diff --git a/.gitignore b/.gitignore
index 36b13f1..1fc4307 100644
--- a/.gitignore
+++ b/.gitignore
@@ -174,3 +174,5 @@ cython_debug/
 # PyPI configuration file
 .pypirc
 
+
+category_names.json
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..617d76a
--- /dev/null
+++ b/main.py
@@ -0,0 +1,156 @@
+import sys
+import os
+import json
+from pathlib import Path
+from PySide6.QtWidgets import (
+    QApplication, QMainWindow, QWidget, QVBoxLayout, QLabel,
+    QPushButton, QFileDialog, QLineEdit, QListWidget, QMessageBox, QHBoxLayout, QInputDialog
+)
+from PySide6.QtCore import Qt, QMimeData
+from PySide6.QtGui import QDragEnterEvent, QDropEvent
+
+CONFIG_FILE = "category_names.json"
+
+class FileRenamer(QMainWindow):
+    def __init__(self):
+        super().__init__()
+        self.setWindowTitle("批量文件重命名工具")
+        self.setMinimumSize(600, 400)
+        self.setAcceptDrops(True)
+
+        self.files = []
+        self.initial_path = ""
+        self.prefix = ""
+        self.categories = self.load_categories()
+
+        central_widget = QWidget()
+        self.setCentralWidget(central_widget)
+
+        layout = QVBoxLayout(central_widget)
+
+        self.info_label = QLabel("拖拽文件到此区域")
+        self.info_label.setAlignment(Qt.AlignCenter)
+        self.info_label.setStyleSheet("border: 2px dashed #aaa; padding: 20px; font-size: 16px;")
+        layout.addWidget(self.info_label)
+
+        path_layout = QHBoxLayout()
+        self.path_btn = QPushButton("设置初始路径")
+        self.path_btn.clicked.connect(self.set_initial_path)
+        self.path_label = QLabel("未设置")
+        path_layout.addWidget(self.path_btn)
+        path_layout.addWidget(self.path_label)
+        layout.addLayout(path_layout)
+
+        prefix_layout = QHBoxLayout()
+        self.prefix_btn = QPushButton("设置前缀")
+        self.prefix_btn.clicked.connect(self.set_prefix)
+        self.prefix_label = QLabel("当前前缀: (无)")
+        prefix_layout.addWidget(self.prefix_btn)
+        prefix_layout.addWidget(self.prefix_label)
+        layout.addLayout(prefix_layout)
+
+        self.name_input = QLineEdit()
+        self.name_input.setPlaceholderText("输入新文件名（不含前缀和序号）")
+        layout.addWidget(self.name_input)
+
+        self.suggestion_list = QListWidget()
+        self.suggestion_list.itemClicked.connect(self.select_suggestion)
+        layout.addWidget(self.suggestion_list)
+
+        btn_layout = QHBoxLayout()
+        self.rename_btn = QPushButton("重命名")
+        self.rename_btn.clicked.connect(self.rename_files)
+        btn_layout.addWidget(self.rename_btn)
+        layout.addLayout(btn_layout)
+
+    def dragEnterEvent(self, event: QDragEnterEvent):
+        if event.mimeData().hasUrls():
+            event.acceptProposedAction()
+
+    def dropEvent(self, event: QDropEvent):
+        for url in event.mimeData().urls():
+            file_path = url.toLocalFile()
+            if os.path.isfile(file_path):
+                self.files.append(file_path)
+        self.info_label.setText(f"已添加 {len(self.files)} 个文件")
+
+        if self.initial_path:
+            categories_found = set()
+            for f in self.files:
+                rel_path = os.path.relpath(f, self.initial_path)
+                category = os.path.dirname(rel_path).replace("\\", "/")
+                if category:
+                    categories_found.add(category)
+            if categories_found:
+                self.show_suggestions(categories_found)
+
+    def set_initial_path(self):
+        folder = QFileDialog.getExistingDirectory(self, "选择初始路径")
+        if folder:
+            self.initial_path = folder
+            self.path_label.setText(folder)
+
+    def set_prefix(self):
+        prefix, ok = QInputDialog.getText(self, "设置前缀", "输入前缀:", text=self.prefix if self.prefix else "")
+        if ok:
+            self.prefix = prefix
+            self.prefix_label.setText(f"当前前缀: {self.prefix if self.prefix else '(无)'}")
+
+    def rename_files(self):
+        if not self.files:
+            QMessageBox.warning(self, "警告", "请先拖拽文件")
+            return
+
+        new_name = self.name_input.text().strip()
+        if not new_name:
+            QMessageBox.warning(self, "警告", "请输入新文件名")
+            return
+
+        for idx, file_path in enumerate(self.files, start=1):
+            folder = os.path.dirname(file_path)
+            ext = os.path.splitext(file_path)[1]
+            new_filename = f"{self.prefix}{new_name}{idx:02}{ext}"
+            new_path = os.path.join(folder, new_filename)
+            os.rename(file_path, new_path)
+
+        if self.initial_path:
+            for f in self.files:
+                rel_path = os.path.relpath(f, self.initial_path)
+                category = os.path.dirname(rel_path).replace("\\", "/")
+                if category:
+                    self.categories.setdefault(category, set()).add(new_name)
+
+            self.save_categories()
+
+        QMessageBox.information(self, "完成", "重命名完成")
+        self.files.clear()
+        self.info_label.setText("拖拽文件到此区域")
+
+    def load_categories(self):
+        if os.path.exists(CONFIG_FILE):
+            with open(CONFIG_FILE, "r", encoding="utf-8") as f:
+                data = json.load(f)
+                return {k: set(v) for k, v in data.items()}
+        return {}
+
+    def save_categories(self):
+        data = {k: list(v) for k, v in self.categories.items()}
+        with open(CONFIG_FILE, "w", encoding="utf-8") as f:
+            json.dump(data, f, ensure_ascii=False, indent=2)
+
+    def show_suggestions(self, categories_found):
+        self.suggestion_list.clear()
+        suggestions = set()
+        for cat in categories_found:
+            if cat in self.categories:
+                suggestions.update(self.categories[cat])
+        self.suggestion_list.addItems(sorted(suggestions))
+
+    def select_suggestion(self, item):
+        self.name_input.setText(item.text())
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+    window = FileRenamer()
+    window.show()
+    sys.exit(app.exec())