fix(today)：文案修复

@@ -125,10 +125,15 @@ class TodayHrvChartCard extends StatelessWidget {
   }
 
   Widget _buildHeader(BuildContext context) {
+    var sameDay = DateUtils.isSameDay(
+        controller.selectedDate.value, controller.lastSelectableDay);
+
     return Row(
       children: [
         Text(
-          controller.isFriend ? 'Ta的今日HRV趋势' : context.l10n.todaySHrvTrend,
+          controller.isFriend
+              ? (sameDay ? 'Ta的今日HRV趋势' : 'Ta的该日HRV趋势')
+              : (sameDay ? '今日HRV趋势' : context.l10n.averageHrvForTheDay),
           style: TextStyle(
             color: context.colors.textPrimary,
             fontSize: 16,

@@ -30,7 +30,7 @@ class TodayHrvNumberCard extends StatelessWidget {
               child: _NumberItem(
                 label: controller.isFriend
                     ? (sameDay ? 'Ta的今日平均HRV' : 'Ta的该日平均HRV')
-                    : (sameDay ? '今日HRV趋势' : context.l10n.averageHrvForTheDay),
+                    : (sameDay ? '今日平均HRV' : context.l10n.averageHrvForTheDay),
                 value:
                     controller.v2HealthData.value?.hrvAvg?.toString() ?? '--',
                 unit: 'ms',