feat:增加历史记录

lib/models/health.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/cupertino.dart';
+import 'package:flutter_common/flutter_common.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:hive/hive.dart';
 
@@ -38,7 +39,7 @@ class HealthRecord extends HiveObject {
     required this.date,
   });
 
-  static HealthRecord getEmpty(String date) {
+  static HealthRecord getEmpty(DateTime date) {
     return HealthRecord(
       id: DateTime.now().millisecondsSinceEpoch ~/ 1000,
       sportProject: '',
@@ -46,7 +47,7 @@ class HealthRecord extends HiveObject {
       weight: 0,
       sleepStartTime: '',
       sleepEndTime: '',
-      date: date,
+      date: formatDate(date),
     );
   }