feat: 更新应用名称和图标，优化用户界面

- 将应用名称修改为“Health Bot”，提升品牌识别度
- 更新应用图标为 logo.png，确保视觉一致性
- 删除不再使用的 ai-coach-chat 页面，简化代码结构
- 更新多个页面的导航和按钮文本，提升用户体验
- 添加体重历史记录功能，支持用户追踪健康数据
- 优化 Redux 状态管理，确保数据处理的准确性和稳定性

app.json

@@ -1,10 +1,10 @@
 {
   "expo": {
-    "name": "普拉提助手",
+    "name": "Health Bot",
     "slug": "digital-pilates",
     "version": "1.0.4",
     "orientation": "portrait",
-    "icon": "./assets/images/logo.jpeg",
+    "icon": "./assets/images/logo.png",
     "scheme": "digitalpilates",
     "userInterfaceStyle": "light",
     "newArchEnabled": true,
@@ -21,7 +21,7 @@
     },
     "android": {
       "adaptiveIcon": {
-        "foregroundImage": "./assets/images/logo.jpeg",
+        "foregroundImage": "./assets/images/logo.png",
         "backgroundColor": "#ffffff"
       },
       "edgeToEdgeEnabled": true,
@@ -30,14 +30,14 @@
     "web": {
       "bundler": "metro",
       "output": "static",
-      "favicon": "./assets/images/logo.jpeg"
+      "favicon": "./assets/images/logo.png"
     },
     "plugins": [
       "expo-router",
       [
         "expo-splash-screen",
         {
-          "image": "./assets/images/logo.jpeg",
+          "image": "./assets/images/logo.png",
           "imageWidth": 200,
           "resizeMode": "contain",
           "backgroundColor": "#ffffff"

app/(tabs)/_layout.tsx

@@ -41,7 +41,7 @@ export default function TabLayout() {
                 case 'index':
                   return { icon: 'house.fill', title: '首页' } as const;
                 case 'coach':
-                  return { icon: 'person.3.fill', title: '教练' } as const;
+                  return { icon: 'person.3.fill', title: 'Bot' } as const;
                 case 'explore':
                   return { icon: 'paperplane.fill', title: '探索' } as const;
                 case 'personal':
@@ -156,7 +156,7 @@ export default function TabLayout() {
       <Tabs.Screen
         name="coach"
         options={{
-          title: '教练',
+          title: 'Bot',
           tabBarIcon: ({ color }) => {
             const isCoachSelected = pathname === '/coach';
             return (
@@ -173,7 +173,7 @@ export default function TabLayout() {
                       textAlign: 'center',
                       flexShrink: 0,
                     }}>
-                    教练
+                    Bot
                   </Text>
                 )}
               </View>

app/(tabs)/explore.tsx

@@ -2,6 +2,7 @@ import { AnimatedNumber } from '@/components/AnimatedNumber';
 import { BMICard } from '@/components/BMICard';
 import { CircularRing } from '@/components/CircularRing';
 import { ProgressBar } from '@/components/ProgressBar';
+import { WeightHistoryCard } from '@/components/WeightHistoryCard';
 import { Colors } from '@/constants/Colors';
 import { getTabBarBottomPadding } from '@/constants/TabBar';
 import { useAppSelector } from '@/hooks/redux';
@@ -137,6 +138,10 @@ export default function ExploreScreen() {
           contentContainerStyle={{ paddingBottom: bottomPadding }}
           showsVerticalScrollIndicator={false}
         >
+                  {/* 体重历史记录卡片 */}
+                  <Text style={styles.sectionTitle}>健康数据</Text>
+          <WeightHistoryCard />
+          
           {/* 标题与日期选择 */}
           <Text style={styles.monthTitle}>{monthTitle}</Text>
           <ScrollView
@@ -224,6 +229,8 @@ export default function ExploreScreen() {
             weight={userProfile?.weight ? parseFloat(userProfile.weight) : undefined}
             height={userProfile?.height ? parseFloat(userProfile.height) : undefined}
           />
+
+  
         </ScrollView>
       </SafeAreaView>
     </View>

app/(tabs)/index.tsx

@@ -8,9 +8,10 @@ import { useAppDispatch, useAppSelector } from '@/hooks/redux';
 import { useColorScheme } from '@/hooks/useColorScheme';
 import { listRecommendedArticles } from '@/services/articles';
 import { fetchRecommendations, RecommendationType } from '@/services/recommendations';
-import { loadPlans, type TrainingPlan } from '@/store/trainingPlanSlice';
+import { loadPlans } from '@/store/trainingPlanSlice';
 // Removed WorkoutCard import since we no longer use the horizontal carousel
 import { useAuthGuard } from '@/hooks/useAuthGuard';
+import { TrainingPlan } from '@/services/trainingPlanApi';
 import { getChineseGreeting } from '@/utils/date';
 import { useRouter } from 'expo-router';
 import React from 'react';
@@ -29,7 +30,7 @@ export default function HomeScreen() {
   const { width: windowWidth, height: windowHeight } = useWindowDimensions();
 
