diff --git a/examples/benchmarks/CatBoost/workflow_config_catboost.yaml b/examples/benchmarks/CatBoost/workflow_config_catboost.yaml
index 720599be5..9c15dc25b 100644
--- a/examples/benchmarks/CatBoost/workflow_config_catboost.yaml
+++ b/examples/benchmarks/CatBoost/workflow_config_catboost.yaml
@@ -36,7 +36,7 @@ task:
             num_leaves: 100
             thread_count: 20
             grow_policy: Lossguide
-            boostrap_type: Poisson
+            bootstrap_type: Poisson
     dataset:
         class: DatasetH
         module_path: qlib.data.dataset