优雅退出

src/gui.py

@@ -2,6 +2,7 @@ import sys
 import os
 import time
 import traceback
+import subprocess
 import pandas as pd
 from PyQt6.QtWidgets import (QApplication, QMainWindow, QWidget, QVBoxLayout, 
                              QHBoxLayout, QLineEdit, QPushButton, QTextEdit, 
@@ -76,6 +77,12 @@ class ScraperThread(QThread):
             err = traceback.format_exc()
             self.log.emit(f"<font color='red'>[错误] {str(e)}</font>")
             self.finished.emit(err, scraper, duration)
+        finally:
+            if scraper:
+                try:
+                    scraper.quit()
+                except Exception:
+                    pass
 
 class MainWindow(QMainWindow):
     def __init__(self):
@@ -216,6 +223,11 @@ class MainWindow(QMainWindow):
         self.thread.start()
 
     def on_finished(self, err, scraper, duration):
+        if scraper:
+            try:
+                scraper.quit()
+            except Exception:
+                pass
         self.search_btn.setEnabled(True)
         self.count_spin.setEnabled(True)
         if not err:
@@ -227,6 +239,29 @@ class MainWindow(QMainWindow):
                 except: pass
         else: self.status_label.setText("异常终止")
 
+    def _kill_browser_processes(self):
+        """结束可能残留的 Chrome/ChromeDriver，避免占用 dist 目录导致无法删除或打包"""
+        if os.name != "nt":
+            return
+        for proc in ("chrome.exe", "chromedriver.exe"):
+            try:
+                subprocess.run(
+                    ["taskkill", "/F", "/IM", proc, "/T"],
+                    capture_output=True,
+                    timeout=5,
+                )
+            except Exception:
+                pass
+
+    def closeEvent(self, event):
+        if hasattr(self, "thread") and self.thread.isRunning():
+            self.thread.requestInterruption()
+            if not self.thread.wait(5000):
+                self.thread.terminate()
+                self.thread.wait(2000)
+            self._kill_browser_processes()
+        event.accept()
+
 if __name__ == "__main__":
     app = QApplication(sys.argv)
     win = MainWindow()