diff --git a/internal/oviewer/keybind.go b/internal/oviewer/keybind.go
index b399d96a..d9b37d68 100644
--- a/internal/oviewer/keybind.go
+++ b/internal/oviewer/keybind.go
@@ -1,8 +1,6 @@
 package oviewer
 
 import (
-	"strconv"
-
 	"github.com/gdamore/tcell"
 )
 
@@ -25,6 +23,28 @@ func (root *Root) HandleEvent(ev *tcell.EventKey) bool {
 	}
 }
 
+func (root *Root) inputEvent(ev *tcell.EventKey, fn func()) bool {
+	switch ev.Key() {
+	case tcell.KeyEscape:
+		root.mode = normal
+	case tcell.KeyEnter:
+		fn()
+		root.mode = normal
+	case tcell.KeyBackspace, tcell.KeyBackspace2:
+		if len(root.input) > 0 {
+			r := []rune(root.input)
+			root.input = string(r[:len(r)-1])
+		}
+	case tcell.KeyTAB:
+		root.input += "\t"
+	case tcell.KeyCtrlA:
+		root.CaseSensitive = !root.CaseSensitive
+	case tcell.KeyRune:
+		root.input += string(ev.Rune())
+	}
+	return true
+}
+
 func (root *Root) defaultEvent(ev *tcell.EventKey) bool {
 	switch ev.Key() {
 	case tcell.KeyEscape, tcell.KeyCtrlC:
@@ -81,22 +101,22 @@ func (root *Root) defaultEvent(ev *tcell.EventKey) bool {
 			root.Quit()
 			return true
 		case 'W', 'w':
-			root.keyWrap()
+			root.toggleWrap()
 			return true
 		case '?':
 			root.input = ""
-			root.keyPrevious()
+			root.setMode(previous)
 			return true
 		case 'c':
-			root.keyColumnMode()
+			root.toggleColumnMode()
 			return true
 		case 'd':
 			root.input = ""
-			root.keyDelimiter()
+			root.setMode(delimiter)
 			return true
 		case '/':
 			root.input = ""
-			root.keySearch()
+			root.setMode(search)
 			return true
 		case 'n':
 			root.NextSearch()
@@ -106,142 +126,16 @@ func (root *Root) defaultEvent(ev *tcell.EventKey) bool {
 			return true
 		case 'g':
 			root.input = ""
-			root.keyGoLine()
+			root.setMode(goline)
 			return true
 		case 'H':
 			root.input = ""
-			root.keyHeader()
+			root.setMode(header)
 			return true
 		case 'C':
-			root.keyAlternateRows()
+			root.toggleAlternateRows()
 			return true
 		}
 	}
 	return true
 }
-
-func (root *Root) keyWrap() {
-	if root.WrapMode {
-		root.WrapMode = false
-	} else {
-		root.WrapMode = true
-		root.Model.x = 0
-	}
-	root.setWrapHeaderLen()
-}
-
-func (root *Root) keyColumnMode() {
-	if root.ColumnMode {
-		root.ColumnMode = false
-	} else {
-		root.ColumnMode = true
-	}
-}
-
-func (root *Root) keyAlternateRows() {
-	root.Model.ClearCache()
-	if root.AlternateRows {
-		root.AlternateRows = false
-	} else {
-		root.AlternateRows = true
-	}
-}
-
-func (root *Root) keySearch() {
-	root.mode = search
-}
-
-func (root *Root) keyDelimiter() {
-	root.mode = delimiter
-}
-
-func (root *Root) keyPrevious() {
-	root.mode = previous
-}
-
-func (root *Root) keyGoLine() {
-	root.mode = goline
-}
-
-func (root *Root) keyHeader() {
-	root.mode = header
-}
-
-func (root *Root) inputEvent(ev *tcell.EventKey, fn func()) bool {
-	switch ev.Key() {
-	case tcell.KeyEscape:
-		root.mode = normal
-	case tcell.KeyEnter:
-		fn()
-		root.mode = normal
-	case tcell.KeyBackspace, tcell.KeyBackspace2:
-		if len(root.input) > 0 {
-			r := []rune(root.input)
-			root.input = string(r[:len(r)-1])
-		}
-	case tcell.KeyTAB:
-		root.input += "\t"
-	case tcell.KeyCtrlA:
-		root.CaseSensitive = !root.CaseSensitive
-	case tcell.KeyRune:
-		root.input += string(ev.Rune())
-	}
-	return true
-}
-
-// GoLine will move to the specified line.
-func (root *Root) GoLine() {
-	lineNum, err := strconv.Atoi(root.input)
-	if err != nil {
-		return
-	}
-	root.input = ""
-	root.moveNum(lineNum - root.Header)
-}
-
-// SetHeader sets the number of lines in the header.
-func (root *Root) SetHeader() {
-	line, _ := strconv.Atoi(root.input)
-	if line >= 0 && line <= root.Model.vHight-1 {
-		if root.Header != line {
-			root.Header = line
-			root.setWrapHeaderLen()
-			root.Model.ClearCache()
-		}
-	}
-	root.input = ""
-}
-
-// SetDelimiter sets the delimiter string.
-func (root *Root) SetDelimiter() {
-	root.ColumnDelimiter = root.input
-	root.input = ""
-}
-
-// Search is a forward search.
-func (root *Root) Search() {
-	root.postSearch(root.search(root.Model.lineNum))
-}
-
-// NextSearch will re-run the forward search.
-func (root *Root) NextSearch() {
-	root.postSearch(root.search(root.Model.lineNum + root.Header + 1))
-}
-
-// BackSearch reverse search.
-func (root *Root) BackSearch() {
-	root.postSearch(root.backSearch(root.Model.lineNum))
-}
-
-// NextBackSearch will re-run the reverse search.
-func (root *Root) NextBackSearch() {
-	root.postSearch(root.backSearch(root.Model.lineNum + root.Header - 1))
-}
-
-func (root *Root) postSearch(lineNum int, err error) {
-	if err != nil {
-		root.message = err.Error()
-		return
-	}
-	root.moveNum(lineNum - root.Header)
-}
diff --git a/internal/oviewer/oviewer.go b/internal/oviewer/oviewer.go
index 6f1f0b5e..32c2f8d0 100644
--- a/internal/oviewer/oviewer.go
+++ b/internal/oviewer/oviewer.go
@@ -6,7 +6,9 @@ import (
 	"io"
 	"os"
 	"os/signal"
+	"strconv"
 	"syscall"
+	"time"
 
