rasa story visualize WARNING

Rasa version: Rasa 1.0.2 Python version: Python 3.6.8 Operating system (windows, osx, …): Windows 10 Pro 1903 Issue: I run this code to visualize my story, but I get a WARNING, json parse error, but my story has the quotes.

rasa visualize --stories data/stories.md

this is my story file:

## Generated Story -7088822440678882125
* chitchat
    - action_get_user_info
    - slot{"family_members": [{"主人": 614}]}
    - slot{"account_name": "上海"}
    - action_identification_ask
* whoami{"person": "主人"}
    - action_check_identity
    - action_slot_reset

and I get this WARNING message:

2019-05-30 10:33:12 INFO     rasa.core.visualize  - Starting to visualize stories...
Processed Story Blocks: 100%|████████████████████████████████████████████████████████████████████████████████████████████████| 1/1 [00:00<00:00, 1001.27it/s, # trackers=1] 
2019-05-30 10:33:12 WARNING  rasa.core.interpreter  - Invalid to parse arguments in line '/whoami{person: 主人}'. Failed to decode parametersas a json object. Make sure the intentfollowed by a proper json object. Error: Expecting property name enclosed in double quotes: line 1 column 2 (char 1)
2019-05-30 10:33:12 INFO     rasa.core.visualize  - Finished graph creation. Saved into file://D:\OneDrive\Work\rasabot\graph.html

Is this a bug?

(By the way, the chinese char shows ��Ҫ���� in graph, I have submitted in #3564, maybe this is related.)

[XiaofeiQian]

@erohmensing I have tested this in rasa 1.0.3, everything is going right. THANKS!

[XiaofeiQian]

I’m sorry I didn’t make it clear. I found it works fine on rasa visualize but not good on rasa interactive visualisation. chinese chars shows ����Ѫѹ���� on rasa interactive Visualisation at http://localhost:5006/visualization.html. , but in cmd it shows chinese chars right. and I test it on rasa version 1.5.1 and 1.4.6. @erohmensing Thanks.