diff --git a/server/configs/config.yaml b/server/configs/config.yaml
index d1665cd..5561e3a 100644
--- a/server/configs/config.yaml
+++ b/server/configs/config.yaml
@@ -167,12 +167,14 @@ log:
   level: debug,info,warn,error
   format: json
 
+# https://console.volcengine.com/ark/region:ark+cn-beijing/model/detail?Id=doubao-seed-2-0-pro
+
 llm:
   provider: ark
   base_url: https://ark.cn-beijing.volces.com/api/v3
   api_key: "7fb6c66b-129c-4935-9617-709236c4205a"
-  model: doubao-seed-2-0-pro-260215 # doubao-seed-2-0-lite-260215   #
-  knowledge_url_model: doubao-seed-2-0-mini-260215 #doubao-seed-2-0-mini-260215
+  model: doubao-seed-2-0-lite-260428 # doubao-seed-2-0-pro-260215   #
+  knowledge_url_model: doubao-seed-2-0-mini-260428 #doubao-seed-2-0-mini-260215
   timeout: 2m
   max_output_tokens: 16000
   temperature: 0.7