diff --git a/config/config.yaml b/config/config.yaml
index bd258cea6..f533ce7f2 100644
--- a/config/config.yaml
+++ b/config/config.yaml
@@ -2,7 +2,9 @@
 # The configuration of key.yaml has a higher priority and will not enter git
 
 #### if OpenAI
-## You can get OPENAI_API_BASE url from https://github.com/beidongjiedeguang/openai-forward
+## The official OPENAI_API_BASE is https://api.openai.com/v1
+## If the official OPENAI_API_BASE is not available, we recommend using the [openai-forward](https://github.com/beidongjiedeguang/openai-forward).
+## Or, you can configure OPENAI_PROXY to access official OPENAI_API_BASE.
 OPENAI_API_BASE: "https://api.openai-forward.com/v1"
 #OPENAI_PROXY: "http://127.0.0.1:8118"
 #OPENAI_API_KEY: "YOUR_API_KEY"