diff --git a/models/dw/dw.fact_stock_minute.sql b/models/dw/dw.fact_stock_minute.sql
index a14578c..407fd45 100644
--- a/models/dw/dw.fact_stock_minute.sql
+++ b/models/dw/dw.fact_stock_minute.sql
@@ -4,7 +4,7 @@
         engine='MergeTree',
         order_by='(time_id, ts_code)',
         unique_key=['time_id', 'ts_code'],
-        incremental_strategy='append',
+        incremental_strategy='delete+insert',
         partition_by=['toYYYYMM(toDateTime(time_id))'],
         query_settings={
             "join_algorithm": "'full_sorting_merge'",