 	"github.com/gdamore/tcell"
 	"golang.org/x/crypto/ssh/terminal"
@@ -57,6 +59,19 @@ const (
 //Debug represents whether to enable the debug output.
 var Debug bool
 
+// New returns the entire structure of oviewer.
+func New() *Root {
+	root := &Root{}
+	root.Model = NewModel()
+
+	root.minStartPos = -10
+	root.HeaderStyle = tcell.StyleDefault.Bold(true)
+	root.ColorAlternate = tcell.ColorGray
+	root.ColumnDelimiter = ""
+	root.columnNum = 0
+	return root
+}
+
 // PrepareView prepares when the screen size is changed.
 func (root *Root) PrepareView() {
 	m := root.Model
@@ -99,6 +114,66 @@ func (root *Root) bottomLineNum(num int) int {
 	return num
 }
 
+func (root *Root) toggleWrap() {
+	if root.WrapMode {
+		root.WrapMode = false
+	} else {
+		root.WrapMode = true
+		root.Model.x = 0
+	}
+	root.setWrapHeaderLen()
+}
+
+func (root *Root) toggleColumnMode() {
+	if root.ColumnMode {
+		root.ColumnMode = false
+	} else {
+		root.ColumnMode = true
+	}
+}
+
+func (root *Root) toggleAlternateRows() {
+	root.Model.ClearCache()
+	if root.AlternateRows {
+		root.AlternateRows = false
+	} else {
+		root.AlternateRows = true
+	}
+}
+
+func (root *Root) setMode(mode Mode) {
+	root.mode = mode
+}
+
+// GoLine will move to the specified line.
+func (root *Root) GoLine() {
+	lineNum, err := strconv.Atoi(root.input)
+	if err != nil {
+		return
+	}
+	root.input = ""
+	root.moveNum(lineNum - root.Header)
+}
+
+// SetHeader sets the number of lines in the header.
+func (root *Root) SetHeader() {
+	line, _ := strconv.Atoi(root.input)
+	if line >= 0 && line <= root.Model.vHight-1 {
+		if root.Header != line {
+			root.Header = line
+			root.setWrapHeaderLen()
+			root.Model.ClearCache()
+		}
+	}
+	root.input = ""
+}
+
+// SetDelimiter sets the delimiter string.
+func (root *Root) SetDelimiter() {
+	root.ColumnDelimiter = root.input
+	root.input = ""
+}
+
 type eventAppQuit struct {
 	tcell.EventTime
 }
@@ -110,6 +185,17 @@ func (root *Root) Quit() {
 	go func() { root.Screen.PostEventWait(ev) }()
 }
 