   // 训练计划状态
-  const { plans, currentId } = useAppSelector((s) => s.trainingPlan);
+  const { plans } = useAppSelector((s) => s.trainingPlan);
   const [activePlan, setActivePlan] = React.useState<TrainingPlan | null>(null);
 
   // Draggable coach badge state
@@ -148,13 +149,13 @@ export default function HomeScreen() {
 
   // 获取激活的训练计划
   React.useEffect(() => {
-    if (isLoggedIn && currentId && plans.length > 0) {
+    if (isLoggedIn && plans.length > 0) {
-      const currentPlan = plans.find(p => p.id === currentId);
+      const currentPlan = plans.find(p => p.isActive);
       setActivePlan(currentPlan || null);
     } else {
       setActivePlan(null);
     }
-  }, [isLoggedIn, currentId, plans]);
+  }, [isLoggedIn, plans]);
 
   // 拉取推荐接口（已登录时）
   React.useEffect(() => {

app/_layout.tsx

@@ -86,7 +86,7 @@ export default function RootLayout() {
             <Stack.Screen name="workout" options={{ headerShown: false }} />
             <Stack.Screen name="profile/edit" />
             <Stack.Screen name="profile/goals" options={{ headerShown: false }} />
-            <Stack.Screen name="ai-coach-chat" options={{ headerShown: false }} />
+
             <Stack.Screen name="ai-posture-assessment" />
             <Stack.Screen name="auth/login" options={{ headerShown: false }} />
             <Stack.Screen name="legal/user-agreement" options={{ headerShown: true, title: '用户协议' }} />

app/ai-posture-result.tsx

@@ -153,7 +153,7 @@ export default function AIPostureResultScreen() {
             <Ionicons name="checkmark-circle" size={18} color={theme.onPrimary} />
             <Text style={[styles.primaryBtnText, { color: theme.onPrimary }]}>完成并返回</Text>
           </TouchableOpacity>
-          <TouchableOpacity style={[styles.secondaryBtn, { borderColor: theme.border }]} onPress={() => router.push('/ai-coach-chat')}>
+          <TouchableOpacity style={[styles.secondaryBtn, { borderColor: theme.border }]} onPress={() => router.push('/(tabs)/coach')}>
             <Text style={[styles.secondaryBtnText, { color: theme.text }]}>生成训练建议</Text>
           </TouchableOpacity>
         </View>

components/BMICard.tsx

@@ -8,16 +8,18 @@ import {
 import { Ionicons } from '@expo/vector-icons';
 import React, { useState } from 'react';
 import {
+  Dimensions,
   Modal,
   Pressable,
-  ScrollView,
   StyleSheet,
   Text,
   TouchableOpacity,
-  View,
+  View
 } from 'react-native';
 import Toast from 'react-native-toast-message';
 
+const { width: screenWidth, height: screenHeight } = Dimensions.get('window');
+
 interface BMICardProps {
   weight?: number;
   height?: number;
@@ -31,8 +33,6 @@ export function BMICard({ weight, height, style }: BMICardProps) {
   const canCalculate = canCalculateBMI(weight, height);
   let bmiResult: BMIResult | null = null;
 
-
-
   if (canCalculate && weight && height) {
     try {
       bmiResult = getBMIResult(weight, height);
@@ -156,10 +156,18 @@ export function BMICard({ weight, height, style }: BMICardProps) {
           style={styles.modalBackdrop}
           onPress={handleHideInfoModal}
         >
-          <Pressable style={styles.modalContainer} onPress={(e) => e.stopPropagation()}>
+          <Pressable 
-            <View style={styles.modalContent}>
+            style={styles.modalContainer}
+            onPress={(e) => e.stopPropagation()}
+          >
+            {/* 弹窗头部 */}
             <View style={styles.modalHeader}>
+              <View style={styles.modalTitleContainer}>
+                <View style={styles.modalIconContainer}>
+                  <Ionicons name="fitness" size={24} color="#3B82F6" />
+                </View>
                 <Text style={styles.modalTitle}>BMI 指数说明</Text>
+              </View>
               <TouchableOpacity
                 onPress={handleHideInfoModal}
                 style={styles.closeButton}
@@ -169,43 +177,67 @@ export function BMICard({ weight, height, style }: BMICardProps) {
               </TouchableOpacity>
             </View>
 
