diff --git a/.env b/.env
index 19a074f..685fc34 100755
--- a/.env
+++ b/.env
@@ -1,8 +1,8 @@
 # 火山引擎 Ark API
 OPENAI_API_KEY=cb2360ff-1a52-4289-abd6-ec29118376d0
 OPENAI_BASE_URL=https://ark.cn-beijing.volces.com/api/v3
-OPENAI_MODEL=doubao-seed-2-0-lite-260215
-VISION_MODEL=doubao-seed-2-0-lite-260215
+OPENAI_MODEL=doubao-seed-2-0-pro-260215
+VISION_MODEL=doubao-seed-2-0-pro-260215
 GEMINI_IMAGE_MODEL=gemini-3.1-flash-image-preview
 GEMINI_IMAGE_FALLBACK_MODEL=gemini-2.5-flash-image
 GEMINI_IMAGE_SIZE=1K