+type eventTimer struct {
+	tcell.EventTime
+}
+
+// runOnTime runs at time.
+func (root *Root) runOnTime() {
+	ev := &eventTimer{}
+	ev.SetEventNow()
+	go func() { root.Screen.PostEventWait(ev) }()
+}
+
 // Resize is a wrapper function that calls sync.
 func (root *Root) Resize() {
 	root.Sync()
@@ -121,14 +207,30 @@ func (root *Root) Sync() {
 	root.Draw()
 }
 
+func (root *Root) countTimer() {
+	timer := time.NewTicker(time.Millisecond * 500)
+loop:
+	for {
+		<-timer.C
+		root.runOnTime()
+		if root.Model.eof {
+			break loop
+		}
+	}
+	timer.Stop()
+}
+
 // main is manages and executes events in the main routine.
 func (root *Root) main() {
 	screen := root.Screen
+	go root.countTimer()
 loop:
 	for {
 		root.Draw()
 		ev := screen.PollEvent()
 		switch ev := ev.(type) {
+		case *eventTimer:
+			root.statusDraw()
 		case *eventAppQuit:
 			break loop
 		case *tcell.EventKey:
@@ -238,16 +340,3 @@ func (root *Root) WriteOriginal() {
 		fmt.Println(m.GetLine(m.lineNum + i))
 	}
 }
-
-// New returns the entire structure of oviewer.
-func New() *Root {
-	root := &Root{}
-	root.Model = NewModel()
-
-	root.minStartPos = -10
-	root.HeaderStyle = tcell.StyleDefault.Bold(true)
-	root.ColorAlternate = tcell.ColorGray
-	root.ColumnDelimiter = ""
-	root.columnNum = 0
-	return root
-}
diff --git a/internal/oviewer/search.go b/internal/oviewer/search.go
index 680c527d..b4960746 100644
--- a/internal/oviewer/search.go
+++ b/internal/oviewer/search.go
@@ -5,6 +5,34 @@ import (
 	"strings"
 )
 
+// Search is a forward search.
+func (root *Root) Search() {
+	root.postSearch(root.search(root.Model.lineNum))
+}
+
+// NextSearch will re-run the forward search.
+func (root *Root) NextSearch() {
+	root.postSearch(root.search(root.Model.lineNum + root.Header + 1))
+}
+
+// BackSearch reverse search.
+func (root *Root) BackSearch() {
+	root.postSearch(root.backSearch(root.Model.lineNum))
+}
+
+// NextBackSearch will re-run the reverse search.
+func (root *Root) NextBackSearch() {
+	root.postSearch(root.backSearch(root.Model.lineNum + root.Header - 1))
+}
+
+func (root *Root) postSearch(lineNum int, err error) {
+	if err != nil {
+		root.message = err.Error()
+		return
+	}
+	root.moveNum(lineNum - root.Header)
+}
+
 func (root *Root) search(num int) (int, error) {
 	for n := num; n < root.Model.BufEndNum(); n++ {
 		if contains(root.Model.buffer[n], root.input, root.CaseSensitive) {
@@ -35,7 +63,7 @@ type rangePos struct {
 	end   int
 }
 
-func rangePosition(s string, substr string, number int) rangePos {
+func rangePosition(s, substr string, number int) rangePos {
 	r := rangePos{0, 0}
 	i := 0
 
@@ -70,7 +98,7 @@ func rangePosition(s string, substr string, number int) rangePos {
 	return r
 }
 
-func searchPosition(s string, substr string, caseSensitive bool) []rangePos {
+func searchPosition(s, substr string, caseSensitive bool) []rangePos {
 	var pos []rangePos
 	if !caseSensitive {
 		s = strings.ToLower(s)