fix bug

dialogs_smart.py

@@ -19,11 +19,13 @@ class SmartInfoDialog:
         self.dialog.title(f"SMART 信息 - {device_path}")
         self.dialog.geometry("700x600")
         self.dialog.transient(parent)
-        self.dialog.grab_set()
         
         self._center_window()
         self._create_widgets()
         
+        # 窗口可见后再设置 grab_set
+        self.dialog.after(100, self.dialog.grab_set)
+        
     def _center_window(self):
         """居中显示"""
         self.dialog.update_idletasks()
@@ -213,12 +215,14 @@ class SmartOverviewDialog:
         self.dialog.title("SMART 健康监控 - 总览")
         self.dialog.geometry("800x500")
         self.dialog.transient(parent)
-        self.dialog.grab_set()
         
         self._center_window()
         self._create_widgets()
         self._refresh_data()
         
+        # 窗口可见后再设置 grab_set
+        self.dialog.after(100, self.dialog.grab_set)
+        
     def _center_window(self):
         """居中显示"""
         self.dialog.update_idletasks()