diff --git a/fastdeploy/worker/xpu_model_runner.py b/fastdeploy/worker/xpu_model_runner.py
index e3c03b636..07dd0a3c8 100644
--- a/fastdeploy/worker/xpu_model_runner.py
+++ b/fastdeploy/worker/xpu_model_runner.py
@@ -704,7 +704,9 @@ class XPUModelRunner(ModelRunnerBase):
             dtype="int64",
         )
         self.share_inputs["eos_token_id"] = paddle.full([self.model_config.eos_tokens_lens, 1], 0, dtype="int64")
-        self.share_inputs["top_p"] = paddle.full([max_num_seqs, 1], self.model_config.top_p, dtype="float32")
+        # self.share_inputs["top_p"] = paddle.full([max_num_seqs, 1], self.model_config.top_p, dtype="float32")
+        # self.share_inputs["top_p"] default to 0.0 on XPU for consideration of the performance
+        self.share_inputs["top_p"] = paddle.full([max_num_seqs, 1], 0.0, dtype="float32")
         self.share_inputs["top_k"] = paddle.full([max_num_seqs, 1], 0, dtype="int64")
         self.share_inputs["top_k_list"] = [0] * max_num_seqs
         self.share_inputs["min_p"] = paddle.full([max_num_seqs, 1], 0.0, dtype="float32")