add config in readme

README.md

@@ -295,6 +295,14 @@ You can use this option if you want to increase the number of webdav service add
 
 Customize the default template used to initialize the User Input Preprocessing configuration item in Settings.
 
+### `STABILITY_API_KEY` (optional)
+
+Stability API key.
+
+### `STABILITY_URL` (optional)
+
+Customize Stability API url.
+
 ## Requirements
 
 NodeJS >= 18, Docker >= 20

README_CN.md

@@ -200,6 +200,15 @@ ByteDance Api Url.
 
 自定义默认的 template，用于初始化『设置』中的『用户输入预处理』配置项
 
+### `STABILITY_API_KEY` (optional)
+
+Stability API密钥
+
+### `STABILITY_URL` (optional)
+
+自定义的Stability API请求地址
+
+
 ## 开发
 
 点击下方按钮，开始二次开发：