diff --git a/internal/ui/keypad.go b/internal/ui/keypad.go
new file mode 100644
index 0000000..a1644b9
--- /dev/null
+++ b/internal/ui/keypad.go
@@ -0,0 +1,58 @@
+package ui
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/widget"
+)
+
+func keyButton(label string, entry *widget.Entry) *widget.Button {
+	return widget.NewButton(label, func() {
+		entry.Append(label)
+	})
+}
+
+func entButton(entry *widget.Entry) *widget.Button {
+	return widget.NewButton("ENT", func() {
+		entry.Append("\n")
+	})
+}
+
+func clearButton(label string, entry *widget.Entry) *widget.Button {
+	return widget.NewButton(label, func() {
+		entry.SetText("")
+	})
+}
+
+func newIPKeypad(entry *widget.Entry) fyne.CanvasObject {
+	presets := container.NewHBox(
+		keyButton("192.168.", entry),
+		keyButton("169.254.", entry),
+		keyButton("10.", entry),
+		keyButton("100.", entry),
+	)
+	numpad := container.NewGridWithColumns(3,
+		keyButton("1", entry), keyButton("2", entry), keyButton("3", entry),
+		keyButton("4", entry), keyButton("5", entry), keyButton("6", entry),
+		keyButton("7", entry), keyButton("8", entry), keyButton("9", entry),
+		entButton(entry), keyButton("0", entry), keyButton(".", entry),
+		keyButton("/", entry), keyButton("-", entry), clearButton("清空IP", entry),
+	)
+	return container.NewVBox(presets, numpad)
+}
+
+func newPortKeypad(entry *widget.Entry) fyne.CanvasObject {
+	presets := container.NewGridWithColumns(3,
+		keyButton("1-65535", entry), keyButton("80;443", entry), keyButton("21", entry),
+		keyButton("22", entry), keyButton("23", entry), keyButton("3389", entry),
+		keyButton("445", entry), keyButton("25565", entry), keyButton("25;587", entry),
+	)
+	numpad := container.NewGridWithColumns(3,
+		keyButton("1", entry), keyButton("2", entry), keyButton("3", entry),
+		keyButton("4", entry), keyButton("5", entry), keyButton("6", entry),
+		keyButton("7", entry), keyButton("8", entry), keyButton("9", entry),
+		keyButton("0", entry), keyButton(";", entry), keyButton("-", entry),
+		entButton(entry), clearButton("清空端口", entry),
+	)
+	return container.NewVBox(presets, numpad)
+}
diff --git a/internal/ui/scanform.go b/internal/ui/scanform.go
new file mode 100644
index 0000000..602e462
--- /dev/null
+++ b/internal/ui/scanform.go
@@ -0,0 +1,175 @@
+package ui
+
+import (
+	"fmt"
+	"net/url"
+	"strconv"
+
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/layout"
+	"fyne.io/fyne/v2/widget"
+)
+
+const appVersion = "V1.5.1"
+
+const (
+	ipPlaceholder   = "例子：\n127.0.0.1 - 单IP\n192.168.0.0/24 - 掩码IP段\n0.0.0.0-255.255.255.255 - IP段\ndomain.com - 单域名"
+	portPlaceholder = "例子：\n22 - 单端口\n80;443 - 多个不连续端口\n3000-65535 - 连续的端口范围"
+)
+
+type scanForm struct {
+	app fyne.App
+
+	ipList   *widget.Entry
+	portList *widget.Entry
+	timeout  *widget.Entry
+	threads  *widget.Entry
+	output   *widget.Entry
+	progress *widget.ProgressBar
+
+	scanBtn  *widget.Button
+	pingBtn  *widget.Button
+	scanning bool
+}
+
+func newScanForm(app fyne.App) *scanForm {
+	f := &scanForm{app: app}
+
+	f.ipList = widget.NewMultiLineEntry()
+	f.ipList.SetPlaceHolder(ipPlaceholder)
+	f.ipList.SetMinRowsVisible(4)
+
+	f.portList = widget.NewMultiLineEntry()
+	f.portList.SetPlaceHolder(portPlaceholder)
+	f.portList.SetMinRowsVisible(4)
+
+	f.timeout = newIntEntry(100, 1, 10000)
+	f.threads = newIntEntry(64, 1, 1024)
+
+	f.output = widget.NewMultiLineEntry()
+	f.output.SetMinRowsVisible(6)
+
+	f.progress = widget.NewProgressBar()
+
+	f.scanBtn = widget.NewButton("开始扫描", f.toggleScan)
+	f.pingBtn = widget.NewButton("仅Ping", f.togglePing)
+
+	return f
+}
+
+func (f *scanForm) build() fyne.CanvasObject {
