diff --git a/sanguo_orchestrator/portfolio_worker.py b/sanguo_orchestrator/portfolio_worker.py
index 7ad2914..4f4f7f6 100644
--- a/sanguo_orchestrator/portfolio_worker.py
+++ b/sanguo_orchestrator/portfolio_worker.py
@@ -185,6 +185,7 @@ def _build_argv(
         f"--cash {cash} --benchmark {benchmark} "
         f"--strategy {strategy} "
         f"--max-pool {max_pool} "
+        f"--provider unified "
         f"--commission-rate {commission_rate} --stamp-duty-rate {stamp_duty_rate} "
         f"--min-commission {min_commission} --slippage {slippage}"
     )