diff --git a/syd_process_maker/models/case.py b/syd_process_maker/models/case.py
index 4549a1d..2c97212 100644
--- a/syd_process_maker/models/case.py
+++ b/syd_process_maker/models/case.py
@@ -32,23 +32,25 @@ def _compute_is_assigned_to(self):
         for record in self:
             record.is_assigned_to = bool(record.pm_assigned_to.id == self.env.uid)
 
+    @api.model
     def create(self, vals):
         case =  super(Case, self).create(vals)
-        _vals = {
-            "res_name": "",
-            "date_deadline": case.date_deadline,
-            "activity_type_id": self.env['ir.model.data']._xmlid_to_res_id('mail.mail_activity_data_todo', raise_if_not_found=False),
-            "user_id": case.pm_assigned_to.id,
-            "summary": "",
-            "res_id": int(case.related_id),
-            "res_model_id": self.env['ir.model'].search([('model', '=', case.related_model)]).id
-        }
-        if case.activity_id and "-" in case.activity_id.name:
-            _vals.update({"res_name": case.activity_id.name.split('-')[1]})
-        
-        activity = self.env['mail.activity'].create(_vals)
-        print(activity)
-        case.write({'odoo_activity_id': activity.id})
+        if case.related_model:
+            _vals = {
+                "res_name": "",
+                "date_deadline": case.date_deadline,
+                "activity_type_id": self.env['ir.model.data']._xmlid_to_res_id('mail.mail_activity_data_todo', raise_if_not_found=False),
+                "user_id": case.pm_assigned_to.id,
+                "summary": "",
+                "res_id": int(case.related_id),
+                "res_model_id": self.env['ir.model'].search([('model', '=', case.related_model)]).id
+            }
+            if case.activity_id and "-" in case.activity_id.name:
+                _vals.update({"res_name": case.activity_id.name.split('-')[1]})
+            
+            activity = self.env['mail.activity'].create(_vals)
+            print(activity)
+            case.write({'odoo_activity_id': activity.id})
         return case
 
 
diff --git a/syd_process_maker/models/process.py b/syd_process_maker/models/process.py
index 8daa1d1..466390b 100644
--- a/syd_process_maker/models/process.py
+++ b/syd_process_maker/models/process.py
@@ -262,7 +262,7 @@ def start_process(self, process_id,related_model=False,related_id=False):
         par = {'process_id': int(pm_process_id), 'event': 'node_1'}
         res = self._call(f'process_events/{pm_process_id}', query_param=par, method='POST')
         process_id.name = res['name']
-        # FIXME? 为什么要存储
+        # Synchronous the process data when create a request
         process_id.pm_process_id = res.get('process_id')
         _process_dict = res.get('process')
         if _process_dict:
@@ -512,13 +512,10 @@ def _parse_json(self):
 
     def _create_dynamic_form_from_parsed_files(self):
         """
-        TODO 解析下载的process json文件，写到Dynamic Form
+        Write the json data to the 'Dynamic Form'
         """
-        # 2.创建Dynamic Form记录来存放Screen，Name->Screen Name,添加一个字段Element Name
-        # Name->Screen Name,ID->Screen ID
         if self.export_data and isinstance(self.export_data, str):
             _data_dict = json.loads(self.export_data)
-            _logger.warning(_data_dict)
             _screen_list = _data_dict.get('screens')
             for _screen in _screen_list:
                 _screen_record = self.env['syd_bpm.dynamic_form'].search([('pm_screen_id','=',_screen.get('id')),('name','=',_screen.get('config')[0].get('name'))])