-              <ScrollView
+            {/* 内容区域 - 去除滚动，精简设计 */}
-                style={styles.modalBody}
+            <View style={styles.modalContent}>
-                showsVerticalScrollIndicator={false}
+              {/* 介绍部分 */}
-                contentContainerStyle={{ paddingBottom: 20 }}
+              <View style={styles.introSection}>
-              >
                 <Text style={styles.modalDescription}>
-                  BMI（身体质量指数）是评估体重与身高关系的常用指标，计算公式为：体重(kg) ÷ 身高²(m)
+                  BMI 是评估体重与身高关系的健康指标
                 </Text>
+                <View style={styles.formulaContainer}>
+                  <Text style={styles.formulaText}>
+                    计算公式：体重(kg) ÷ 身高²(m)
+                  </Text>
+                </View>
+              </View>
 
-                <Text style={styles.sectionTitle}>BMI 分类标准</Text>
+              {/* BMI 分类标准 - 紧凑设计 */}
+              <View style={styles.categoriesSection}>
+                <Text style={styles.sectionTitle}>分类标准</Text>
+                <View style={styles.categoriesGrid}>
                   {BMI_CATEGORIES.map((category, index) => {
-                  const colors = index === 0 ? { bg: '#FFF4E6', text: '#8B7355' } :
+                    const colors = index === 0 ? { bg: '#FEF3C7', text: '#B45309' } :
                       index === 1 ? { bg: '#E8F5E8', text: '#2D5016' } :
                         index === 2 ? { bg: '#FEF3C7', text: '#B45309' } :
                           { bg: '#FEE2E2', text: '#B91C1C' };
 
                     return (
-                    <View key={index} style={[styles.categoryItem, { backgroundColor: colors.bg }]}>
+                      <View key={index} style={[styles.categoryCompact, { backgroundColor: colors.bg }]}>
-                      <View style={styles.categoryHeader}>
+                        <View style={styles.categoryCompactHeader}>
-                        <Text style={[styles.categoryName, { color: colors.text }]}>
+                          <Text style={[styles.categoryCompactName, { color: colors.text }]}>
                             {category.name}
                           </Text>
-                        <Text style={[styles.categoryRange, { color: colors.text }]}>
+                          <Text style={[styles.categoryCompactRange, { color: colors.text }]}>
                             {category.range}
                           </Text>
                         </View>
-                      <Text style={styles.categoryAdvice}>
+                        <Text style={[styles.categoryCompactAdvice, { color: colors.text }]} numberOfLines={2}>
                           {category.advice}
                         </Text>
                       </View>
                     );
                   })}
+                </View>
+              </View>
 
