diff --git a/config/default.yaml b/config/default.yaml
index 4e4b3e5..63c5e0a 100644
--- a/config/default.yaml
+++ b/config/default.yaml
@@ -69,6 +69,10 @@ harness:
   eval_min_per_class: 2
   early_stop_patience: 8
   use_slow_momentum: true
+  # 池构建策略
+  pool_split_mode: global          # global | per_category
+  train_ratio: 0.667               # per_category 模式下 train/(train+val) 比例
+  test_questions: "benchmarks/Video-MME"  # test 池的题目来源
 
 # ── 出题管线 v2 ──
 question_gen_v2: