diff --git a/myems-api/reports/ticket.py b/myems-api/reports/ticket.py
index 9b8d6c07..ef8cc505 100644
--- a/myems-api/reports/ticket.py
+++ b/myems-api/reports/ticket.py
@@ -813,6 +813,19 @@ class TicketAgentItem:
     def on_patch(req, resp, id_):
         if not id_.isdigit() or int(id_) <= 0:
             raise falcon.HTTPError(falcon.HTTP_400, '400 Bad Request')
+        try:
+            raw_json = req.stream.read().decode('utf-8')
+        except Exception as ex:
+            raise falcon.HTTPError(falcon.HTTP_400, title='API.ERROR', description=ex)
+
+        new_values = json.loads(raw_json)
+
+        for _name in new_values.keys():
+            if len(str(new_values[_name])) == 0:
+                raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
+                                       description='API.INVALID_FIELD' + _name)
+
+        payload = new_values
 
         ticket_id = int(id_)
         session = login()
@@ -820,11 +833,12 @@ class TicketAgentItem:
         headers = {
             'Content-Type': 'application/json',
         }
-        get_resp = session.patch(url, headers=headers)
+        get_resp = session.patch(url, headers=headers, data=json.dumps(payload))
         content = json.loads(get_resp.text)
         print("TicketAgentItem content", content)
         resp.text = json.dumps(content)
 
+
 class ContactItem:
     @staticmethod
     def __init__():