diff --git a/Home.md b/Home.md
index bbe22ce..b4e0242 100644
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 If you have any questions, feel free to open an issue or join our matrix room: <br>
-https://matrix.to/#/#public:matrix.qqs.tw
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+https://matrix.to/#/#public:matrix.qqs.tw
+
+Glossary<br>
+*: required
+|  parameter |   |
+|---|---|
+|  server_url* |  your mattermost instance domain name |
+| port | server port |
+|  access_token |  bot account access_token |
+|  login_id |  account email address |
+|  password |  account password |
+|  username* |  account username  |
+|  openai_api_key | for !gpt and !chat command  |
+|  openai_api_endpoint |  custom api endpoint |
+| bing_api_endpoint | for !chat command |
+| bard_token | for !bard command |
+| bing_auth_cookie | for !pic command |
+
+Use either `access_token` or `login_id+password` to login
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