diff --git a/runs/frontier-fidelity-envelope-v1/run_qwen30_latency_case_real_surface.sh b/runs/frontier-fidelity-envelope-v1/run_qwen30_latency_case_real_surface.sh
index 435cf76..d9b1d65 100644
--- a/runs/frontier-fidelity-envelope-v1/run_qwen30_latency_case_real_surface.sh
+++ b/runs/frontier-fidelity-envelope-v1/run_qwen30_latency_case_real_surface.sh
@@ -16,7 +16,7 @@ CLIENT="${RUNNER_DIR}/qwen30_exact_trace_client.py"
 PREFILL_CLIENT="${RUNNER_DIR}/../frontier-phase-factorial-v0/qwen30_prefill_client.py"
 VENV_ROOT="${VENV_ROOT:-/tmp/wjh/venvs/vllm-0.20.0-cu129-profiler-v1}"
 MODEL_ROOT="${MODEL_ROOT:-/home/admin/cpfs/wjh/models/Qwen/Qwen3-30B-A3B}"
-FLASHINFER_SHARED_WORKSPACE="${FLASHINFER_SHARED_WORKSPACE:-/tmp/wjh/flashinfer-workspace-vllm020-profiler-v1}"
+FLASHINFER_SHARED_WORKSPACE="${FLASHINFER_SHARED_WORKSPACE:-${OUT}/flashinfer-shared-workspace}"
 SERVER_READY_ATTEMPTS="${SERVER_READY_ATTEMPTS:-300}"
 PORT="${BASE_PORT:-8300}"