From 0867655d85496c6da5b5178cd7d3e5ee661ef2a8 Mon Sep 17 00:00:00 2001
From: Boris <boris@aiquantmind.com>
Date: Wed, 26 Aug 2026 05:08:34 +0800
Subject: [PATCH] =?UTF-8?q?=E5=87=8F=E5=B0=91=E6=96=87=E6=9C=AC=E5=9B=A0?=
 =?UTF-8?q?=E5=AD=90=E8=AF=BB=E5=8F=96=E4=B8=B4=E6=97=B6=E5=88=86=E9=85=8D?=
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---
 crates/fidc-core/src/data.rs                   | 7 +++++++
 crates/fidc-core/src/platform_expr_strategy.rs | 8 ++++----
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/crates/fidc-core/src/data.rs b/crates/fidc-core/src/data.rs
index b3f815d..c4f3e94 100644
--- a/crates/fidc-core/src/data.rs
+++ b/crates/fidc-core/src/data.rs
@@ -2449,6 +2449,13 @@ impl DataSet {
             .unwrap_or_default()
     }
 
+    pub fn factor_text_rows_on(&self, date: NaiveDate) -> &[FactorTextValue] {
+        self.factor_text_by_date
+            .get(&date)
+            .map(Vec::as_slice)
+            .unwrap_or(&[])
+    }
+
     pub fn market_snapshots_on(&self, date: NaiveDate) -> Vec<&DailyMarketSnapshot> {
         self.market_by_date
             .get(&date)
diff --git a/crates/fidc-core/src/platform_expr_strategy.rs b/crates/fidc-core/src/platform_expr_strategy.rs
index 5624451..bbf87bc 100644
--- a/crates/fidc-core/src/platform_expr_strategy.rs
+++ b/crates/fidc-core/src/platform_expr_strategy.rs
@@ -3687,8 +3687,8 @@ impl PlatformExprStrategy {
             },
             available_text_factor_names: if self.stock_text_factors_required {
                 ctx.data
-                    .factor_text_snapshots_on(date)
-                    .into_iter()
+                    .factor_text_rows_on(date)
+                    .iter()
                     .map(|row| row.field.clone())
                     .collect()
             } else {
@@ -4081,8 +4081,8 @@ impl PlatformExprStrategy {
             extra_factors,
             extra_text_factors: if self.stock_text_factors_required {
                 ctx.data
-                    .factor_text_snapshots_on(date)
-                    .into_iter()
+                    .factor_text_rows_on(date)
+                    .iter()
                     .filter(|row| row.symbol == symbol)
                     .map(|row| (row.field.clone(), row.value.clone()))
                     .collect()