diff --git a/app.json b/app.json
index 563a72b..754cf57 100644
--- a/app.json
+++ b/app.json
@@ -2,7 +2,7 @@
   "expo": {
     "name": "Out Live",
     "slug": "digital-pilates",
-    "version": "1.0.14",
+    "version": "1.0.15",
     "orientation": "portrait",
     "scheme": "digitalpilates",
     "userInterfaceStyle": "light",
diff --git a/app/_layout.tsx b/app/_layout.tsx
index 73cd97c..93ec2d3 100644
--- a/app/_layout.tsx
+++ b/app/_layout.tsx
@@ -14,18 +14,19 @@ import { setupQuickActions } from '@/services/quickActions';
 import { initializeWaterRecordBridge } from '@/services/waterRecordBridge';
 import { WaterRecordSource } from '@/services/waterRecords';
 import { store } from '@/store';
-import { fetchChallenges } from '@/store/challengesSlice';
 import { fetchMyProfile, setPrivacyAgreed } from '@/store/userSlice';
 import { createWaterRecordAction } from '@/store/waterSlice';
 import { ensureHealthPermissions, initializeHealthPermissions } from '@/utils/health';
 import { DailySummaryNotificationHelpers, MoodNotificationHelpers, NutritionNotificationHelpers } from '@/utils/notificationHelpers';
 import { clearPendingWaterRecords, syncPendingWidgetChanges } from '@/utils/widgetDataSync';
-import React from 'react';
+import React, { useEffect } from 'react';
 
 import { DialogProvider } from '@/components/ui/DialogProvider';
 import { ToastProvider } from '@/contexts/ToastContext';
+import { useAuthGuard } from '@/hooks/useAuthGuard';
 import { STORAGE_KEYS } from '@/services/api';
 import { BackgroundTaskManager } from '@/services/backgroundTaskManager';
+import { fetchChallenges } from '@/store/challengesSlice';
 import AsyncStorage from '@/utils/kvStore';
 import { Provider } from 'react-redux';
 
@@ -34,10 +35,17 @@ function Bootstrapper({ children }: { children: React.ReactNode }) {
   const dispatch = useAppDispatch();
   const { profile } = useAppSelector((state) => state.user);
   const [showPrivacyModal, setShowPrivacyModal] = React.useState(false);
+  const { isLoggedIn } = useAuthGuard()
 
   // 初始化快捷动作处理
   useQuickActions();
 
+  useEffect(() => {
+    if (isLoggedIn) {
+      dispatch(fetchChallenges());
+    }
+  }, [isLoggedIn]);
+
   React.useEffect(() => {
     const loadUserData = async () => {
       // 数据已经在启动界面预加载，这里只需要快速同步到 Redux 状态
@@ -128,7 +136,8 @@ function Bootstrapper({ children }: { children: React.ReactNode }) {
     loadUserData();
     initHealthPermissions();
     initializeNotifications();
-    dispatch(fetchChallenges());
+
+
     // 冷启动时清空 AI 教练会话缓存
     clearAiCoachSessionCache();
 
diff --git a/app/challenges/[id].tsx b/app/challenges/[id].tsx
index 4f83cbf..c679fd7 100644
--- a/app/challenges/[id].tsx
+++ b/app/challenges/[id].tsx
@@ -2,6 +2,7 @@ import ChallengeProgressCard from '@/components/challenges/ChallengeProgressCard
 import { HeaderBar } from '@/components/ui/HeaderBar';
 import { Colors } from '@/constants/Colors';
 import { useAppDispatch, useAppSelector } from '@/hooks/redux';
+import { useAuthGuard } from '@/hooks/useAuthGuard';
 import { useColorScheme } from '@/hooks/useColorScheme';
 import {
   fetchChallengeDetail,
@@ -15,12 +16,12 @@ import {
   selectJoinStatus,
   selectLeaveError,
   selectLeaveStatus,
-  selectProgressError,
-  selectProgressStatus,
+  selectProgressStatus
 } from '@/store/challengesSlice';
 import { Toast } from '@/utils/toast.utils';
 import { Ionicons } from '@expo/vector-icons';
 import { BlurView } from 'expo-blur';
+import { Image } from 'expo-image';
 import { LinearGradient } from 'expo-linear-gradient';
 import { useLocalSearchParams, useRouter } from 'expo-router';
 import LottieView from 'lottie-react-native';
@@ -29,7 +30,6 @@ import {
   ActivityIndicator,
   Alert,
   Dimensions,
-  Image,
   Platform,
   ScrollView,
   Share,
@@ -82,6 +82,8 @@ export default function ChallengeDetailScreen() {
   const colorTokens = Colors[theme];
   const insets = useSafeAreaInsets();
 
+  const { ensureLoggedIn } = useAuthGuard();
+
   const challengeSelector = useMemo(() => (id ? selectChallengeById(id) : undefined), [id]);
   const challenge = useAppSelector((state) => (challengeSelector ? challengeSelector(state) : undefined));
 
@@ -103,8 +105,6 @@ export default function ChallengeDetailScreen() {
 
   const progressStatusSelector = useMemo(() => (id ? selectProgressStatus(id) : undefined), [id]);
   const progressStatus = useAppSelector((state) => (progressStatusSelector ? progressStatusSelector(state) : 'idle'));
-  const progressErrorSelector = useMemo(() => (id ? selectProgressError(id) : undefined), [id]);
-  const progressError = useAppSelector((state) => (progressErrorSelector ? progressErrorSelector(state) : undefined));
 
   useEffect(() => {
     const getData = async (id: string) => {
@@ -174,6 +174,13 @@ export default function ChallengeDetailScreen() {
     if (!id || joinStatus === 'loading') {
       return;
     }
+
+    const isLoggedIn = await ensureLoggedIn();
+    if (!isLoggedIn) {
+      // 如果未登录，用户会被重定向到登录页面
+      return;
+    }
+
     try {
       await dispatch(joinChallenge(id));
       setShowCelebration(true)
@@ -307,7 +314,7 @@ export default function ChallengeDetailScreen() {
           ]}
         >
           <View style={styles.heroContainer}>
-            <Image source={{ uri: challenge.image }} style={styles.heroImage} resizeMode="cover" />
+            <Image source={{ uri: challenge.image }} style={styles.heroImage} cachePolicy={'memory-disk'} />
             <LinearGradient
               colors={['rgba(0,0,0,0.35)', 'rgba(0,0,0,0.15)', 'rgba(244, 246, 255, 1)']}
               style={StyleSheet.absoluteFillObject}
@@ -369,6 +376,7 @@ export default function ChallengeDetailScreen() {
                         key={`${avatar}-${index}`}
                         source={{ uri: avatar }}
                         style={[styles.avatar, index > 0 && styles.avatarOffset]}
+                        cachePolicy={'memory-disk'}
                       />
                     ))}
                     {challenge.participantsCount && challenge.participantsCount > participantAvatars.length ? (
@@ -401,7 +409,7 @@ export default function ChallengeDetailScreen() {
                     <Text style={styles.rankingOrder}>{index + 1}</Text>
                   </View>
                   {item.avatar ? (
-                    <Image source={{ uri: item.avatar }} style={styles.rankingAvatar} />
+                    <Image source={{ uri: item.avatar }} style={styles.rankingAvatar} cachePolicy={'memory-disk'} />
                   ) : (
                     <View style={styles.rankingAvatarPlaceholder}>
                       <Ionicons name="person-outline" size={20} color="#6f7ba7" />
diff --git a/components/challenges/ChallengeProgressCard.tsx b/components/challenges/ChallengeProgressCard.tsx
index 5ed2a58..68d69b4 100644
--- a/components/challenges/ChallengeProgressCard.tsx
+++ b/components/challenges/ChallengeProgressCard.tsx
@@ -1,7 +1,7 @@
 import dayjs from 'dayjs';
 import { LinearGradient } from 'expo-linear-gradient';
-import React, { useMemo } from 'react';
-import { StyleSheet, Text, View, type StyleProp, type ViewStyle } from 'react-native';
+import React, { useEffect, useMemo, useRef } from 'react';
+import { Animated, Easing, StyleSheet, Text, View, type StyleProp, type ViewStyle } from 'react-native';
 
 import type { ChallengeProgress } from '@/store/challengesSlice';
 