-                <Text style={styles.disclaimer}>
+              {/* 健康提示 - 简化版 */}
-                  * BMI 仅供参考，不能完全反映身体健康状况。如有疑问，请咨询专业医生。
+              <View style={styles.healthTips}>
+                <View style={styles.tipsHeader}>
+                  <Ionicons name="heart" size={16} color="#EF4444" />
+                  <Text style={styles.tipsTitle}>健康建议</Text>
+                </View>
+                <Text style={styles.tipsContent}>
+                  保持均衡饮食、规律运动、充足睡眠，定期监测体重变化
                 </Text>
-              </ScrollView>
+              </View>
+
+              {/* 免责声明 - 精简版 */}
+              <View style={styles.disclaimerCompact}>
+                <Ionicons name="information-circle" size={14} color="#6B7280" />
+                <Text style={styles.disclaimerCompactText}>
+                  BMI 仅供参考，如有疑问请咨询专业医生
+                </Text>
+              </View>
             </View>
           </Pressable>
         </Pressable>
@@ -336,8 +368,7 @@ const styles = StyleSheet.create({
     padding: 20,
   },
   modalContainer: {
-    width: '90%',
+    width: screenWidth * 0.92,
-    maxHeight: '85%',
     backgroundColor: '#FFFFFF',
     borderRadius: 24,
     overflow: 'hidden',
@@ -347,98 +378,161 @@ const styles = StyleSheet.create({
     shadowOpacity: 0.3,
     shadowRadius: 20,
   },
-  modalContent: {
-    maxHeight: '100%',
-  },
   modalHeader: {
     flexDirection: 'row',
     alignItems: 'center',
     justifyContent: 'space-between',
-    padding: 24,
+    padding: 20,
     borderBottomWidth: 1,
     borderBottomColor: '#F3F4F6',
     backgroundColor: '#FAFAFA',
   },
+  modalTitleContainer: {
+    flexDirection: 'row',
+    alignItems: 'center',
+  },
+  modalIconContainer: {
+    width: 40,
+    height: 40,
+    borderRadius: 12,
+    backgroundColor: '#EFF6FF',
+    alignItems: 'center',
+    justifyContent: 'center',
+    marginRight: 12,
+  },
   modalTitle: {
-    fontSize: 22,
+    fontSize: 20,
     fontWeight: '800',
     color: '#111827',
     letterSpacing: -0.5,
   },
   closeButton: {
-    padding: 8,
+    width: 36,
-    borderRadius: 20,
+    height: 36,
+    borderRadius: 18,
     backgroundColor: '#F3F4F6',
+    alignItems: 'center',
+    justifyContent: 'center',
   },
-  modalBody: {
+  
-    paddingHorizontal: 24,
+  // 内容区域样式
-    paddingVertical: 20,
+  modalContent: {
+    paddingHorizontal: 20,
+    paddingBottom: 24,
+  },
+  
+  // 介绍部分
+  introSection: {
+    marginBottom: 20,
   },
   modalDescription: {
-    fontSize: 16,
-    color: '#4B5563',
-    lineHeight: 26,
-    marginBottom: 28,
-    textAlign: 'center',
-    backgroundColor: '#F8FAFC',
-    padding: 16,
-    borderRadius: 12,
-    borderLeftWidth: 4,
-    borderLeftColor: '#3B82F6',
-  },
-  sectionTitle: {
-    fontSize: 20,
-    fontWeight: '800',
-    color: '#111827',
-    marginBottom: 16,
-    letterSpacing: -0.3,
-  },
-  categoryItem: {
-    borderRadius: 16,
-    padding: 20,
-    marginBottom: 16,
-    borderWidth: 1,
-    borderColor: 'rgba(0,0,0,0.05)',
-    shadowColor: '#000',
-    shadowOffset: { width: 0, height: 2 },
-    shadowOpacity: 0.05,
-    shadowRadius: 4,
-    elevation: 2,
-  },
-  categoryHeader: {
-    flexDirection: 'row',
-    justifyContent: 'space-between',
-    alignItems: 'center',
-    marginBottom: 12,
-  },
-  categoryName: {
-    fontSize: 18,
-    fontWeight: '800',
-    letterSpacing: -0.2,
-  },
-  categoryRange: {
-    fontSize: 15,
-    fontWeight: '700',
-    backgroundColor: 'rgba(255,255,255,0.8)',
-    paddingHorizontal: 12,
-    paddingVertical: 4,
-    borderRadius: 20,
-  },
-  categoryAdvice: {
     fontSize: 15,
     color: '#374151',
     lineHeight: 22,
-    fontWeight: '500',
+    textAlign: 'center',
+    marginBottom: 12,
   },
-  disclaimer: {
+  formulaContainer: {
+    backgroundColor: '#F8FAFC',
+    borderRadius: 12,
+    padding: 16,
+    borderLeftWidth: 4,
+    borderLeftColor: '#3B82F6',
+  },
+  formulaText: {
+    fontSize: 15,
+    color: '#1F2937',
+    fontWeight: '600',
+    textAlign: 'center',
+  },
+  
+  // 分类部分
+  categoriesSection: {
+    marginBottom: 18,
+  },
+  sectionTitle: {
+    fontSize: 16,
+    fontWeight: '800',
+    color: '#111827',
+    marginBottom: 12,
+    textAlign: 'center',
+  },
+  categoriesGrid: {
+    flexDirection: 'row',
+    flexWrap: 'wrap',
+    gap: 8,
+  },
+  categoryCompact: {
+    flex: 1,
+    minWidth: '48%',
+    borderRadius: 12,
+    padding: 12,
+    marginBottom: 8,
+  },
+  categoryCompactHeader: {
+    flexDirection: 'row',
+    justifyContent: 'space-between',
+    alignItems: 'center',
+    marginBottom: 6,
+  },
+  categoryCompactName: {
+    fontSize: 14,
+    fontWeight: '700',
+  },
+  categoryCompactRange: {
+    fontSize: 12,
+    fontWeight: '600',
+    opacity: 0.8,
+  },
+  categoryCompactAdvice: {
+    fontSize: 11,
+    lineHeight: 16,
+    fontWeight: '500',
+    opacity: 0.9,
+  },
+  
+  // 健康提示
+  healthTips: {
+    backgroundColor: '#F9FAFB',
+    borderRadius: 12,
+    padding: 14,
+    marginBottom: 16,
+    borderLeftWidth: 3,
+    borderLeftColor: '#EF4444',
+  },
+  tipsHeader: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    marginBottom: 6,
+  },
+  tipsTitle: {
+    fontSize: 14,
+    fontWeight: '700',
+    color: '#111827',
+    marginLeft: 6,
+  },
+  tipsContent: {
     fontSize: 13,
+    color: '#374151',
+    lineHeight: 18,
+  },
+  
+  // 免责声明紧凑版
+  disclaimerCompact: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    backgroundColor: '#F9FAFB',
+    borderRadius: 8,
+    padding: 12,
+    marginTop: 4,
+  },
+  disclaimerCompactText: {
+    fontSize: 12,
     color: '#6B7280',
     fontStyle: 'italic',
-    marginTop: 24,
+    lineHeight: 16,
-    textAlign: 'center',
+    marginLeft: 6,
-    backgroundColor: '#F9FAFB',
+    flex: 1,
-    padding: 16,
-    borderRadius: 12,
-    lineHeight: 20,
   },
+
 });

