diff --git a/README.md b/README.md
index 620cdb7..0169968 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@
 
 ### 体验
 
-点击[下载链接](http://xiaweizi.top/SimplicityWeather-2_0.apk)下载
+点击[下载链接](http://xiaweizi.top/SimplicityWeather-2_1.apk)下载
 
 或者直接扫描二维码抢先体验
 
@@ -27,7 +27,9 @@
 - [x] 丰富的生活指数
 - [x] 台风路径
 - [x] 背景高斯模糊
-- [x] 丰富多样的天气背景效果
+- [x] 动态降雨卡片
+- [x] 自动更新
+- [x] 丰富多样的天气背景效果(雷暴效果)
 - [x] **一键换天**，做天气之子
 
 接下来多图警告
diff --git a/images/qrcode.png b/images/qrcode.png
index dfd819d..0930458 100644
Binary files a/images/qrcode.png and b/images/qrcode.png differ
diff --git a/lib/views/pages/home/aqi_chart.dart b/lib/views/pages/home/aqi_chart.dart
index 912e9bc..706e41c 100644
--- a/lib/views/pages/home/aqi_chart.dart
+++ b/lib/views/pages/home/aqi_chart.dart
@@ -76,6 +76,7 @@ class AqiChartPainter extends CustomPainter {
     var centerX = size.width / 2;
     var centerY = size.height / 2;
     var centerOffset = Offset(centerX, centerY);
+    // 绘制半透明圆弧
     _path.reset();
     _path.addArc(Rect.fromCircle(center: centerOffset, radius: radius),
         pi * 0.7, pi * 1.6);
@@ -84,18 +85,19 @@ class AqiChartPainter extends CustomPainter {
     _paint.strokeCap = StrokeCap.round;
     _paint.color = Colors.white38;
     canvas.drawPath(_path, _paint);
+    // 绘制纯白色圆弧
     _path.reset();
     _path.addArc(Rect.fromCircle(center: centerOffset, radius: radius),
         pi * 0.7, pi * 1.6 * ratio);
     _paint.color = Colors.white;
     canvas.drawPath(_path, _paint);
-
+    // 绘制 AQIValue
     var valuePara = UiUtils.getParagraph(value, 30);
     canvas.drawParagraph(
         valuePara,
         Offset(centerOffset.dx - valuePara.width / 2,
             centerOffset.dy - valuePara.height / 2));
-
+    // 绘制 AQIDesc
     var descPara = UiUtils.getParagraph("$desc", 15);
     canvas.drawParagraph(
         descPara,
diff --git a/lib/views/pages/home/day_forecast_detail.dart b/lib/views/pages/home/day_forecast_detail.dart
index d153358..57243a9 100644
--- a/lib/views/pages/home/day_forecast_detail.dart
+++ b/lib/views/pages/home/day_forecast_detail.dart
@@ -189,17 +189,15 @@ class DayPainter extends CustomPainter {
       canvas.drawParagraph(
           nightPara, Offset(startX - nightPara.width / 2, nightDescY));
 
-//      canvas.drawCircle(Offset(startX, topLineStartY), 5, _paint);
-//      canvas.drawCircle(Offset(startX, topLineEndY), 5, _paint);
-//      canvas.drawCircle(Offset(startX, bottomLineStartY), 5, _paint);
-//      canvas.drawCircle(Offset(startX, bottomLineEndY), 5, _paint);
       _paint.color = Colors.white;
       var topOffset = Offset(startX, getTopLineY(element.dayTemp));
       var bottomOffset = Offset(startX, getBottomLineY(element.dayTemp));
       _paint.style = PaintingStyle.fill;
+      // 绘制折线上的圆点
       canvas.drawCircle(topOffset, 3, _paint);
       canvas.drawCircle(bottomOffset, 3, _paint);
 
+      // 绘制圆点上下的温度值
       var topTempPara = UiUtils.getParagraph("${element.dayTemp}°", mainTextSize, itemWidth: itemWith);
       canvas.drawParagraph(
           topTempPara, Offset(topOffset.dx - topTempPara.width / 2, topOffset.dy - topTempPara.height - 5));
@@ -207,6 +205,7 @@ class DayPainter extends CustomPainter {
       canvas.drawParagraph(
           bottomTempPara, Offset(bottomOffset.dx - bottomTempPara.width / 2, bottomOffset.dy + 5));
 
+      // 绘制折线
       if (index == 0) {
         _topPath.moveTo(topOffset.dx, topOffset.dy);
         _bottomPath.moveTo(bottomOffset.dx, bottomOffset.dy);
diff --git a/pubspec.yaml b/pubspec.yaml
index 74f1155..b88694b 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -15,7 +15,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 2.0.0+20
+version: 2.1.0+21
 
 environment:
   sdk: ">=2.7.0 <3.0.0"