diff --git a/ktransformers/server/backend/interfaces/ktransformers.py b/ktransformers/server/backend/interfaces/ktransformers.py
index b472b3f..f81c275 100644
--- a/ktransformers/server/backend/interfaces/ktransformers.py
+++ b/ktransformers/server/backend/interfaces/ktransformers.py
@@ -35,7 +35,7 @@ class KTransformersInterface(TransformersInterface):
             generation_config = GenerationConfig(
                 max_length=args.max_new_tokens,
                 temperature=args.temperature,
-                top_p=args.temperature,
+                top_p=args.top_p,
                 do_sample=True
             )