context, arg ...string) ctx.Server {
 	lex.Message = m
 	c.Caches = map[string]*ctx.Cache{}
 	c.Configs = map[string]*ctx.Config{}
@@ -280,9 +268,7 @@ func (lex *LEX) Spawn(m *ctx.Message, c *ctx.Context, arg ...string) ctx.Server
 	s.Context = c
 	return s
 }
-
-// }}}
-func (lex *LEX) Begin(m *ctx.Message, arg ...string) ctx.Server { // {{{
+func (lex *LEX) Begin(m *ctx.Message, arg ...string) ctx.Server {
 	lex.Message = m
 
 	lex.Caches["ncell"] = &ctx.Cache{Name: "字符上限", Value: "128", Help: "字符集合的最大数量"}
@@ -322,15 +308,11 @@ func (lex *LEX) Begin(m *ctx.Message, arg ...string) ctx.Server { // {{{
 
 	return lex
 }
-
-// }}}
-func (lex *LEX) Start(m *ctx.Message, arg ...string) bool { // {{{
+func (lex *LEX) Start(m *ctx.Message, arg ...string) bool {
 	lex.Message = m
 	return false
 }
-
-// }}}
-func (lex *LEX) Close(m *ctx.Message, arg ...string) bool { // {{{
+func (lex *LEX) Close(m *ctx.Message, arg ...string) bool {
 	switch lex.Context {
 	case m.Target():
 	case m.Source():
@@ -338,8 +320,6 @@ func (lex *LEX) Close(m *ctx.Message, arg ...string) bool { // {{{
 	return true
 }
 
-// }}}
-
 var Index = &ctx.Context{Name: "lex", Help: "词法中心",
 	Caches: map[string]*ctx.Cache{
 		"nmat": &ctx.Cache{Name: "nmat", Value: "0", Help: "nmat"},
@@ -347,12 +327,12 @@ var Index = &ctx.Context{Name: "lex", Help: "词法中心",
 	Configs: map[string]*ctx.Config{},
 	Commands: map[string]*ctx.Command{
 		"spawn": &ctx.Command{Name: "spawn", Help: "添加词法规则", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
-			if _, ok := m.Target().Server.(*LEX); m.Assert(ok) { // {{{
+			if _, ok := m.Target().Server.(*LEX); m.Assert(ok) {
 				m.Start(fmt.Sprintf("matrix%d", m.Capi("nmat", 1)), "matrix")
-			} // }}}
+			}
 		}},
 		"train": &ctx.Command{Name: "train seed [hash [page]", Help: "添加词法规则", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
-			if lex, ok := m.Target().Server.(*LEX); m.Assert(ok) { // {{{
+			if lex, ok := m.Target().Server.(*LEX); m.Assert(ok) {
 				page, hash := 1, 1
 				if len(arg) > 2 {
 					page = lex.index("npage", arg[2])
@@ -369,10 +349,10 @@ var Index = &ctx.Context{Name: "lex", Help: "词法中心",
 				m.Result(0, lex.train(page, hash, []byte(arg[0])))
 				lex.seed = append(lex.seed, &Seed{page, hash, arg[0]})
 				lex.Cap("stream", fmt.Sprintf("%d,%s,%s", lex.Capi("nseed", 1), lex.Cap("npage"), lex.Cap("nhash")))
-			} // }}}
+			}
 		}},
 		"parse": &ctx.Command{Name: "parse line [page]", Help: "解析单词", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
-			if lex, ok := m.Target().Server.(*LEX); m.Assert(ok) { // {{{
+			if lex, ok := m.Target().Server.(*LEX); m.Assert(ok) {
 				page := 1
 				if len(arg) > 1 {
 					page = lex.index("npage", arg[1])
@@ -380,77 +360,75 @@ var Index = &ctx.Context{Name: "lex", Help: "词法中心",
 
