update docs

Author: zmh-program

README.md

@@ -44,11 +44,15 @@ Use in repository introduction!
 ```
 [![Web ChatGPT QQ Bot's Contributors](https://stats.deeptrain.net/contributor/lss233/chatgpt-mirai-qq-bot)](https://github.com/zmh-program/code-statistic)
 
-custom columns (min columns is *4*, default is *8*, max is *6*):
-```markdown
-[![Web ChatGPT QQ Bot's Contributors](https://stats.deeptrain.net/contributor/lss233/chatgpt-mirai-qq-bot?column=12)](https://github.com/zmh-program/code-statistic)
-```
-[![Web ChatGPT QQ Bot's Contributors](https://stats.deeptrain.net/contributor/lss233/chatgpt-mirai-qq-bot?column=12)](https://github.com/zmh-program/code-statistic)
+> **Note**
+> The param `column` is the number of contribution values to be displayed in each row. The minimum is **4** and the default is **6**.
+> ```markdown
+> [![Web ChatGPT QQ Bot's Contributors](https://stats.deeptrain.net/contributor/lss233/chatgpt-mirai-qq-bot?column=12)](https://github.com/zmh-program/code-statistic)
+> ```
+> [![Web ChatGPT QQ Bot's Contributors](https://stats.deeptrain.net/contributor/lss233/chatgpt-mirai-qq-bot?column=12)](https://github.com/zmh-program/code-statistic)
+
+> **Warning**
+> by default, we can't get the data of private repo, please use your own token to deploy.
 
 ## 🥝 Dark Theme
 Very easy, just add `?theme=dark` after it in any kind of card!