diff --git a/.env.example b/.env.example
index 9922bbf..292eb93 100644
--- a/.env.example
+++ b/.env.example
@@ -1,6 +1,6 @@
 HOMESERVER="https://matrix-client.matrix.org" # required
 USER_ID="@lullap:xxxxxxxxxxxxx.xxx" # required
-PASSWORD="xxxxxxxxxxxxxxx" # Optional if you use access token
+PASSWORD="xxxxxxxxxxxxxxx" # required
 DEVICE_ID="MatrixChatGPTBot" # 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
+OPENAI_API_KEY="xxxxxxxxxxxxxxxxx" # Optional
diff --git a/README.md b/README.md
index 0350e4c..355a1e4 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 ## Introduction
 
-This is a simple Matrix bot that support using OpenAI API, Langchain to generate responses from user inputs. The bot responds to these commands: `!gpt`, `!chat` and `!pic` and `!new` and `!lc` and `!help` depending on the first word of the prompt.
+This is a simple Matrix bot that support using OpenAI API, Langchain to generate responses from user inputs. The bot responds to these commands: `!gpt`, `!chat`, `!pic`, `!new`, `!lc` and `!help` depending on the first word of the prompt.
 ![ChatGPT](https://i.imgur.com/kK4rnPf.jpeg)
 
 ## Feature
@@ -23,7 +23,7 @@ Create two empty file, for persist database only<br>
 touch sync_db manage_db
 sudo docker compose up -d
 ```
-
+manage_db(can be ignored) is for langchain agent, sync_db is for matrix sync database<br>
 <hr>
 Normal Method:<br>
 system dependece: <code>libolm-dev</code>
diff --git a/compose.yaml b/compose.yaml
index e3c67b8..76b61e2 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -12,8 +12,9 @@ services:
       # use env file or config.json
       # - ./config.json:/app/config.json
       # use touch to create empty db file, for persist database only
+      # manage_db(can be ignored) is for langchain agent, sync_db is for matrix sync database
       - ./sync_db:/app/sync_db
-      - ./manage_db:/app/manage_db
+      # - ./manage_db:/app/manage_db
       # import_keys path
       # - ./element-keys.txt:/app/element-keys.txt
     networks:
diff --git a/config.json.sample b/config.json.example
similarity index 100%
rename from config.json.sample
rename to config.json.example
diff --git a/full-config.json.sample b/full-config.json.example
similarity index 100%
rename from full-config.json.sample
rename to full-config.json.example
diff --git a/src/bot.py b/src/bot.py
index cbdb73c..e62c611 100644
--- a/src/bot.py
+++ b/src/bot.py
@@ -117,7 +117,8 @@ class Bot:
         self.base_path = Path(os.path.dirname(__file__)).parent
 
         if lc_admin is not None:
-            lc_admin = list(filter(None, lc_admin.split(",")))
+            if isinstance(lc_admin, str):
+                lc_admin = list(filter(None, lc_admin.split(",")))
         self.lc_admin = lc_admin
         self.lc_cache = {}
         if self.lc_admin is not None: