feat: #249 Support

lib/core/widgets/search_box.dart

@@ -28,7 +28,7 @@ class _SearchBoxState extends State<SearchBox> {
           onSubmitted: widget.onSubmitted,
           controller: widget.searchController,
           decoration: InputDecoration(
-              hintText: 'Search',
+              hintText: 'Search (Only support English word now)',
               contentPadding: const EdgeInsets.symmetric(vertical: 0, horizontal: 16),
               suffixIcon: IconButton(
                   onPressed: () {