diff --git a/backend/src/main/java/com/srsystem/repository/ReportRepository.java b/backend/src/main/java/com/srsystem/repository/ReportRepository.java
index 9dae1bd..2439a5e 100644
--- a/backend/src/main/java/com/srsystem/repository/ReportRepository.java
+++ b/backend/src/main/java/com/srsystem/repository/ReportRepository.java
@@ -17,7 +17,8 @@ public interface ReportRepository extends JpaRepository<Report, Long> {
     Page<Report> findByStatus(ReportStatus status, Pageable pageable);
     List<Report> findByUser_EmpIdAndTargetDateBetween(Long empId, LocalDate start, LocalDate end);
     List<Report> findByDispatch_DispatchId(Long dispatchId);
-    Page<Report> findByUser_EmpIdAndStatusAndReportType(Long empId, ReportStatus status, ReportType reportType, LocalDate targetDate, Pageable pageable);
+    Page<Report> findByUser_EmpIdAndStatusAndReportTypeAndTargetDate(Long empId, ReportStatus status, ReportType reportType, LocalDate targetDate, Pageable pageable);
+    Page<Report> findByUser_EmpIdAndStatusAndReportType(Long empId, ReportStatus status, ReportType reportType, Pageable pageable);
     List<Report> findByTargetDateBetween(LocalDate start, LocalDate end);
     long countByStatus(ReportStatus status);
 }
diff --git a/backend/src/main/java/com/srsystem/service/ReportService.java b/backend/src/main/java/com/srsystem/service/ReportService.java
index 280074e..6d1b6ff 100644
--- a/backend/src/main/java/com/srsystem/service/ReportService.java
+++ b/backend/src/main/java/com/srsystem/service/ReportService.java
@@ -64,7 +64,12 @@ public class ReportService {
 
     public Page<WorkReportResponse> findByUserId(Long userId, ReportStatus status, String type, LocalDate targetDate, Pageable pageable) {
         ReportType reportType = type != null ? ReportType.valueOf(type) : null;
-        Page<Report> reports = reportRepository.findByUser_EmpIdAndStatusAndReportType(userId, status, reportType, targetDate, pageable);
+        Page<Report> reports;
+        if (targetDate != null) {
+            reports = reportRepository.findByUser_EmpIdAndStatusAndReportTypeAndTargetDate(userId, status, reportType, targetDate, pageable);
+        } else {
+            reports = reportRepository.findByUser_EmpIdAndStatusAndReportType(userId, status, reportType, pageable);
+        }
         return reports.map(this::toWorkReportResponse);
     }