diff --git a/app/(tabs)/coach.tsx b/app/(tabs)/coach.tsx
index 57217ee..cfc4cf9 100644
--- a/app/(tabs)/coach.tsx
+++ b/app/(tabs)/coach.tsx
@@ -419,7 +419,7 @@ export default function CoachScreen() {
       showSub = Keyboard.addListener('keyboardWillChangeFrame', (e: any) => {
         try {
           if (e?.endCoordinates?.height) {
-            const height = Math.max(0, e.endCoordinates.height - insets.bottom);
+            const height = Math.max(0, e.endCoordinates.height);
             setKeyboardOffset(height);
           }
         } catch (error) {
diff --git a/app/(tabs)/statistics.tsx b/app/(tabs)/statistics.tsx
index 6f4cd7b..1d35b28 100644
--- a/app/(tabs)/statistics.tsx
+++ b/app/(tabs)/statistics.tsx
@@ -18,7 +18,7 @@ import { useColorScheme } from '@/hooks/useColorScheme';
 import { calculateNutritionSummary, getDietRecords, NutritionSummary } from '@/services/dietRecords';
 import { fetchDailyMoodCheckins, selectLatestMoodRecordByDate } from '@/store/moodSlice';
 import { getMonthDaysZh, getTodayIndexInMonth } from '@/utils/date';
-import { ensureHealthPermissions, fetchHealthDataForDate, testOxygenSaturationData } from '@/utils/health';
+import { ensureHealthPermissions, fetchHealthDataForDate } from '@/utils/health';
 import { useBottomTabBarHeight } from '@react-navigation/bottom-tabs';
 import { useFocusEffect } from '@react-navigation/native';
 import dayjs from 'dayjs';
@@ -124,14 +124,12 @@ export default function ExploreScreen() {
   const [oxygenSaturation, setOxygenSaturation] = useState<number | null>(null);
   const [heartRate, setHeartRate] = useState<number | null>(null);
 
-  const [isLoading, setIsLoading] = useState(false);
   // 用于触发动画重置的 token（当日期或数据变化时更新）
   const [animToken, setAnimToken] = useState(0);
-  const [trainingProgress, setTrainingProgress] = useState(0); // 暂定静态80%
 
   // 营养数据状态
   const [nutritionSummary, setNutritionSummary] = useState<NutritionSummary | null>(null);
-  const [isNutritionLoading, setIsNutritionLoading] = useState(false);
+
   const { registerTask } = useBackgroundTasks();
   // 心情相关状态
   const dispatch = useAppDispatch();
@@ -182,7 +180,6 @@ export default function ExploreScreen() {
   const loadHealthData = async (targetDate?: Date) => {
     try {
       console.log('=== 开始HealthKit初始化流程 ===');
-      setIsLoading(true);
 
       const ok = await ensureHealthPermissions();
       if (!ok) {
@@ -246,15 +243,12 @@ export default function ExploreScreen() {
       // 重置血氧饱和度和心率数据
       setOxygenSaturation(null);
       setHeartRate(null);
-    } finally {
-      setIsLoading(false);
     }
   };
 
   // 加载营养数据
   const loadNutritionData = async (targetDate?: Date) => {
     try {
-      setIsNutritionLoading(true);
 
       // 确定要查询的日期：优先使用传入的日期，否则使用当前选中索引对应的日期
       let derivedDate: Date;
@@ -281,8 +275,6 @@ export default function ExploreScreen() {
     } catch (error) {
       console.error('营养数据加载失败:', error);
       setNutritionSummary(null);
-    } finally {
-      setIsNutritionLoading(false);
     }
   };
 
@@ -300,20 +292,20 @@ export default function ExploreScreen() {
     }, [selectedIndex])
   );
 
-  // useEffect(() => {
-  //       // 注册任务
-  //   registerTask({
-  //     id: 'health-data-task',
-  //     name: 'health-data-task',
-  //     handler: async () => {
-  //       try {
-  //         await loadHealthData();
-  //       } catch (error) {
-  //         console.error('健康数据任务执行失败:', error);
-  //       }
-  //     },
-  //   });
-  // }, []);
+  useEffect(() => {
+    // 注册任务
+    registerTask({
+      id: 'health-data-task',
+      name: 'health-data-task',
+      handler: async () => {
+        try {
+          await loadHealthData();
+        } catch (error) {
+          console.error('健康数据任务执行失败:', error);
+        }
+      },
+    });
+  }, []);
 
