diff --git a/crates/fidc-core/src/platform_expr_strategy.rs b/crates/fidc-core/src/platform_expr_strategy.rs
index a200f4f..a3556ae 100644
--- a/crates/fidc-core/src/platform_expr_strategy.rs
+++ b/crates/fidc-core/src/platform_expr_strategy.rs
@@ -14577,7 +14577,10 @@ mod tests {
     #[test]
     fn portfolio_loss_observes_finalized_nav_after_fees_and_cash_flows() {
         use std::sync::Mutex;
-        use crate::{BacktestConfig, BacktestEngine, BrokerSimulator, ChinaEquityRuleHooks};
+        use chrono::Duration;
+        use crate::{BacktestConfig, BacktestEngine, BacktestError, BrokerSimulator,
+            ChinaAShareCostModel, ChinaEquityRuleHooks, ClosedPortfolioSession,
+            PortfolioLossConfig, PriceField, StrategyDecision};
 
         struct Capture {
             inner: PlatformExprStrategy,