diff --git a/examples/benchmarks/TRA/workflow_config_tra_Alpha158.yaml b/examples/benchmarks/TRA/workflow_config_tra_Alpha158.yaml
index 72b900127..f273f62ee 100644
--- a/examples/benchmarks/TRA/workflow_config_tra_Alpha158.yaml
+++ b/examples/benchmarks/TRA/workflow_config_tra_Alpha158.yaml
@@ -62,13 +62,16 @@ port_analysis_config: &port_analysis_config
             topk: 50
             n_drop: 5
     backtest:
-        limit_threshold: 0.095
+        start_time: 2017-01-01
+        end_time: 2020-08-01
         account: 100000000
         benchmark: *benchmark
-        deal_price: close
-        open_cost: 0.0005
-        close_cost: 0.0015
-        min_cost: 5
+        exchange_kwargs:
+            limit_threshold: 0.095
+            deal_price: close
+            open_cost: 0.0005
+            close_cost: 0.0015
+            min_cost: 5
 
 task:
   model:
diff --git a/examples/benchmarks/TRA/workflow_config_tra_Alpha158_full.yaml b/examples/benchmarks/TRA/workflow_config_tra_Alpha158_full.yaml
index 107f58906..8dc82cb99 100644
--- a/examples/benchmarks/TRA/workflow_config_tra_Alpha158_full.yaml
+++ b/examples/benchmarks/TRA/workflow_config_tra_Alpha158_full.yaml
@@ -56,13 +56,16 @@ port_analysis_config: &port_analysis_config
             topk: 50
             n_drop: 5
     backtest:
-        limit_threshold: 0.095
+        start_time: 2017-01-01
+        end_time: 2020-08-01
         account: 100000000
         benchmark: *benchmark
-        deal_price: close
-        open_cost: 0.0005
-        close_cost: 0.0015
-        min_cost: 5
+        exchange_kwargs:
+            limit_threshold: 0.095
+            deal_price: close
+            open_cost: 0.0005
+            close_cost: 0.0015
+            min_cost: 5
 
 task:
   model:
diff --git a/examples/benchmarks/TRA/workflow_config_tra_Alpha360.yaml b/examples/benchmarks/TRA/workflow_config_tra_Alpha360.yaml
index 191aef53d..bd5b132ee 100644
--- a/examples/benchmarks/TRA/workflow_config_tra_Alpha360.yaml
+++ b/examples/benchmarks/TRA/workflow_config_tra_Alpha360.yaml
@@ -56,13 +56,16 @@ port_analysis_config: &port_analysis_config
             topk: 50
             n_drop: 5
     backtest:
-        limit_threshold: 0.095
+        start_time: 2017-01-01
+        end_time: 2020-08-01
         account: 100000000
         benchmark: *benchmark
-        deal_price: close
-        open_cost: 0.0005
-        close_cost: 0.0015
-        min_cost: 5
+        exchange_kwargs:
+            limit_threshold: 0.095
+            deal_price: close
+            open_cost: 0.0005
+            close_cost: 0.0015
+            min_cost: 5
 
 task:
   model: