feat:更新美食记录表单

lib/models/stats.dart

@@ -19,16 +19,3 @@ class SummaryStats {
 
   Map<String, dynamic> toJson() => _$SummaryStatsToJson(this);
 }
-
-@JsonSerializable()
-class ChartData {
-  final String name;
-  final double value;
-
-  const ChartData({required this.name, required this.value});
-
-  factory ChartData.fromJson(Map<String, dynamic> json) =>
-      _$ChartDataFromJson(json);
-
-  Map<String, dynamic> toJson() => _$ChartDataToJson(this);
-}