   // 日期点击时，加载对应日期数据
   const onSelectDate = (index: number, date: Date) => {
@@ -325,16 +317,6 @@ export default function ExploreScreen() {
     }
   };
 
-  // 测试血氧饱和度数据
-  const testOxygenData = async () => {
-    console.log('开始测试血氧饱和度数据...');
-    const currentDate = getCurrentSelectedDate();
-    await testOxygenSaturationData(currentDate);
-  };
-
-  // 使用统一的渐变背景色
-  const backgroundGradientColors = [colorTokens.backgroundGradientStart, colorTokens.backgroundGradientEnd] as const;
-
   return (
     <View style={styles.container}>
       {/* 背景渐变 */}
@@ -384,8 +366,8 @@ export default function ExploreScreen() {
                 />
               </FloatingCard>
 
-              <FloatingCard style={[styles.masonryCard, styles.caloriesCard]} delay={500}>
-                <Text style={styles.cardTitleSecondary}>消耗卡路里</Text>
+              <FloatingCard style={styles.masonryCard} delay={500}>
+                <Text style={styles.cardTitle}>消耗卡路里</Text>
                 {activeCalories != null ? (
                   <AnimatedNumber
                     value={activeCalories}
@@ -398,7 +380,7 @@ export default function ExploreScreen() {
                 )}
               </FloatingCard>
 
-              <FloatingCard style={[styles.masonryCard, styles.stepsCard]} delay={1000}>
+              <FloatingCard style={styles.masonryCard} delay={1000}>
                 <View style={styles.cardHeaderRow}>
                   <Text style={styles.cardTitle}>步数</Text>
                 </View>
@@ -414,14 +396,14 @@ export default function ExploreScreen() {
                 )}
                 <ProgressBar
                   progress={Math.min(1, Math.max(0, (stepCount ?? 0) / stepGoal))}
-                  height={16}
+                  height={14}
                   trackColor="#FFEBCB"
                   fillColor="#FFC365"
                   showLabel={false}
                 />
               </FloatingCard>
               {/* 心情卡片 */}
-              <FloatingCard style={[styles.masonryCard, styles.moodCard]} delay={1500}>
+              <FloatingCard style={styles.masonryCard} delay={1500}>
                 <MoodCard
                   moodCheckin={currentMoodCheckin}
                   onPress={() => pushIfAuthedElseLogin('/mood/calendar')}
@@ -444,7 +426,7 @@ export default function ExploreScreen() {
                 />
               </FloatingCard>
 
-              <FloatingCard style={[styles.masonryCard, styles.sleepCard]} delay={750}>
+              <FloatingCard style={styles.masonryCard} delay={750}>
                 <View style={styles.cardHeaderRow}>
                   <Text style={styles.cardTitle}>睡眠</Text>
                 </View>
@@ -473,13 +455,6 @@ export default function ExploreScreen() {
                   style={styles.basalMetabolismCardOverride}
                   oxygenSaturation={oxygenSaturation}
                 />
-                {/* 测试按钮 - 开发时使用 */}
-                <Text
-                  style={styles.testButton}
-                  onPress={testOxygenData}
-                >
-                  测试血氧数据
-                </Text>
               </FloatingCard>
 
