diff --git a/backend/.env.example b/backend/.env.example
index f9a7524..28a254c 100755
--- a/backend/.env.example
+++ b/backend/.env.example
@@ -20,9 +20,10 @@ GEN2D_LLM_TEMPERATURE=0.7
 GEN2D_LLM_MAX_TOKENS=2048
 
 # 文生图模型（OpenAI 兼容 Images API）
-GEN2D_IMAGE_BASE_URL=https://api.suchuang.vip/v1
-GEN2D_IMAGE_API_KEY=
-GEN2D_IMAGE_MODEL=gpt-image-1
+# 模型可选: dall-e-2, dall-e-3, gpt-image-1, gpt-image-2
+GEN2D_IMAGE_BASE_URL=https://api.weelinking.com/v1
+GEN2D_IMAGE_API_KEY=sk-your-api-key
+GEN2D_IMAGE_MODEL=gpt-image-2
 GEN2D_IMAGE_WIDTH=1024
 GEN2D_IMAGE_HEIGHT=1024
 GEN2D_IMAGE_QUALITY=low