diff --git a/core/wiki/chart.go b/core/wiki/chart.go
index 07976c4b..ac60ff6c 100644
--- a/core/wiki/chart.go
+++ b/core/wiki/chart.go
@@ -58,14 +58,10 @@ func (g *Group) Get(group string) *ice.Message { return g.list[group] }
 
 func (g *Group) Join(arg ...string) string {
 	args := []string{}
-	for i := 0; i < len(arg); i += 2 {
+	for i := 0; i < len(arg)-1; i += 2 {
 		if arg[i] == "" {
 			continue
 		}
-		if i == len(arg)-1 {
-			args = append(args, arg[i])
-			continue
-		}
 		args = append(args, kit.Format(`%s="%s"`, arg[i], arg[i+1]))
 	}
 	return kit.Join(args, ice.SP)
@@ -91,6 +87,10 @@ func (g *Group) EchoText(group string, x, y int, text string, arg ...string) *ic
 func (g *Group) EchoTexts(group string, x, y int, text string, arg ...string) *ice.Message {
 	m := g.Get(group)
 	float := kit.Int(kit.Select("2", "7", kit.Contains(m.Option(ice.MSG_USERUA), "iPhone")))
+	if strings.Contains(m.Option(ice.MSG_USERUA), "Chrome") || strings.Contains(m.Option(ice.MSG_USERUA), "Mobile") {
+	} else {
+		float += 4
+	}
 	return g.EchoText(group, x, y+float, text, arg...)
 }
 func (g *Group) DefsArrow(group string, height, width int, arg ...string) *ice.Message { // name
diff --git a/core/wiki/chart/chain.go b/core/wiki/chart/chain.go
index 361182ac..46f9a1aa 100644
--- a/core/wiki/chart/chain.go
+++ b/core/wiki/chart/chain.go
@@ -57,7 +57,6 @@ func (c *Chain) draw(m *ice.Message, root ice.Map, x, y int, p *Block, gs *wiki.
 	meta := kit.GetMeta(root)
 	item := p.Fork(m, kit.Format(meta[mdb.TEXT]))
 	item.x, item.y = x, y+(kit.Int(meta[wiki.HEIGHT])-1)*c.GetHeights()/2
-	m.Debug("what %#v", meta)
 	item.Data(m, meta)
 
 	if p != nil && p.y != 0 {
@@ -70,7 +69,7 @@ func (c *Chain) draw(m *ice.Message, root ice.Map, x, y int, p *Block, gs *wiki.
 		gs.EchoPath(SHIP, "M %d,%d Q %d,%d %d,%d T %d %d", x1, y1, x1+(x4-x1)/4, y1, x1+(x4-x1)/2, y1+(y4-y1)/2, x4, y4)
 	}
 	if m.Option(SHOW_BLOCK) == ice.TRUE {
-		gs.EchoRect(RECT, item.GetHeight(), item.GetWidth(), item.x+item.MarginX/2, item.y+item.MarginY/2, "4", "4", item.RectData)
+		gs.EchoRect(RECT, item.GetHeight(), item.GetWidth(), item.x+item.MarginX/2, item.y+item.MarginY/2)
 	} else {
 		gs.EchoLine(LINE, item.x+item.MarginX/2, item.y+item.GetHeights()-item.MarginY/2, item.x+item.GetWidths()-item.MarginX/2, item.y+item.GetHeights()-item.MarginY/2)
 	}
@@ -95,7 +94,7 @@ const CHAIN = "chain"
 
 func init() {
 	wiki.AddChart(CHAIN, func(m *ice.Message) wiki.Chart {
-		m.Option(wiki.FONT_SIZE, "16")
+		m.Option(wiki.FONT_SIZE, "18")
 		m.Option(wiki.MARGINX, "60")
 		m.Option(wiki.MARGINY, "20")
 		m.Option(wiki.PADDING, "10")
diff --git a/core/wiki/chart/label.go b/core/wiki/chart/label.go
index 94706ba8..d265a42a 100644
--- a/core/wiki/chart/label.go
+++ b/core/wiki/chart/label.go
@@ -1,8 +1,6 @@
 package chart
 
