diff --git a/apps/web/src/views/TahesabSalesReportView.vue b/apps/web/src/views/TahesabSalesReportView.vue
index 3344dde..8ef3e0f 100644
--- a/apps/web/src/views/TahesabSalesReportView.vue
+++ b/apps/web/src/views/TahesabSalesReportView.vue
@@ -174,7 +174,8 @@ const linkedGroups = computed(() =>
   (customerGroups.value as CustomerGroupDto[]).filter((g) => g.parentId && g.parentName),
 );
 
-function onChildGroup(id: string | undefined) {
+function onChildGroup(value: unknown) {
+  const id = typeof value === 'string' ? value : undefined;
   childGroupId.value = id;
   const current = (customerGroups.value as CustomerGroupDto[]).find((g) => g.id === id);
   parentGroupId.value = current?.parentId ?? undefined;
@@ -667,7 +668,7 @@ onUnmounted(() => stopPoll());
                   placeholder="جستجوی گروه"
                   option-filter-prop="label"
                   :options="childGroupOptions"
-                  @change="(value: string | undefined) => onChildGroup(value)"
+                  @change="onChildGroup"
                 />
               </a-form-item>
             </a-col>