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+Get `__Secure-1PSID` cookie from https://bard.google.com/
+
+sample `.env`
+```env
+# Please remove the option that is blank
+HOMESERVER="https://matrix.xxxxxx.xxxx" # required
+USER_ID="@lullap:xxxxxxxxxxxxx.xxx" # required
+PASSWORD="xxxxxxxxxxxxxxx" # Optional
+DEVICE_ID="xxxxxxxxxxxxxx" # required
+ROOM_ID="!FYCmBSkCRUXXXXXXXXX:matrix.XXX.XXX" # Optional, if not set, bot will work on the room it is in
+OPENAI_API_KEY="xxxxxxxxxxxxxxxxx" # Optional, for !chat and !gpt command
+ACCESS_TOKEN="xxxxxxxxxxxxxxxxxxxxx" # Optional, use user_id and password is recommended
+BARD_TOKEN="xxxxxxxxxxxxxxxxxxxx", # Optional, for !bard command
+```
+
+sample `config.json`
+```json
+{
+  "homeserver": "https://matrix.qqs.tw",
+  "user_id": "@lullap:xxxxx.org",
+  "password": "xxxxxxxxxxxxxxxxxx",
+  "device_id": "ECYEOKVPLG",
+  "room_id": "!FYCmBSkCRUNvZDBaDQ:matrix.qqs.tw",
+  "api_key": "xxxxxxxxxxxxxxxxxxxxxxxx",
+  "access_token": "xxxxxxx",
+  "bard_token": "xxxxxxx"
+}
+```
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