diff --git a/README.md b/README.md
index d0a6b409d..55c4e1326 100644
--- a/README.md
+++ b/README.md
@@ -361,6 +361,14 @@ SiliconFlow API Key.
 
 SiliconFlow API URL.
 
+### `OPENROUTER_API_KEY` (optional)
+
+OpenRouter API Key.
+
+### `OPENROUTER_URL` (optional)
+
+OpenRouter API URL.
+
 ## Requirements
 
 NodeJS >= 18, Docker >= 20
diff --git a/README_CN.md b/README_CN.md
index 5576231cc..fe52a1017 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -275,6 +275,14 @@ SiliconFlow API Key.
 
 SiliconFlow API URL.
 
+### `OPENROUTER_API_KEY` (optional)
+
+OpenRouter API Key.
+
+### `OPENROUTER_URL` (optional)
+
+OpenRouter API URL.
+
 ## 开发
 
 点击下方按钮，开始二次开发：
diff --git a/app/constant.ts b/app/constant.ts
index 940ca8a2e..e3a265dfb 100644
--- a/app/constant.ts
+++ b/app/constant.ts
@@ -682,6 +682,8 @@ const siliconflowModels = [
   "Pro/deepseek-ai/DeepSeek-V3",
 ];
 
+// Use this to generate newest model list -> https://gist.github.com/hyc1230/d4b271d161ffcda485f1fa1a27e08096
+// Current list is generated on 2025/05/03
 const openrouterModels = [
   "microsoft/phi-4-reasoning-plus:free",
   "microsoft/phi-4-reasoning-plus",