               {/* 心率卡片 */}
@@ -577,22 +552,11 @@ const styles = StyleSheet.create({
     borderRadius: 22,
     padding: 16,
   },
-  caloriesCard: {
-    backgroundColor: '#FFFFFF',
-  },
-  trainingCard: {
-    backgroundColor: '#EEE9FF',
-  },
-  cardTitleSecondary: {
-    color: '#9AA3AE',
-    fontSize: 10,
-    fontWeight: '600',
-    marginBottom: 10,
-  },
   caloriesValue: {
     color: '#192126',
     fontSize: 18,
     fontWeight: '800',
+    marginTop: 18,
   },
   trainingContent: {
     marginTop: 8,
@@ -706,9 +670,6 @@ const styles = StyleSheet.create({
     color: '#5B5B5B',
     fontWeight: '600',
   },
-  stepsCard: {
-    backgroundColor: '#FFE4B8',
-  },
   stepsValue: {
     fontSize: 14,
     color: '#7A6A42',
@@ -797,9 +758,6 @@ const styles = StyleSheet.create({
     justifyContent: 'space-between',
     marginTop: 8,
   },
-  sleepCard: {
-    backgroundColor: '#E8F4FD',
-  },
   sleepValue: {
     fontSize: 16,
     color: '#1E40AF',
@@ -821,14 +779,5 @@ const styles = StyleSheet.create({
     top: 0,
     padding: 4,
   },
-  moodCard: {
-    backgroundColor: '#F0FDF4',
-  },
-  testButton: {
-    fontSize: 12,
-    color: '#3B82F6',
-    textAlign: 'center',
-    marginTop: 8,
-    padding: 4,
-  },
+
 });
diff --git a/components/BasalMetabolismCard.tsx b/components/BasalMetabolismCard.tsx
index ce6ec7a..e8edeeb 100644
--- a/components/BasalMetabolismCard.tsx
+++ b/components/BasalMetabolismCard.tsx
@@ -1,5 +1,4 @@
 import { AnimatedNumber } from '@/components/AnimatedNumber';
-import { LinearGradient } from 'expo-linear-gradient';
 import React from 'react';
 import { StyleSheet, Text, View } from 'react-native';
 
@@ -32,17 +31,6 @@ export function BasalMetabolismCard({ value, resetToken, style }: BasalMetabolis
 
   return (
     <View style={[styles.container, style]}>
-      {/* 渐变背景 */}
-      <LinearGradient
-        colors={['#F0F9FF', '#E0F2FE']}
-        style={styles.gradientBackground}
-        start={{ x: 0, y: 0 }}
-        end={{ x: 1, y: 1 }}
-      />
-
-      {/* 装饰性圆圈 */}
-      <View style={styles.decorativeCircle1} />
-      <View style={styles.decorativeCircle2} />
 
       {/* 头部区域 */}
       <View style={styles.header}>
@@ -88,34 +76,7 @@ const styles = StyleSheet.create({
     position: 'relative',
     overflow: 'hidden',
   },
-  gradientBackground: {
-    position: 'absolute',
-    left: 0,
-    right: 0,
-    top: 0,
-    bottom: 0,
-    opacity: 0.6,
-  },
-  decorativeCircle1: {
-    position: 'absolute',
-    top: -20,
-    right: -20,
-    width: 60,
-    height: 60,
-    borderRadius: 30,
-    backgroundColor: '#0EA5E9',
-    opacity: 0.1,
-  },
-  decorativeCircle2: {
-    position: 'absolute',
-    bottom: -15,
-    left: -15,
-    width: 40,
-    height: 40,
-    borderRadius: 20,
-    backgroundColor: '#0EA5E9',
-    opacity: 0.05,
-  },
+
   header: {
     flexDirection: 'row',
     alignItems: 'center',
diff --git a/components/DateSelector.tsx b/components/DateSelector.tsx
index f0f0ead..6d6346f 100644
--- a/components/DateSelector.tsx
+++ b/components/DateSelector.tsx
@@ -67,20 +67,39 @@ export const DateSelector: React.FC<DateSelectorProps> = ({
     const maxScrollOffset = Math.max(0, (days.length * itemWidth) - scrollWidth);
     const finalOffset = Math.min(centerOffset, maxScrollOffset);
 
-    daysScrollRef.current.scrollTo({ x: finalOffset, animated });
+    if (animated) {
+      // 使用原生动画API实现更平滑的滚动
+      requestAnimationFrame(() => {
+        daysScrollRef.current?.scrollTo({
+          x: finalOffset,
+          animated: true
+        });
+      });
+    } else {
+      // 非动画情况直接跳转
+      daysScrollRef.current?.scrollTo({
+        x: finalOffset,
+        animated: false
+      });
+    }
   };
 
   // 初始化时滚动到选中项
   useEffect(() => {
     if (scrollWidth > 0 && autoScrollToSelected) {
-      scrollToIndex(selectedIndex, false);
+      scrollToIndex(selectedIndex, true);
     }
   }, [scrollWidth, selectedIndex, autoScrollToSelected]);
 
