diff --git a/Note/FormatterView.swift b/Note/FormatterView.swift
new file mode 100644
index 0000000..4548921
--- /dev/null
+++ b/Note/FormatterView.swift
@@ -0,0 +1,134 @@
+//
+//  FormatterView.swift
+//  Note
+//
+//  Created by fish on 2026/7/12.
+//
+
+import SwiftUI
+
+struct FormatterView: View {
+    @State private var inputText: String = ""
+    @State private var outputText: String = ""
+    @State private var showCopied: Bool = false
+
+    var body: some View {
+        NavigationStack {
+            VStack(spacing: 16) {
+                TextEditor(text: $inputText)
+                    .frame(minHeight: 120)
+                    .padding(8)
+                    .background(Color(.systemGray6))
+                    .cornerRadius(8)
+                    .overlay(
+                        RoundedRectangle(cornerRadius: 8)
+                            .stroke(Color(.systemGray4), lineWidth: 1)
+                    )
+
+                Button(action: formatText) {
+                    Label("格式化", systemImage: "wand.and.stars")
+                        .font(.headline)
+                        .frame(maxWidth: .infinity)
+                        .padding()
+                        .background(Color.accentColor)
+                        .foregroundStyle(.white)
+                        .cornerRadius(10)
+                }
+
+                if !outputText.isEmpty {
+                    VStack(alignment: .leading, spacing: 8) {
+                        HStack {
+                            Text("格式化结果")
+                                .font(.subheadline)
+                                .foregroundStyle(.secondary)
+                            Spacer()
+                            Button(action: copyOutput) {
+                                Image(systemName: "doc.on.doc")
+                            }
+                        }
+
+                        TextEditor(text: .constant(outputText))
+                            .frame(minHeight: 120)
+                            .padding(8)
+                            .background(Color(.systemGray6))
+                            .cornerRadius(8)
+                            .overlay(
+                                RoundedRectangle(cornerRadius: 8)
+                                    .stroke(Color(.systemGray4), lineWidth: 1)
+                            )
+                    }
+                }
+
+                Spacer()
+            }
+            .padding()
+            .navigationTitle("文案格式化")
+            .overlay {
+                if showCopied {
+                    VStack {
+                        Spacer()
+                        Text("已复制")
+                            .font(.subheadline)
+                            .padding(.horizontal, 16)
+                            .padding(.vertical, 8)
+                            .background(Color.black.opacity(0.75))
+                            .foregroundStyle(.white)
+                            .cornerRadius(20)
+                            .padding(.bottom, 32)
+                    }
+                    .transition(.opacity)
+                }
+            }
+        }
+    }
+
+    private func formatText() {
+        var content = inputText
+
+        // 去 #
+        content = content.replacingOccurrences(of: "# ", with: "")
+        content = content.replacingOccurrences(of: "#", with: "")
+        // 将 ; 转为句号
+        content = content.replacingOccurrences(of: ";", with: "。")
+        // 将 ； 转为句号
+        content = content.replacingOccurrences(of: "；", with: "。")
+        // 将 . 转为句号
+        content = content.replacingOccurrences(of: ".", with: "。")
+        // 将 （ 转为 (
+        content = content.replacingOccurrences(of: "（", with: "(")
+        // 将 ） 转为 )
+        content = content.replacingOccurrences(of: "）", with: ")")
+        // 将 ? 转为 ？
+        content = content.replacingOccurrences(of: "?", with: "？")
+        // 将 , 转为 ，
+        content = content.replacingOccurrences(of: ",", with: "，")
+        // 将 : 转为 ：
+        content = content.replacingOccurrences(of: ":", with: "：")
+        // 将 日星期 转为 日 星期
+        content = content.replacingOccurrences(of: "日星期", with: "日 星期")
+        // 在第一行插入 #
+        content = "# " + content
+        // 标题设置
+        content = content.replacingOccurrences(of: "一、生活方面", with: "## 一、生活方面")
+        content = content.replacingOccurrences(of: "二、交易方面", with: "## 二、交易方面")
+        content = content.replacingOccurrences(of: "三、工作方面", with: "## 三、工作方面")
+
+        outputText = content
+    }
+
+    private func copyOutput() {
+        UIPasteboard.general.string = outputText
+        withAnimation {
+            showCopied = true
+        }
+        DispatchQueue.main.asyncAfter(deadline: .now() + 1.5) {
+            withAnimation {
+                showCopied = false
+            }
+        }
+    }
+}
+
+#Preview {
+    FormatterView()
+}
diff --git a/Note/NoteApp.swift b/Note/NoteApp.swift
index 6073b42..167e877 100644
--- a/Note/NoteApp.swift
+++ b/Note/NoteApp.swift
@@ -11,7 +11,7 @@ import SwiftUI
 struct NoteApp: App {
     var body: some Scene {
         WindowGroup {
-            ContentView()
+            FormatterView()
         }
     }
 }