diff --git a/klp-cost/src/main/java/com/klp/cost/service/impl/CostProdReportServiceImpl.java b/klp-cost/src/main/java/com/klp/cost/service/impl/CostProdReportServiceImpl.java
index 446bdcaa..6365b7ee 100644
--- a/klp-cost/src/main/java/com/klp/cost/service/impl/CostProdReportServiceImpl.java
+++ b/klp-cost/src/main/java/com/klp/cost/service/impl/CostProdReportServiceImpl.java
@@ -71,7 +71,10 @@ public class CostProdReportServiceImpl implements ICostProdReportService {
         lqw.eq(StringUtils.isNotBlank(bo.getLineType()), CostProdReport::getLineType, bo.getLineType());
         lqw.eq(bo.getInputWeight() != null, CostProdReport::getInputWeight, bo.getInputWeight());
         lqw.eq(bo.getOutputWeight() != null, CostProdReport::getOutputWeight, bo.getOutputWeight());
-        lqw.apply(bo.getReportDate() != null, "DATE_FORMAT(report_date, '%Y-%m') = {0}", bo.getReportDate());
+        if (bo.getReportDate() != null) {
+            String monthStr = new java.text.SimpleDateFormat("yyyy-MM").format(bo.getReportDate());
+            lqw.apply("DATE_FORMAT(report_date, '%Y-%m') = {0}", monthStr);
+        }
         return lqw;
     }