   // 当选中索引变化时，滚动到对应位置
   useEffect(() => {
     if (scrollWidth > 0 && autoScrollToSelected) {
-      scrollToIndex(selectedIndex, true);
+      // 添加微小延迟以确保动画效果更明显
+      const timer = setTimeout(() => {
+        scrollToIndex(selectedIndex, true);
+      }, 50);
+
+      return () => clearTimeout(timer);
     }
   }, [selectedIndex, autoScrollToSelected]);
 
@@ -94,6 +113,11 @@ export const DateSelector: React.FC<DateSelectorProps> = ({
       return;
     }
 
+    // 先滚动到目标位置，再更新状态
+    if (autoScrollToSelected) {
+      scrollToIndex(index, true);
+    }
+
     // 更新内部状态（如果使用外部控制则不更新）
     if (externalSelectedIndex === undefined) {
       setInternalSelectedIndex(index);
diff --git a/components/MoodCard.tsx b/components/MoodCard.tsx
index 7e9f533..2f17185 100644
--- a/components/MoodCard.tsx
+++ b/components/MoodCard.tsx
@@ -14,20 +14,8 @@ export function MoodCard({ moodCheckin, onPress, isLoading = false }: MoodCardPr
 
   return (
     <TouchableOpacity onPress={onPress} style={styles.moodCardContent} disabled={isLoading}>
-      <View style={styles.cardHeaderRow}>
-        <View style={styles.moodIconContainer}>
-          {moodCheckin ? (
-            <Text style={styles.moodIcon}>
-              {moodConfig?.emoji || '😊'}
-            </Text>
-          ) : (
-            <Text style={styles.moodIcon}>😊</Text>
-          )}
-        </View>
-        <Text style={styles.cardTitle}>心情</Text>
-      </View>
+      <Text style={styles.cardTitle}>心情</Text>
 
-      <Text style={styles.moodSubtitle}>记录你的每日心情</Text>
 
       {isLoading ? (
         <View style={styles.moodPreview}>
@@ -53,39 +41,18 @@ const styles = StyleSheet.create({
   moodCardContent: {
     width: '100%',
   },
-  cardHeaderRow: {
-    flexDirection: 'row',
-    alignItems: 'center',
-    marginBottom: 12,
-  },
-  moodIconContainer: {
-    width: 24,
-    height: 24,
-    borderRadius: 8,
-    backgroundColor: '#DCFCE7',
-    alignItems: 'center',
-    justifyContent: 'center',
-    marginRight: 10,
-  },
-  moodIcon: {
-    fontSize: 14,
-  },
+
   cardTitle: {
     fontSize: 14,
     fontWeight: '800',
     color: '#192126',
   },
-  moodSubtitle: {
-    fontSize: 12,
-    color: '#6B7280',
-    marginTop: 4,
-    marginBottom: 8,
-  },
+
   moodPreview: {
     flexDirection: 'row',
     justifyContent: 'space-between',
     alignItems: 'center',
-    marginTop: 4,
+    marginTop: 22,
   },
   moodPreviewText: {
     fontSize: 14,
@@ -100,12 +67,12 @@ const styles = StyleSheet.create({
     fontSize: 12,
     color: '#9CA3AF',
     fontStyle: 'italic',
-    marginTop: 4,
+    marginTop: 22,
   },
   moodLoadingText: {
     fontSize: 12,
     color: '#9CA3AF',
     fontStyle: 'italic',
-    marginTop: 4,
+    marginTop: 22,
   },
 });
\ No newline at end of file
diff --git a/components/StressMeter.tsx b/components/StressMeter.tsx
index 73c4dc7..61bc8d3 100644
--- a/components/StressMeter.tsx
+++ b/components/StressMeter.tsx
@@ -68,7 +68,6 @@ export function StressMeter({ value, updateTime, style, hrvValue }: StressMeterP
           <View style={styles.leftSection}>
             <Text style={styles.title}>压力</Text>
           </View>
-          <Text style={styles.emoji}>{getStatusEmoji()}</Text>
         </View>
 