components/WeightHistoryCard.tsx

@@ -0,0 +1,487 @@
+import { useAppDispatch, useAppSelector } from '@/hooks/redux';
+import { fetchWeightHistory } from '@/store/userSlice';
+import { Ionicons } from '@expo/vector-icons';
+import dayjs from 'dayjs';
+import { useRouter } from 'expo-router';
+import React, { useEffect, useState } from 'react';
+import {
+  Dimensions,
+  StyleSheet,
+  Text,
+  TouchableOpacity,
+  View,
+} from 'react-native';
+import Svg, { Circle, Line, Path, Text as SvgText } from 'react-native-svg';
+
+const { width: screenWidth } = Dimensions.get('window');
+const CARD_WIDTH = screenWidth - 40; // 减去左右边距
+const CHART_WIDTH = CARD_WIDTH - 36; // 减去卡片内边距
+const CHART_HEIGHT = 100;
+const PADDING = 10;
+
+type WeightHistoryItem = {
+  weight: string;
+  source: string;
+  createdAt: string;
+};
+
+export function WeightHistoryCard() {
+  const router = useRouter();
+  const dispatch = useAppDispatch();
+  const userProfile = useAppSelector((s) => s.user.profile);
+  const weightHistory = useAppSelector((s) => s.user.weightHistory);
+  const [isLoading, setIsLoading] = useState(false);
+  const [showChart, setShowChart] = useState(false);
+
+  const hasWeight = userProfile?.weight && parseFloat(userProfile.weight) > 0;
+
+  useEffect(() => {
+    if (hasWeight) {
+      loadWeightHistory();
+    }
+  }, [hasWeight]);
+
+  const loadWeightHistory = async () => {
+    try {
+      setIsLoading(true);
+      await dispatch(fetchWeightHistory() as any);
+    } catch (error) {
+      console.error('加载体重历史失败:', error);
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  const navigateToCoach = () => {
+    router.push('/(tabs)/coach');
+  };
+
+  // 如果正在加载，显示加载状态
+  if (isLoading) {
+    return (
+      <View style={styles.card}>
+        <View style={styles.cardHeader}>
+          <View style={styles.iconSquare}>
+            <Ionicons name="scale-outline" size={18} color="#192126" />
+          </View>
+          <Text style={styles.cardTitle}>体重记录</Text>
+        </View>
+        <View style={styles.emptyContent}>
+          <Text style={styles.emptyDescription}>加载中...</Text>
+        </View>
+      </View>
+    );
+  }
+
+  // 如果没有体重数据，显示引导卡片
+  if (!hasWeight) {
+    return (
+      <View style={styles.card}>
+        <View style={styles.cardHeader}>
+          <View style={styles.iconSquare}>
+            <Ionicons name="scale-outline" size={18} color="#192126" />
+          </View>
+          <Text style={styles.cardTitle}>体重记录</Text>
+        </View>
+        
+        <View style={styles.emptyContent}>
+          <View style={styles.emptyIconContainer}>
+            <Ionicons name="scale-outline" size={32} color="#BBF246" />
+          </View>
+          <Text style={styles.emptyTitle}>开始记录你的体重变化</Text>
+          <Text style={styles.emptyDescription}>
+            记录体重变化，追踪你的健康进展
+          </Text>
+          <TouchableOpacity 
+            style={styles.recordButton} 
+            onPress={navigateToCoach}
+            activeOpacity={0.8}
+          >
+            <Ionicons name="add" size={18} color="#FFFFFF" />
+            <Text style={styles.recordButtonText}>去记录体重</Text>
+          </TouchableOpacity>
+        </View>
+      </View>
+    );
+  }
+
+  // 处理体重历史数据
+  const sortedHistory = [...weightHistory]
+    .sort((a, b) => new Date(a.createdAt).getTime() - new Date(b.createdAt).getTime())
+    .slice(-7); // 只显示最近7条记录
+
+  if (sortedHistory.length === 0) {
+    return (
+      <View style={styles.card}>
+        <View style={styles.cardHeader}>
+          <View style={styles.iconSquare}>
+            <Ionicons name="scale-outline" size={18} color="#192126" />
+          </View>
+          <Text style={styles.cardTitle}>体重记录</Text>
+        </View>
+        
+        <View style={styles.emptyContent}>
+          <Text style={styles.emptyDescription}>
+            暂无体重记录，点击下方按钮开始记录
+          </Text>
+          <TouchableOpacity 
+            style={styles.recordButton} 
+            onPress={navigateToCoach}
+            activeOpacity={0.8}
+          >
+            <Ionicons name="add" size={18} color="#FFFFFF" />
+            <Text style={styles.recordButtonText}>记录体重</Text>
+          </TouchableOpacity>
+        </View>
+      </View>
+    );
+  }
+
+  // 生成图表数据
+  const weights = sortedHistory.map(item => parseFloat(item.weight));
+  const minWeight = Math.min(...weights);
+  const maxWeight = Math.max(...weights);
+  const weightRange = maxWeight - minWeight || 1;
+
+  const points = sortedHistory.map((item, index) => {
+    const x = PADDING + (index / Math.max(sortedHistory.length - 1, 1)) * (CHART_WIDTH - 2 * PADDING);
