修改维保标准维保项目参数为One2many对象 并与设备，维保计划关联，修改原生维保计划方法 根据保养和检修生成不同的维保计划单

sf_mrs_connect/models/sync_common.py

@@ -787,6 +787,10 @@ class MachineToolType(models.Model):
         result = json.loads(r['result'])
         if result['status'] == 1:
             for item in result['machine_tool_type_all_list']:
+                if item.get('machine_tool_picture'):
+                    image = base64.b64decode(item['machine_tool_picture'])
+                else:
+                    image = ''
                 brand = self.env['sf.machine_tool.type'].search(
                     [("code", '=', item['code'])])
                 if not brand:
@@ -811,7 +815,7 @@ class MachineToolType(models.Model):
                             [('code', '=', item['control_system_id'])]).id,
                         "active": item['active'],
                         'brand_id': self.env['sf.machine.brand'].search([('code', '=', item['brand_id'])]).id,
-                        'machine_tool_picture': base64.b64decode(item['machine_tool_picture']),
+                        'machine_tool_picture':image,
                         "heightened_way": item['heightened_way'],
                         "workpiece_load": item['workpiece_load'],
                         "lead_screw": item['lead_screw'],