diff --git a/src/components/FileManageDialog.vue b/src/components/FileManageDialog.vue
index 20de7a9..e92baf6 100644
--- a/src/components/FileManageDialog.vue
+++ b/src/components/FileManageDialog.vue
@@ -615,7 +615,7 @@ export default defineComponent({
                     ++directory_count.value;
                   } else {
                     for (const filter of filters.value) {
-                      if (item.name.endsWith(filter)) {
+                      if (item.name.toLowerCase().endsWith(filter)) {
                         files.value.push(item);
                         ++file_count.value;
                         break;