diff --git a/.gitignore b/.gitignore
index 48180b1..0ccc9e2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,6 +29,7 @@ Thumbs.db
 *.key
 *.log
 bin/
+config.json
 
 # Develop tools
 .vscode/
diff --git a/config.json b/config.json.example
similarity index 93%
rename from config.json
rename to config.json.example
index 27a4db5..0d315b1 100644
--- a/config.json
+++ b/config.json.example
@@ -6,7 +6,7 @@
   "codex_api_key": "sk-xxx",
   "codex_api_organization": "",
   "codex_api_project": "",
-  "codex_max_tokens": 4093,
+  "codex_max_tokens": 2048,
   "chat_api_base": "https://api-proxy.oaipro.com/v1",
   "chat_api_key": "sk-xxx",
   "chat_api_organization": "",