 				hash, rest, word := lex.parse(m, page, []byte(arg[0]))
 				m.Result(0, hash, string(rest), string(word))
-			} // }}}
+			}
 		}},
-		"split": &ctx.Command{Name: "split line page void help", Help: "分割语句", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
-			if lex, ok := m.Target().Server.(*LEX); m.Assert(ok) { // {{{
-				page := 1
-				if len(arg) > 1 {
-					page = lex.index("npage", arg[1])
-				}
-
-				void := 2
-				if len(arg) > 2 {
-					void = lex.index("npage", arg[2])
-				}
-
-				help := 2
-				if len(arg) > 3 {
-					help = lex.index("npage", arg[3])
-				}
-
-				rest := []byte(arg[0])
-				_, _, rest = lex.parse(m, help, []byte(rest))
-				_, _, rest = lex.parse(m, void, []byte(rest))
-				hash, word, rest := lex.parse(m, page, []byte(rest))
-				m.Add("result", fmt.Sprintf("%d", hash), string(word), string(rest))
-			} // }}}
-		}},
-		"info": &ctx.Command{Name: "info", Help: "显示缓存", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
-			if lex, ok := m.Target().Server.(*LEX); m.Assert(ok) { // {{{
-				for i, v := range lex.seed {
-					m.Echo("seed: %d %v\n", i, v)
-				}
-				for i, v := range lex.page {
-					m.Echo("page: %s %d\n", i, v)
-				}
-				for i, v := range lex.hash {
-					m.Echo("hash: %s %d\n", i, v)
-				}
-				for i, v := range lex.state {
-					m.Echo("node: %v %v\n", i, v)
-				}
-				for i, v := range lex.mat {
-					for k, v := range v {
-						m.Echo("node: %v %v %v\n", i, k, v)
+		"show": &ctx.Command{Name: "show info", Help: "查看信息", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
+			if lex, ok := m.Target().Server.(*LEX); m.Assert(ok) {
+				switch arg[0] {
+				case "seed":
+					for _, v := range lex.seed {
+						m.Add("append", "page", fmt.Sprintf("%d", v.page))
+						m.Add("append", "hash", fmt.Sprintf("%d", v.hash))
+						m.Add("append", "word", fmt.Sprintf("%s", strings.Replace(strings.Replace(v.word, "\n", "\\n", -1), "\t", "\\t", -1)))
 					}
-				}
-			} // }}}
-		}},
-		"check": &ctx.Command{Name: "check page void word...", Help: "解析语句, page: 语法集合, void: 空白语法集合, word: 语句", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
-			if lex, ok := m.Target().Server.(*LEX); m.Assert(ok) { // {{{
-				set := map[*State]bool{}
-				nreal := 0
-				for _, v := range lex.state {
-					nreal++
-					set[v] = true
-				}
-
-				nnode := 0
-				for i, v := range lex.mat {
-					for j, x := range v {
-						if x == nil && int(j) < m.Capi("nlang") {
-							continue
-						}
-						nnode++
-
-						if _, ok := set[x]; !ok {
-							m.Log("fuck", "not in %d %d %v %p", i, j, x, x)
+					m.Table()
+				case "page":
+					for k, v := range lex.page {
+						m.Add("append", "page", k)
+						m.Add("append", "code", fmt.Sprintf("%d", v))
+					}
+					m.Sort("code", "int").Table()
+				case "hash":
+					for k, v := range lex.hash {
+						m.Add("append", "hash", k)
+						m.Add("append", "code", fmt.Sprintf("%d", v))
+					}
+					m.Table()
+				case "mat":
+					for _, v := range lex.mat {
+						for j := byte(0); j < byte(m.Capi("ncell")); j++ {
+							s := v[j]
+							if s == nil {
+								m.Add("append", fmt.Sprintf("%c", j), "")
+							} else {
+								// m.Add("append", fmt.Sprintf("%c", j), fmt.Sprintf("(%t,%d,%d)", s.star, s.next, s.hash))
+								star := 0
+								if s.star {
+									star = 1
+								}
+								m.Add("append", fmt.Sprintf("%c", j), fmt.Sprintf("%d,%d,%d", star, s.next, s.hash))
+							}
 						}
 					}
+
+					ncol := len(m.Meta["append"])
+					nrow := len(m.Meta[m.Meta["append"][0]])
+					for i := 0; i < ncol-1; i++ {
+						for j := i + 1; j < ncol; j++ {
+							same := true
+							for n := 0; n < nrow; n++ {
+								if m.Meta[m.Meta["append"][i]][n] != m.Meta[m.Meta["append"][j]][n] {
+									same = false
+									break
+								}
+							}
+
+							if same {
+								key = m.Meta["append"][i] + m.Meta["append"][j]
+								m.Meta[key] = m.Meta[m.Meta["append"][i]]
+								m.Meta["append"][i] = key
+								for k := j; k < ncol-1; k++ {
+									m.Meta["append"][k] = m.Meta["append"][k+1]
+								}
+								ncol--
+								j--
+							}
+						}
+					}
+					m.Meta["append"] = m.Meta["append"][:ncol]
+					m.Table()
 				}
-				m.Log("fuck", "node: %d real: %d", nnode, nreal)
-			} // }}}
+			}
 		}},
 	},
 }
diff --git a/src/contexts/web/web.go b/src/contexts/web/web.go
index ca3194ac..294810c6 100644
--- a/src/contexts/web/web.go
+++ b/src/contexts/web/web.go
@@ -301,6 +301,31 @@ var Index = &ctx.Context{Name: "web", Help: "应用中心",
 					"name": "clipbaord", "help": "clipbaord", "template": "clipboard",
 					"context": "", "command": "", "arguments": []interface{}{},
 				},
+				map[string]interface{}{
+					"name": "matrix", "help": "matrix", "template": "componet",
+					"context": "lex", "command": "show", "arguments": []interface{}{"@info"},
+					"inputs": []interface{}{
+						map[string]interface{}{
+							"type": "choice", "name": "info",
+							"label": "info", "value": "seed",
+							"choice": []interface{}{
+								map[string]interface{}{
+									"name": "seed", "value": "seed",
+								},
+								map[string]interface{}{
+									"name": "page", "value": "page",
+								},
+								map[string]interface{}{
+									"name": "hash", "value": "hash",
+								},
+								map[string]interface{}{
+									"name": "mat", "value": "mat",
+								},
+							},
+						},
+					},
+					"display_result": "",
+				},
 				map[string]interface{}{
 					"name": "message", "help": "message", "template": "componet",
 					"context": "cli", "command": "buffer", "arguments": []interface{}{},
@@ -912,15 +937,6 @@ var Index = &ctx.Context{Name: "web", Help: "应用中心",
 							}
 						}
 
-						args := []string{}
-						if val["arguments"] != nil {
-							for _, v := range val["arguments"].([]interface{}) {
-								switch value := v.(type) {
-								case string:
-									args = append(args, m.Parse(value))
-								}
-							}
-						}
 						if val["inputs"] != nil {
 							for _, v := range val["inputs"].([]interface{}) {
 								value := v.(map[string]interface{})
@@ -930,6 +946,16 @@ var Index = &ctx.Context{Name: "web", Help: "应用中心",
 							}
 						}
 
+						args := []string{}
+						if val["arguments"] != nil {
+							for _, v := range val["arguments"].([]interface{}) {
+								switch value := v.(type) {
+								case string:
+									args = append(args, msg.Parse(value))
+								}
+							}
+						}
+
 						if val["command"] != nil {
 							msg.Cmd(val["command"], args)
 						}