+	ipSection := container.NewVBox(
+		widget.NewLabel("IP"),
+		f.ipList,
+		newIPKeypad(f.ipList),
+	)
+	portSection := container.NewVBox(
+		widget.NewLabel("端口"),
+		f.portList,
+		newPortKeypad(f.portList),
+	)
+
+	topRow := container.New(layout.NewGridLayoutWithColumns(2), ipSection, portSection)
+	controlRow := f.buildControlRow()
+	topArea := container.NewVBox(topRow, controlRow)
+
+	footer := container.NewHBox(
+		widget.NewLabel(appVersion),
+		layout.NewSpacer(),
+		widget.NewButton("Blog", func() { f.openURL("https://wnfed.com/") }),
+		widget.NewButton("GitLab", func() { f.openURL("https://git.lmve.net/kevin/tcp_ip_scan") }),
+		widget.NewButton("GitHub", func() { f.openURL("https://github.com/wuwenfengmi1998/tcp_ip_scan") }),
+	)
+
+	return container.NewBorder(topArea, footer, nil, nil, f.output)
+}
+
+func (f *scanForm) buildControlRow() fyne.CanvasObject {
+	left := container.NewHBox(
+		widget.NewButton("清空输出", func() { f.output.SetText("") }),
+		widget.NewButton("保存输出", f.saveOutput),
+		container.NewHBox(widget.NewLabel("超时ms"), f.timeout),
+		container.NewHBox(widget.NewLabel("线程"), f.threads),
+		widget.NewButton("清空IP", func() { f.ipList.SetText("") }),
+		f.pingBtn,
+	)
+	right := container.NewHBox(
+		widget.NewButton("清空端口", func() { f.portList.SetText("") }),
+		f.scanBtn,
+	)
+	return container.NewBorder(nil, nil, left, right, f.progress)
+}
+
+func (f *scanForm) toggleScan() {
+	if !f.scanning {
+		f.scanning = true
+		f.scanBtn.SetText("停止扫描")
+		f.pingBtn.Disable()
+		f.setInputsEnabled(false)
+		f.progress.SetValue(0)
+		f.output.Append("开始扫描... (TODO: 接入扫描逻辑)\n")
+	} else {
+		f.scanning = false
+		f.scanBtn.SetText("开始扫描")
+		f.pingBtn.Enable()
+		f.setInputsEnabled(true)
+		f.output.Append("已停止扫描\n")
+	}
+}
+
+func (f *scanForm) togglePing() {
+	if !f.scanning {
+		f.scanning = true
+		f.pingBtn.SetText("停止Ping")
+		f.scanBtn.Disable()
+		f.setInputsEnabled(false)
+		f.progress.SetValue(0)
+		f.output.Append("开始Ping... (TODO: 接入扫描逻辑)\n")
+	} else {
+		f.scanning = false
+		f.pingBtn.SetText("仅Ping")
+		f.scanBtn.Enable()
+		f.setInputsEnabled(true)
+		f.output.Append("已停止Ping\n")
+	}
+}
+
+func (f *scanForm) setInputsEnabled(enabled bool) {
+	if enabled {
+		f.ipList.Enable()
+		f.portList.Enable()
+		f.timeout.Enable()
+		f.threads.Enable()
+	} else {
+		f.ipList.Disable()
+		f.portList.Disable()
+		f.timeout.Disable()
+		f.threads.Disable()
+	}
+}
+
+func (f *scanForm) saveOutput() {
+	f.output.Append("(TODO: 保存输出到文件)\n")
+}
+
+func (f *scanForm) openURL(urlStr string) {
+	u, err := url.Parse(urlStr)
+	if err != nil {
+		return
+	}
+	_ = f.app.OpenURL(u)
+}
+
+func newIntEntry(val, min, max int) *widget.Entry {
+	e := widget.NewEntry()
+	e.SetText(strconv.Itoa(val))
+	e.Validator = func(s string) error {
+		n, err := strconv.Atoi(s)
+		if err != nil || n < min || n > max {
+			return fmt.Errorf("需为 %d-%d", min, max)
+		}
+		return nil
+	}
+	return e
+}
diff --git a/internal/ui/window.go b/internal/ui/window.go
index d93995b..af7fdbc 100644
--- a/internal/ui/window.go
+++ b/internal/ui/window.go
@@ -3,24 +3,19 @@ package ui
 import (
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/app"
-	"fyne.io/fyne/v2/container"
-	"fyne.io/fyne/v2/widget"
 )
 
 const (
-	appTitle  = "IP Scanner"
-	appWidth  = 800
-	appHeight = 600
+	appTitle  = "TCP端口扫描工具"
+	appWidth  = 850
+	appHeight = 500
 )
 
 func Run() {
 	a := app.New()
+	f := newScanForm(a)
 	w := a.NewWindow(appTitle)
-
-	w.SetContent(container.NewVBox(
-		widget.NewLabel("Hello Fyne!"),
-	))
-
+	w.SetContent(f.build())
 	w.Resize(fyne.NewSize(appWidth, appHeight))
 	w.ShowAndRun()
 }