 import (
-	"strings"
-
 	ice "shylinux.com/x/icebergs"
 	"shylinux.com/x/icebergs/base/lex"
 	"shylinux.com/x/icebergs/base/nfs"
@@ -62,23 +60,9 @@ func (s *Label) Draw(m *ice.Message, x, y int) wiki.Chart {
 			}
 
 			if m.Option(HIDE_BLOCK) != ice.TRUE {
-				args := []string{"4", "4"}
-				if mod := kit.Int(m.Option("order.mod")); mod != 0 && i%mod == 0 {
-					args = append(args, wiki.FILL, m.Option("order.bg"))
-				}
-				gs.EchoRect(RECT, item.GetHeight(), item.GetWidth(), left+item.MarginX/2, top+item.MarginY/2, args...)
-			}
-
-			args := []string{}
-			if mod := kit.Int(m.Option("order.mod")); mod != 0 && i%mod == 0 {
-				args = append(args, wiki.STROKE, m.Option("order.fg"))
-				args = append(args, wiki.FILL, m.Option("order.fg"))
-			}
-			if strings.Contains(m.Option(ice.MSG_USERUA), "Chrome") || strings.Contains(m.Option(ice.MSG_USERUA), "Mobile") {
-				gs.EchoTexts(TEXT, left+item.GetWidths()/2, top+item.GetHeights()/2, item.Text, args...)
-			} else {
-				gs.EchoTexts(TEXT, left+item.GetWidths()/2, top+item.GetHeights()/2+4, item.Text, args...)
+				gs.EchoRect(RECT, item.GetHeight(), item.GetWidth(), left+item.MarginX/2, top+item.MarginY/2)
 			}
+			gs.EchoTexts(TEXT, left+item.GetWidths()/2, top+item.GetHeights()/2, item.Text)
 
 			if left += item.GetWidths(); item.GetHeights() > height {
 				height = item.GetHeights()
diff --git a/core/wiki/chart/sequence.go b/core/wiki/chart/sequence.go
index 115a0563..8aaae318 100644
--- a/core/wiki/chart/sequence.go
+++ b/core/wiki/chart/sequence.go
@@ -4,7 +4,6 @@ import (
 	ice "shylinux.com/x/icebergs"
 	"shylinux.com/x/icebergs/base/cli"
 	"shylinux.com/x/icebergs/base/lex"
-	"shylinux.com/x/icebergs/base/mdb"
 	"shylinux.com/x/icebergs/base/nfs"
 	"shylinux.com/x/icebergs/core/wiki"
 	kit "shylinux.com/x/toolkits"
@@ -21,23 +20,19 @@ type Sequence struct {
 func (s *Sequence) push(m *ice.Message, list string, arg ...ice.Any) ice.Map {
 	node, node_list := kit.Dict(arg...), kit.Int(list)
 	s.list[node_list] = append(s.list[node_list], node)
-	// _max := kit.Max(len(s.list[node_list])-1, s.pos[node_list])
 	_max := kit.Max(len(s.list[node_list])-1, s.max)
 	node[ORDER], s.pos[node_list] = _max, _max+1
 	return node
 }
 func (s *Sequence) Init(m *ice.Message, arg ...string) wiki.Chart {
 	(&s.Block).Init(m)
-
-	// 解析数据
-	m.Option(lex.SPLIT_BLOCK, ice.SP)
-	m.Cmd(lex.SPLIT, "", kit.Dict(nfs.CAT_CONTENT, arg[0]), func(ls []string, data ice.Map) []string {
-		if len(s.head) == 0 { // 添加标题
+	m.Cmd(lex.SPLIT, "", kit.Dict(lex.SPLIT_BLOCK, ice.SP, nfs.CAT_CONTENT, arg[0]), func(ls []string) {
+		if len(s.head) == 0 {
 			s.head, s.pos = ls, make([]int, len(ls))
 			for i := 0; i < len(ls); i++ {
 				s.list = append(s.list, []ice.Map{})
 			}
-			return ls
+			return
 		}
 
 		from_node := s.push(m, ls[0])
@@ -49,13 +44,11 @@ func (s *Sequence) Init(m *ice.Message, arg ...string) wiki.Chart {
 				list[ls[i+1]] = to_node
 				step++
 
