diff --git a/examples/agentscope_websearch/agentscopev1_websearch_agent.yaml b/examples/agentscope_websearch/agentscopev1_websearch_agent.yaml
index 5c4fb5cc07..7d4835791b 100644
--- a/examples/agentscope_websearch/agentscopev1_websearch_agent.yaml
+++ b/examples/agentscope_websearch/agentscopev1_websearch_agent.yaml
@@ -4,7 +4,7 @@ checkpoint_root_dir: ${oc.env:TRINITY_CHECKPOINT_ROOT_DIR,./checkpoints}
 algorithm:
   algorithm_type: grpo
   repeat_times: 8
-  advantage_fn: grpo
+  advantage_fn: step_wise_grpo
 model:
   model_path: ${oc.env:TRINITY_MODEL_PATH,Qwen/Qwen2.5-7B-Instruct}
   max_response_tokens: 4096