+    const normalizedWeight = (parseFloat(item.weight) - minWeight) / weightRange;
+    // 减少顶部边距，压缩留白
+    const y = PADDING + 15 + (1 - normalizedWeight) * (CHART_HEIGHT - 2 * PADDING - 30);
+    return { x, y, weight: item.weight, date: item.createdAt };
+  });
+
+  // 生成路径
+  const pathData = points.map((point, index) => {
+    if (index === 0) return `M ${point.x} ${point.y}`;
+    return `L ${point.x} ${point.y}`;
+  }).join(' ');
+
+  // 如果只有一个数据点，显示为水平线
+  const singlePointPath = points.length === 1 ? 
+    `M ${PADDING} ${points[0].y} L ${CHART_WIDTH - PADDING} ${points[0].y}` : 
+    pathData;
+
+  return (
+    <View style={styles.card}>
+      <View style={styles.cardHeader}>
+        <View style={styles.iconSquare}>
+          <Ionicons name="scale-outline" size={18} color="#192126" />
+        </View>
+        <Text style={styles.cardTitle}>体重记录</Text>
+        <View style={styles.headerButtons}>
+          <TouchableOpacity 
+            style={styles.chartToggleButton} 
+            onPress={() => setShowChart(!showChart)}
+            activeOpacity={0.8}
+          >
+            <Ionicons 
+              name={showChart ? "chevron-up" : "chevron-down"} 
+              size={16} 
+              color="#BBF246" 
+            />
+          </TouchableOpacity>
+          <TouchableOpacity 
+            style={styles.addButton} 
+            onPress={navigateToCoach}
+            activeOpacity={0.8}
+          >
+            <Ionicons name="add" size={16} color="#BBF246" />
+          </TouchableOpacity>
+        </View>
+      </View>
+
+      {/* 默认信息显示 */}
+      {!showChart && sortedHistory.length > 0 && (
+        <View style={styles.summaryInfo}>
+          <View style={styles.summaryRow}>
+            <View style={styles.summaryItem}>
+              <Text style={styles.summaryLabel}>当前体重</Text>
+              <Text style={styles.summaryValue}>{userProfile.weight}kg</Text>
+            </View>
+            <View style={styles.summaryItem}>
+              <Text style={styles.summaryLabel}>记录天数</Text>
+              <Text style={styles.summaryValue}>{sortedHistory.length}天</Text>
+            </View>
+            <View style={styles.summaryItem}>
+              <Text style={styles.summaryLabel}>变化范围</Text>
+              <Text style={styles.summaryValue}>
+                {minWeight.toFixed(1)}-{maxWeight.toFixed(1)}kg
+              </Text>
+            </View>
+          </View>
+          <TouchableOpacity 
+            style={styles.viewTrendButton} 
+            onPress={() => setShowChart(true)}
+            activeOpacity={0.8}
+          >
+            <Ionicons name="trending-up" size={14} color="#BBF246" />
+            <Text style={styles.viewTrendText}>查看趋势图</Text>
+          </TouchableOpacity>
+        </View>
+      )}
+
+      {/* 图表容器 - 可折叠 */}
+      {showChart && (
+        <View style={styles.chartContainer}>
+          <Svg width={CHART_WIDTH} height={CHART_HEIGHT + 15}>
+            {/* 背景网格线 */}
+          {[0, 1, 2, 3, 4].map(i => (
+            <Line
+              key={`grid-${i}`}
+              x1={PADDING}
+              y1={PADDING + 15 + i * (CHART_HEIGHT - 2 * PADDING - 30) / 4}
+              x2={CHART_WIDTH - PADDING}
+              y2={PADDING + 15 + i * (CHART_HEIGHT - 2 * PADDING - 30) / 4}
+              stroke="#F0F0F0"
+              strokeWidth={1}
+            />
+          ))}
+
+          {/* 折线 */}
+          <Path
+            d={singlePointPath}
+            stroke="#BBF246"
+            strokeWidth={3}
+            fill="none"
+            strokeLinecap="round"
+            strokeLinejoin="round"
+          />
+
+          {/* 数据点和标签 */}
+          {points.map((point, index) => {
+            const isLastPoint = index === points.length - 1;
+            const isFirstPoint = index === 0;
+            const showLabel = isFirstPoint || isLastPoint || points.length <= 3 || points.length === 1;
+            
+            return (
+              <React.Fragment key={index}>
+                <Circle
+                  cx={point.x}
+                  cy={point.y}
+                  r={isLastPoint ? 6 : 4}
+                  fill="#BBF246"
+                  stroke="#FFFFFF"
+                  strokeWidth={2}
+                />
+                {/* 体重标签 - 只在关键点显示 */}
+                {showLabel && (
+                  <>
+                    <Circle
+                      cx={point.x}
+                      cy={point.y - 15}
+                      r={10}
+                      fill="rgba(255,255,255,0.9)"
+                      stroke="#BBF246"
+                      strokeWidth={1}
+                    />
+                    <SvgText
