diff --git a/src/controllers/ReportController.ts b/src/controllers/ReportController.ts
index 6ee53ccd..5ec3e5f3 100644
--- a/src/controllers/ReportController.ts
+++ b/src/controllers/ReportController.ts
@@ -191,6 +191,13 @@ export class ReportController extends Controller {
     @Query() sortBy: string = "posMasterNo",
     @Query() sort: "ASC" | "DESC" = "ASC",
   ) {
+    const _null: any = null;
+    if(!dateStart) {
+      dateStart = _null
+    }
+    if(!dateEnd) {
+      dateEnd = _null
+    }
     if (ageMin && (ageMin < 18 || ageMin > 60)) {
       throw new HttpError(HttpStatus.NOT_FOUND, "ageMin must be between 18 and 60");
     }
@@ -487,6 +494,13 @@ export class ReportController extends Controller {
     @Query() sortBy: string = "posMasterNo",
     @Query() sort: "ASC" | "DESC" = "ASC",
   ) {
+    const _null: any = null;
+    if(!dateStart) {
+      dateStart = _null
+    }
+    if(!dateEnd) {
+      dateEnd = _null
+    }
     if (ageMin && (ageMin < 18 || ageMin > 60)) {
       throw new HttpError(HttpStatus.NOT_FOUND, "ageMin must be between 18 and 60");
     }