         {/* 数值显示区域 */}
@@ -83,7 +82,7 @@ export function StressMeter({ value, updateTime, style, hrvValue }: StressMeterP
             {/* 渐变背景进度条 */}
             <View style={[styles.progressBar, { width: '100%' }]}>
               <LinearGradient
-                colors={['#EF4444',  '#FCD34D', '#10B981']}
+                colors={['#EF4444', '#FCD34D', '#10B981']}
                 start={{ x: 0, y: 0 }}
                 end={{ x: 1, y: 0 }}
                 style={styles.gradientBar}
@@ -113,8 +112,6 @@ export function StressMeter({ value, updateTime, style, hrvValue }: StressMeterP
 
 const styles = StyleSheet.create({
   container: {
-    backgroundColor: '#FFFFFF',
-    padding: 2,
     shadowColor: '#000',
     shadowOffset: {
       width: 0,
@@ -147,19 +144,16 @@ const styles = StyleSheet.create({
   },
   title: {
     fontSize: 14,
-    fontWeight: '700',
+    fontWeight: '800',
     color: '#192126',
   },
-  emoji: {
-    fontSize: 16,
-  },
   valueSection: {
     flexDirection: 'row',
     alignItems: 'baseline',
     marginBottom: 12,
   },
   value: {
-    fontSize: 28,
+    fontSize: 24,
     fontWeight: '800',
     color: '#192126',
     lineHeight: 32,
@@ -172,7 +166,6 @@ const styles = StyleSheet.create({
   },
   progressContainer: {
     height: 16,
-    marginBottom: 4,
   },
   progressTrack: {
     height: 8,
diff --git a/components/statistic/HealthDataCard.tsx b/components/statistic/HealthDataCard.tsx
index c1ccf1d..81d2615 100644
--- a/components/statistic/HealthDataCard.tsx
+++ b/components/statistic/HealthDataCard.tsx
@@ -6,7 +6,6 @@ interface HealthDataCardProps {
   title: string;
   value: string;
   unit: string;
-  icon: React.ReactNode;
   style?: object;
 }
 
