feat:增加TDesign组件库

lib/service/health_service.dart

@@ -43,10 +43,10 @@ class HealthService {
   }
 
   // 获取总运动时长
-  num getTotalSport() {
+  double getTotalSport() {
     int year = DateTime.now().year;
     int month = DateTime.now().month;
-    num totalDuration = 0;
+    double totalDuration = 0;
 
     for (final record in getAllRecords()) {
       if (record.sportDuration != 0) {
@@ -88,12 +88,12 @@ class HealthService {
   }
 
   // 获取最新体重
-  num getLatestWeight() {
+  double getLatestWeight() {
     final records = getAllRecordsOrderByDate();
 
     for (final record in records) {
       if (record.weight != 0) {
-        return record.weight;
+        return record.weight.toDouble();
       }
     }