-				// 层级
 				_max := kit.Max(kit.Int(from_node[ORDER]), kit.Int(to_node[ORDER]), s.max)
 				s.pos[kit.Int(ls[i-1])], s.pos[kit.Int(ls[i+1])] = _max+1, _max+1
 				from_node[ORDER], to_node[ORDER] = _max, _max
 
-				// 连接
-				from_node[mdb.TEXT], from_node[mdb.NEXT] = kit.Format("%d.%d %s", s.max+1, step, ls[i]), ls[i+1]
+				from_node[TEXT], from_node[NEXT] = kit.Format("%d.%d %s", s.max+1, step, ls[i]), ls[i+1]
 				to_node[ECHO], to_node[PREV] = "", ls[i-1]
 			} else {
 				from_node[ECHO], from_node[PREV] = ls[i], ls[i+1]
@@ -63,10 +56,9 @@ func (s *Sequence) Init(m *ice.Message, arg ...string) wiki.Chart {
 			from_node = to_node
 		}
 		s.max++
-		return ls
+		return
 	})
 
-	// 计算尺寸
 	width := 0
 	for _, v := range s.head {
 		width += s.Block.GetWidths(v)
@@ -80,11 +72,7 @@ func (s *Sequence) Draw(m *ice.Message, x, y int) wiki.Chart {
 	wiki.AddGroupOption(m, TITLE, wiki.FILL, m.Option(wiki.STROKE))
 	wiki.AddGroupOption(m, TEXT, wiki.FILL, m.Option(wiki.STROKE))
 	wiki.AddGroupOption(m, ECHO, wiki.FILL, m.Option(wiki.STROKE))
-	defer func() { // 输出
-		gs.Dump(m, HEAD).Dump(m, TITLE).Dump(m, LINE)
-		gs.Dump(m, RECT).Dump(m, NEXT).Dump(m, PREV)
-		gs.Dump(m, TEXT).Dump(m, ECHO)
-	}()
+	defer gs.DumpAll(m, HEAD, TITLE, LINE, RECT, NEXT, PREV, TEXT, ECHO)
 
 	rect_width := kit.Int(gs.Option(RECT, wiki.WIDTH))
 	rect_height := kit.Int(gs.Option(RECT, wiki.HEIGHT))
@@ -95,39 +83,36 @@ func (s *Sequence) Draw(m *ice.Message, x, y int) wiki.Chart {
 	gs.DefsArrow(NEXT, arrow_height, arrow_width, NEXT)
 	gs.DefsArrow(PREV, arrow_height, arrow_width, PREV)
 
-	height := s.Height
-	s.Block.Height, s.Block.Width = 0, 0
-	line_pos := make([]int, len(s.list))
-	for i := range s.list { // 标题
-		s.Block.Text = s.head[i]
-		gs.EchoRect(HEAD, s.Block.GetHeight(), s.Block.GetWidth(), x+s.Block.MarginX/2, y+s.Block.MarginY/2)
-		gs.EchoTexts(TITLE, x+s.Block.GetWidths()/2, y+s.Block.GetHeights()/2, s.head[i])
-		line_pos[i], x = x+s.Block.GetWidths()/2, x+s.Block.GetWidths()
-	}
-
-	y += s.Block.GetHeight() + s.MarginY/2
-	for _, x := range line_pos { // 竖线
-		gs.EchoLine(LINE, x, y, x, height-s.MarginY/2)
+	line_pos, height := make([]int, len(s.list)), 0
+	for i, head := range s.head {
+		item := s.Fork(m, head)
+		pos := x + item.GetWidths()/2
+		gs.EchoLine(LINE, pos, item.GetHeight()+item.MarginY/2, pos, s.Height-s.MarginY/2)
+		gs.EchoRect(HEAD, item.GetHeight(), item.GetWidth(), x+item.MarginX/2, y+item.MarginY/2)
+		gs.EchoTexts(TITLE, pos, y+item.GetHeights()/2, head)
+		height = item.GetHeight() + item.MarginY/2
+		line_pos[i], x = pos, x+item.GetWidths()
 	}
+	y += height
 