@@ -14,7 +13,6 @@ const HealthDataCard: React.FC<HealthDataCardProps> = ({
   title,
   value,
   unit,
-  icon,
   style
 }) => {
   return (
@@ -23,10 +21,6 @@ const HealthDataCard: React.FC<HealthDataCardProps> = ({
       exiting={FadeOut.duration(300)}
       style={[styles.card, style]}
     >
-
-      <View style={styles.iconContainer}>
-        {icon}
-      </View>
       <View style={styles.content}>
         <Text style={styles.title}>{title}</Text>
         <View style={styles.valueContainer}>
@@ -65,9 +59,9 @@ const styles = StyleSheet.create({
   },
   title: {
     fontSize: 14,
-    color: '#666',
+    color: '#192126',
     marginBottom: 4,
-    fontWeight: '600',
+    fontWeight: '800',
   },
   valueContainer: {
     flexDirection: 'row',
diff --git a/components/statistic/HeartRateCard.tsx b/components/statistic/HeartRateCard.tsx
index 5a77ba4..b307a7b 100644
--- a/components/statistic/HeartRateCard.tsx
+++ b/components/statistic/HeartRateCard.tsx
@@ -23,7 +23,6 @@ const HeartRateCard: React.FC<HeartRateCardProps> = ({
       title="心率"
       value={heartRate !== null && heartRate !== undefined ? Math.round(heartRate).toString() : '--'}
       unit="bpm"
-      icon={heartIcon}
       style={style}
     />
   );
diff --git a/components/statistic/OxygenSaturationCard.tsx b/components/statistic/OxygenSaturationCard.tsx
index be69c59..fbc55e3 100644
--- a/components/statistic/OxygenSaturationCard.tsx
+++ b/components/statistic/OxygenSaturationCard.tsx
@@ -23,7 +23,6 @@ const OxygenSaturationCard: React.FC<OxygenSaturationCardProps> = ({
       title="血氧饱和度"
       value={oxygenSaturation !== null && oxygenSaturation !== undefined ? oxygenSaturation.toFixed(1) : '--'}
       unit="%"
-      icon={oxygenIcon}
       style={style}
     />
   );
diff --git a/utils/health.ts b/utils/health.ts
index b4cbbc7..509e2de 100644
--- a/utils/health.ts
+++ b/utils/health.ts
@@ -221,13 +221,13 @@ export async function fetchHealthDataForDate(date: Date): Promise<TodayHealthDat
         const latestOxygen = res[res.length - 1];
         if (latestOxygen && latestOxygen.value !== undefined && latestOxygen.value !== null) {
           let value = Number(latestOxygen.value);
-          
+
           // 检查数据格式：如果值小于1，可能是小数形式（0.0-1.0），需要转换为百分比
           if (value > 0 && value < 1) {
             value = value * 100;
             console.log('血氧饱和度数据从小数转换为百分比:', latestOxygen.value, '->', value);
           }
-          
+
           // 血氧饱和度通常在0-100之间，验证数据有效性
           if (value >= 0 && value <= 100) {
             resolve(Number(value.toFixed(1)));
@@ -280,12 +280,12 @@ export async function fetchHealthDataForDate(date: Date): Promise<TodayHealthDat
     sleepDuration,
     hrv,
     // 健身圆环数据
-    activeCalories: activitySummary?.activeEnergyBurned || 0,
-    activeCaloriesGoal: activitySummary?.activeEnergyBurnedGoal || 350,
-    exerciseMinutes: activitySummary?.appleExerciseTime || 0,
-    exerciseMinutesGoal: activitySummary?.appleExerciseTimeGoal || 30,
-    standHours: activitySummary?.appleStandHours || 0,
-    standHoursGoal: activitySummary?.appleStandHoursGoal || 12,
+    activeCalories: Math.round(activitySummary?.activeEnergyBurned || 0),
+    activeCaloriesGoal: Math.round(activitySummary?.activeEnergyBurnedGoal || 350),
+    exerciseMinutes: Math.round(activitySummary?.appleExerciseTime || 0),
+    exerciseMinutesGoal: Math.round(activitySummary?.appleExerciseTimeGoal || 30),
+    standHours: Math.round(activitySummary?.appleStandHours || 0),
+    standHoursGoal: Math.round(activitySummary?.appleStandHoursGoal || 12),
     // 血氧饱和度和心率数据
     oxygenSaturation,
     heartRate
@@ -357,15 +357,15 @@ export async function updateWeight(weight: number) {
 // 新增：测试血氧饱和度数据获取
 export async function testOxygenSaturationData(date: Date = new Date()): Promise<void> {
   console.log('=== 开始测试血氧饱和度数据获取 ===');
-  
+
   const start = dayjs(date).startOf('day').toDate();
   const end = dayjs(date).endOf('day').toDate();
-  
+
   const options = {
     startDate: start.toISOString(),
     endDate: end.toISOString()
   } as any;
-  
+
   return new Promise((resolve) => {
     AppleHealthKit.getOxygenSaturationSamples(options, (err, res) => {
       if (err) {
@@ -373,15 +373,15 @@ export async function testOxygenSaturationData(date: Date = new Date()): Promise
         resolve();
         return;
       }
-      
+
       console.log('原始血氧饱和度数据:', res);
-      
+
       if (!res || !Array.isArray(res) || res.length === 0) {
         console.warn('血氧饱和度数据为空');
         resolve();
         return;
       }
-      
+
       // 分析所有数据样本
       res.forEach((sample, index) => {
         console.log(`样本 ${index + 1}:`, {
@@ -391,26 +391,26 @@ export async function testOxygenSaturationData(date: Date = new Date()): Promise
           endDate: sample.endDate
         });
       });
-      
+
       // 获取最新的血氧饱和度值
       const latestOxygen = res[res.length - 1];
       if (latestOxygen && latestOxygen.value !== undefined && latestOxygen.value !== null) {
         let value = Number(latestOxygen.value);
-        
+
         console.log('处理前的值:', latestOxygen.value);
         console.log('转换为数字后的值:', value);
-        
+
         // 检查数据格式：如果值小于1，可能是小数形式（0.0-1.0），需要转换为百分比
         if (value > 0 && value < 1) {
           const originalValue = value;
           value = value * 100;
           console.log('血氧饱和度数据从小数转换为百分比:', originalValue, '->', value);
         }
-        
+
         console.log('最终处理后的值:', value);
         console.log('数据有效性检查:', value >= 0 && value <= 100 ? '有效' : '无效');
       }
-      
+
       console.log('=== 血氧饱和度数据测试完成 ===');
       resolve();
     });