+                      x={point.x}
+                      y={point.y - 12}
+                      fontSize="9"
+                      fill="#192126"
+                      textAnchor="middle"
+                    >
+                      {point.weight}
+                    </SvgText>
+                  </>
+                )}
+              </React.Fragment>
+            );
+          })}
+
+
+        </Svg>
+
+        {/* 图表底部信息 */}
+        <View style={styles.chartInfo}>
+          <View style={styles.infoItem}>
+            <Text style={styles.infoLabel}>当前体重</Text>
+            <Text style={styles.infoValue}>{userProfile.weight}kg</Text>
+          </View>
+          <View style={styles.infoItem}>
+            <Text style={styles.infoLabel}>记录天数</Text>
+            <Text style={styles.infoValue}>{sortedHistory.length}天</Text>
+          </View>
+          <View style={styles.infoItem}>
+            <Text style={styles.infoLabel}>变化范围</Text>
+            <Text style={styles.infoValue}>
+              {minWeight.toFixed(1)}-{maxWeight.toFixed(1)}kg
+            </Text>
+          </View>
+        </View>
+
+        {/* 最近记录时间 */}
+        {sortedHistory.length > 0 && (
+          <Text style={styles.lastRecordText}>
+            最近记录：{dayjs(sortedHistory[sortedHistory.length - 1].createdAt).format('MM/DD HH:mm')}
+          </Text>
+        )}
+      </View>
+    )}
+  </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  card: {
+    backgroundColor: '#FFFFFF',
+    borderRadius: 22,
+    padding: 18,
+    marginBottom: 16,
+    shadowColor: '#000',
+    shadowOffset: { width: 0, height: 2 },
+    shadowOpacity: 0.1,
+    shadowRadius: 8,
+    elevation: 3,
+  },
+  cardHeader: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    marginBottom: 16,
+  },
+  iconSquare: {
+    width: 30,
+    height: 30,
+    borderRadius: 8,
+    backgroundColor: '#F0F8E0',
+    alignItems: 'center',
+    justifyContent: 'center',
+    marginRight: 10,
+  },
+  cardTitle: {
+    fontSize: 18,
+    fontWeight: '800',
+    color: '#192126',
+    flex: 1,
+  },
+  headerButtons: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    gap: 8,
+  },
+  chartToggleButton: {
+    width: 28,
+    height: 28,
+    borderRadius: 14,
+    backgroundColor: '#F0F8E0',
+    alignItems: 'center',
+    justifyContent: 'center',
+  },
+  addButton: {
+    width: 28,
+    height: 28,
+    borderRadius: 14,
+    backgroundColor: '#F0F8E0',
+    alignItems: 'center',
+    justifyContent: 'center',
+  },
+  emptyContent: {
+    alignItems: 'center',
+    paddingVertical: 20,
+  },
+  emptyIconContainer: {
+    width: 60,
+    height: 60,
+    borderRadius: 30,
+    backgroundColor: '#F0F8E0',
+    alignItems: 'center',
+    justifyContent: 'center',
+    marginBottom: 12,
+  },
+  emptyTitle: {
+    fontSize: 16,
+    fontWeight: '700',
+    color: '#192126',
+    marginBottom: 6,
+  },
+  emptyDescription: {
+    fontSize: 14,
+    color: '#687076',
+    textAlign: 'center',
+    marginBottom: 16,
+    lineHeight: 20,
+  },
+  recordButton: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    backgroundColor: '#BBF246',
+    paddingHorizontal: 16,
+    paddingVertical: 10,
+    borderRadius: 20,
+    gap: 6,
+  },
+  recordButtonText: {
+    color: '#192126',
+    fontSize: 14,
+    fontWeight: '700',
+  },
+  chartContainer: {
+    alignItems: 'center',
+    minHeight: 100,
+  },
+  chartInfo: {
+    flexDirection: 'row',
+    justifyContent: 'space-around',
+    width: '100%',
+    paddingTop: 16,
+    borderTopWidth: 1,
+    borderTopColor: '#F0F0F0',
+  },
+  infoItem: {
+    alignItems: 'center',
+  },
+  infoLabel: {
+    fontSize: 12,
+    color: '#687076',
+    marginBottom: 4,
+  },
+  infoValue: {
+    fontSize: 14,
+    fontWeight: '700',
+    color: '#192126',
+  },
+  lastRecordText: {
+    fontSize: 12,
+    color: '#687076',
+    textAlign: 'center',
+    marginTop: 8,
+  },
+  summaryInfo: {
+    paddingVertical: 12,
+  },
+  summaryRow: {
+    flexDirection: 'row',
+    justifyContent: 'space-around',
+    marginBottom: 12,
+  },
+  summaryItem: {
+    alignItems: 'center',
+  },
+  summaryLabel: {
+    fontSize: 12,
+    color: '#687076',
+    marginBottom: 4,
+  },
+  summaryValue: {
+    fontSize: 14,
+    fontWeight: '700',
+    color: '#192126',
+  },
+  viewTrendButton: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    justifyContent: 'center',
+    backgroundColor: '#F0F8E0',
+    paddingHorizontal: 16,
+    paddingVertical: 8,
+    borderRadius: 16,
+    gap: 6,
+    alignSelf: 'center',
+  },
+  viewTrendText: {
+    fontSize: 13,
+    fontWeight: '600',
+    color: '#192126',
+  },
+});

