home0923a

user.py

@@ -482,24 +482,33 @@ def save_parameter_config():
     param1 = data.get('param1')
     param2 = data.get('param2')
     param3 = data.get('param3')
-    param4 = data.get('param4')
     param5 = data.get('param5')
     
+    # 获取当前param4的值（保持不变）
+    current_param4 = None
     try:
         conn = get_db_connection()
         cursor = conn.cursor()
         
+        # 获取最新的参数配置中的param4值
+        cursor.execute("SELECT param4 FROM parameter_config ORDER BY update_time DESC LIMIT 1")
+        latest_config = cursor.fetchone()
+        if latest_config:
+            current_param4 = latest_config[0]
+            
         # 插入新的参数配置记录（不更新旧记录，而是插入新记录）
+        # 注意：param4使用当前数据库中已有的值，确保其保持不变
         cursor.execute(
             "INSERT INTO parameter_config (param1, param2, param3, param4, param5, update_time) VALUES (?, ?, ?, ?, ?, ?)",
-            (param1, param2, param3, param4, param5, datetime.now().strftime('%Y-%m-%d %H:%M:%S'))
+            (param1, param2, param3, current_param4, param5, datetime.now().strftime('%Y-%m-%d %H:%M:%S'))
         )
         conn.commit()
         close_db_connection(conn)
         
         return jsonify({'success': True, 'message': '参数配置保存成功'})
     except Exception as e:
-        close_db_connection(conn)
+        if 'conn' in locals() and conn:
+            close_db_connection(conn)
         return jsonify({'success': False, 'error': str(e)})
 
 # 参数配置页面路由