diff --git a/.gitignore b/.gitignore
index e34956bb..319b28f5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -107,3 +107,6 @@ log/
 .vscode/
 *.out
 .envrc
+
+# Do not push sensitive files
+config.cfg
\ No newline at end of file
diff --git a/README_leetcode_generate.md b/README_leetcode_generate.md
index 521cd1a6..1fc7f582 100644
--- a/README_leetcode_generate.md
+++ b/README_leetcode_generate.md
@@ -42,7 +42,7 @@ $ pipenv install
 
 ## Config:
 
-Edit your own username, password, language and repo in the **config.cfg** file
+Edit your own username, password, language and repo in the **config.cfg.example** file and then rename it to **config.cfg**.
 
 driverpath - Please input the path of your chromedriver
 
diff --git a/config.cfg b/config.cfg.example
similarity index 100%
rename from config.cfg
rename to config.cfg.example