ios/digitalpilates/Images.xcassets/AppIcon.appiconset/Contents.json

@@ -1,14 +1,14 @@
 {
   "images" : [
     {
-      "filename": "logo.jpeg",
+      "filename" : "logo.png",
       "idiom" : "universal",
       "platform" : "ios",
       "size" : "1024x1024"
     }
   ],
   "info" : {
-    "version": 1,
+    "author" : "xcode",
-    "author": "expo"
+    "version" : 1
   }
 }

ios/digitalpilates/Images.xcassets/Contents.json

@@ -1,6 +1,6 @@
 {
   "info" : {
-    "version" : 1,
+    "author" : "xcode",
-    "author" : "expo"
+    "version" : 1
   }
 }

ios/digitalpilates/Images.xcassets/SplashScreenLogo.imageset/Contents.json

@@ -1,17 +1,17 @@
 {
   "images" : [
     {
-      "filename" : "logo.jpeg",
+      "filename" : "logo.png",
       "idiom" : "universal",
       "scale" : "1x"
     },
     {
-      "filename" : "logo 1.jpeg",
+      "filename" : "logo 1.png",
       "idiom" : "universal",
       "scale" : "2x"
     },
     {
-      "filename" : "logo 2.jpeg",
+      "filename" : "logo 2.png",
       "idiom" : "universal",
       "scale" : "3x"
     }

ios/digitalpilates/Images.xcassets/logo.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "filename" : "logo.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

store/userSlice.ts

@@ -23,6 +23,13 @@ export type UserState = {
   loading: boolean;
   error: string | null;
   privacyAgreed: boolean;
+  weightHistory: WeightHistoryItem[];
+};
+
+export type WeightHistoryItem = {
+  weight: string;
+  source: string;
+  createdAt: string;
 };
 
 export const DEFAULT_MEMBER_NAME = '普拉提星球学员';
@@ -35,6 +42,7 @@ const initialState: UserState = {
   loading: false,
   error: null,
   privacyAgreed: false,
+  weightHistory: [],
 };
 
 export type LoginPayload = Record<string, any> & {
@@ -151,6 +159,18 @@ export const fetchMyProfile = createAsyncThunk('user/fetchMyProfile', async (_,
   }
 });
 
+// 获取用户体重历史记录
+export const fetchWeightHistory = createAsyncThunk('user/fetchWeightHistory', async (_, { rejectWithValue }) => {
+  try {
+    const data: WeightHistoryItem[] = await api.get('/api/users/weight-history');
+    console.log('fetchWeightHistory', data);
+    return data;
+  } catch (err: any) {
+    return rejectWithValue(err?.message ?? '获取用户体重历史记录失败');
+  }
+});
+
+
 const userSlice = createSlice({
   name: 'user',
   initialState,
@@ -208,6 +228,12 @@ const userSlice = createSlice({
       })
       .addCase(setPrivacyAgreed.fulfilled, (state) => {
         state.privacyAgreed = true;
+      })
+      .addCase(fetchWeightHistory.fulfilled, (state, action) => {
+        state.weightHistory = action.payload;
+      })
+      .addCase(fetchWeightHistory.rejected, (state, action) => {
+        state.error = (action.payload as string) ?? '获取用户体重历史记录失败';
       });
   },
 });