 	for i, x := range line_pos {
 		for _, v := range s.list[i] {
 			pos := kit.Int(v[ORDER])
-			gs.EchoRect(RECT, rect_height, rect_width, x-rect_width/2, y+pos*(rect_height+s.MarginY)+s.MarginY, "2", "2")
+			gs.EchoRect(RECT, rect_height, rect_width, x-rect_width/2, y+pos*(rect_height+s.MarginY)+s.MarginY, "0", "0")
 
 			yy := y + pos*(rect_height+s.MarginY) + s.MarginY + rect_height/4
-			if kit.Format(v[mdb.NEXT]) != "" { // 请求
-				xx := line_pos[kit.Int(v[mdb.NEXT])]
+			if kit.Format(v[NEXT]) != "" {
+				xx := line_pos[kit.Int(v[NEXT])]
 				if x < xx {
 					gs.EchoArrowLine(NEXT, x+rect_width/2, yy, xx-rect_width/2-arrow_width, yy, NEXT)
 				} else {
 					gs.EchoArrowLine(NEXT, x-rect_width/2, yy, xx+rect_width/2+arrow_width, yy, NEXT)
 				}
-				gs.EchoText(TEXT, (x+xx)/2, yy-text_size/2, kit.Format(v[mdb.TEXT]))
+				gs.EchoText(TEXT, (x+xx)/2, yy-text_size/2, kit.Format(v[TEXT]))
 			}
 
 			yy += rect_height / 2
-			if kit.Format(v[PREV]) != "" { // 响应
+			if kit.Format(v[PREV]) != "" {
 				xx := line_pos[kit.Int(v[PREV])]
 				if x < xx {
 					gs.EchoArrowLine(PREV, x+rect_width/2, yy, xx-rect_width/2-arrow_width, yy, PREV)
@@ -157,26 +142,15 @@ const SEQUENCE = "sequence"
 
 func init() {
 	wiki.AddChart(SEQUENCE, func(m *ice.Message) wiki.Chart {
+		m.Option(wiki.STROKE_WIDTH, "1")
 		m.Option(wiki.MARGINX, "40")
 		m.Option(wiki.MARGINY, "40")
-		m.Option(wiki.STROKE_WIDTH, "1")
-		switch m.Option("topic") {
-		case cli.WHITE:
-			m.Option(wiki.STROKE, cli.BLACK)
-			m.Option(wiki.FILL, cli.WHITE)
-		case cli.BLACK:
-			m.Option(wiki.STROKE, cli.WHITE)
-			m.Option(wiki.FILL, cli.BLACK)
-		default:
-			m.Option(wiki.STROKE, cli.BLACK)
-			m.Option(wiki.FILL, cli.WHITE)
-		}
 		wiki.AddGroupOption(m, LINE, wiki.STROKE_DASHARRAY, "20 4 4 4")
 		wiki.AddGroupOption(m, RECT, wiki.HEIGHT, "40", wiki.WIDTH, "14")
 		wiki.AddGroupOption(m, PREV, wiki.STROKE_DASHARRAY, "10 2")
 		wiki.AddGroupOption(m, TEXT, wiki.FONT_SIZE, "16")
 		wiki.AddGroupOption(m, ECHO, wiki.FONT_SIZE, "12")
-		wiki.AddGroupOption(m, ARROW, wiki.HEIGHT, "8", wiki.WIDTH, "18", wiki.FILL, cli.GLASS)
+		wiki.AddGroupOption(m, ARROW, wiki.HEIGHT, "6", wiki.WIDTH, "12", wiki.FILL, cli.GLASS)
 		return &Sequence{}
 	})
 }