1.修复睡眠日报中睡眠规律性数据显示错误

2.更新时区设置

lib/pages/sleep_report/chart/SnoreChart.dart

@@ -127,18 +127,66 @@ class BarChartPainter extends CustomPainter {
     final textPainter = TextPainter(textDirection: ui.TextDirection.ltr);
     final stepValue = maxYValue / yStepCount;
 
+    // Y轴刻度
+    // for (int i = 0; i <= yStepCount; i++) {
+    //   final value = stepValue * i;
+    //   final y = topPadding + chartHeight - (value / maxYValue) * chartHeight;
+
+    //   final dashPaint = Paint()
+    //     ..color = Colors.grey.withOpacity(0.4)
+    //     ..strokeWidth = 1.rpx;
+
+    //   drawDashedLine(
+    //       canvas, Offset(leftPadding, y), Offset(size.width, y), dashPaint);
+
+    //   textPainter.text = TextSpan(
+    //     text: value.toStringAsFixed(0),
+    //     style: TextStyle(
+    //       fontSize: 18.rpx,
+    //       color: themeController.currentColor.sc4,
+    //     ),
+    //   );
+    //   textPainter.layout();
+    //   textPainter.paint(
+    //     canvas,
+    //     Offset(leftPadding - textPainter.width - 4, y - textPainter.height / 2),
+    //   );
+    // }
     // Y轴刻度
     for (int i = 0; i <= yStepCount; i++) {
       final value = stepValue * i;
       final y = topPadding + chartHeight - (value / maxYValue) * chartHeight;
 
-      final dashPaint = Paint()
-        ..color = Colors.grey.withOpacity(0.4)
-        ..strokeWidth = 1.rpx;
+      // 判断是否是基线（i == 0）
+      final bool isBaseline = i == 0;
 
-      drawDashedLine(
-          canvas, Offset(leftPadding, y), Offset(size.width, y), dashPaint);
+      if (isBaseline) {
+        // 基线画实线
+        final baselinePaint = Paint()
+          ..color = Colors.grey.withOpacity(0.6)
+          ..strokeWidth = 1.rpx
+          ..style = PaintingStyle.stroke;
 
+        canvas.drawLine(
+          Offset(leftPadding, y),
+          Offset(size.width, y),
+          baselinePaint,
+        );
+      } else {
+        // 其他刻度画虚线
+        final dashPaint = Paint()
+          ..color = Colors.grey.withOpacity(0.4)
+          ..strokeWidth = 1.rpx;
+
+        drawDashedLine(
+          canvas,
+          Offset(leftPadding, y),
+          Offset(size.width, y),
+          dashPaint,
+        );
+      }
+
+      // 绘制刻度文字
       textPainter.text = TextSpan(
         text: value.toStringAsFixed(0),
         style: TextStyle(
@@ -163,14 +211,14 @@ class BarChartPainter extends CustomPainter {
     final startHour = startDate.hour;
 
     // 绘制X轴主线（实线）
-    final xAxisPaint = Paint()
-      ..color = Colors.grey.withOpacity(0.4)
-      ..strokeWidth = 1.rpx;
-    canvas.drawLine(
-      Offset(leftPadding, xAxisY),
-      Offset(size.width, xAxisY),
-      xAxisPaint,
-    );
+    // final xAxisPaint = Paint()
+    //   ..color = Colors.grey.withOpacity(0.4)
+    //   ..strokeWidth = 1.rpx;
+    // canvas.drawLine(
+    //   Offset(leftPadding, xAxisY),
+    //   Offset(size.width, xAxisY),
+    //   xAxisPaint,
+    // );
 
     // 绘制左右两侧时间标签（HH:mm格式）
     final leftLabel = DateFormat('HH:mm').format(startDate);