@@ -60,12 +60,42 @@ export const ChallengeProgressCard: React.FC<ChallengeProgressCardProps> = ({
   inactiveColor = DEFAULT_INACTIVE_COLOR,
 }) => {
   const hasValidProgress = Boolean(progress && progress.target && progress.target > 0);
+  const segmentAnimations = useRef<Animated.Value[]>([]);
 
   const segments = useMemo(() => {
     if (!hasValidProgress || !progress) return undefined;
     return clampSegments(progress.target, progress.completed);
   }, [hasValidProgress, progress]);
 
+  if (segments) {
+    if (segmentAnimations.current.length < segments.segmentsCount) {
+      const additional = Array.from(
+        { length: segments.segmentsCount - segmentAnimations.current.length },
+        () => new Animated.Value(0)
+      );
+      segmentAnimations.current = [...segmentAnimations.current, ...additional];
+    } else if (segmentAnimations.current.length > segments.segmentsCount) {
+      segmentAnimations.current = segmentAnimations.current.slice(0, segments.segmentsCount);
+    }
+  } else if (segmentAnimations.current.length) {
+    segmentAnimations.current = [];
+  }
+
+  useEffect(() => {
+    if (!segments) return;
+
+    segmentAnimations.current.forEach((animation, index) => {
+      const isComplete = index < segments.completedSegments;
+      Animated.timing(animation, {
+        toValue: isComplete ? 1 : 0,
+        duration: isComplete ? 460 : 240,
+        delay: isComplete ? index * 55 : 0,
+        easing: isComplete ? Easing.out(Easing.cubic) : Easing.out(Easing.quad),
+        useNativeDriver: true,
+      }).start();
+    });
+  }, [segments?.completedSegments, segments?.segmentsCount]);
+
   const remainingDays = useMemo(() => calculateRemainingDays(endAt), [endAt]);
 
   if (!hasValidProgress || !progress || !segments) {
@@ -93,19 +123,48 @@ export const ChallengeProgressCard: React.FC<ChallengeProgressCardProps> = ({
 
         <View style={[styles.track, { backgroundColor: trackColor }]}>
           {Array.from({ length: segments.segmentsCount }).map((_, index) => {
-            const isComplete = index < segments.completedSegments;
             const isFirst = index === 0;
             const isLast = index === segments.segmentsCount - 1;
+            const animation = segmentAnimations.current[index];
+
+            if (!animation) {
+              return null;
+            }
+
+            const scaleY = animation.interpolate({
+              inputRange: [0, 1],
+              outputRange: [0.55, 1],
+            });
+            const scaleX = animation.interpolate({
+              inputRange: [0, 1],
+              outputRange: [0.7, 1],
+            });
+            const opacity = animation.interpolate({
+              inputRange: [0, 1],
+              outputRange: [0.25, 1],
+            });
+
             return (
               <View
                 key={`progress-segment-${index}`}
                 style={[
                   styles.segment,
-                  { backgroundColor: isComplete ? accentColor : inactiveColor },
+                  { backgroundColor: inactiveColor },
                   isFirst && styles.segmentFirst,
                   isLast && styles.segmentLast,
                 ]}
-              />
+              >
+                <Animated.View
+                  style={[
+                    styles.segmentFill,
+                    {
+                      backgroundColor: accentColor,
+                      opacity,
+                      transform: [{ scaleX }, { scaleY }],
+                    },
+                  ]}
+                />
+              </View>
             );
           })}
         </View>
@@ -168,6 +227,7 @@ const styles = StyleSheet.create({
     height: 4,
     borderRadius: 4,
     marginHorizontal: 3,
+    overflow: 'hidden',
   },
   segmentFirst: {
     marginLeft: 0,
@@ -175,6 +235,10 @@ const styles = StyleSheet.create({
   segmentLast: {
     marginRight: 0,
   },
+  segmentFill: {
+    flex: 1,
+    borderRadius: 4,
+  },
 });
 
 export default ChallengeProgressCard;
diff --git a/ios/OutLive/Info.plist b/ios/OutLive/Info.plist
index 656bebe..cab4d11 100644
--- a/ios/OutLive/Info.plist
+++ b/ios/OutLive/Info.plist
@@ -25,7 +25,7 @@
     <key>CFBundlePackageType</key>
     <string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
     <key>CFBundleShortVersionString</key>
-    <string>1.0.14</string>
+    <string>1.0.15</string>
     <key>CFBundleSignature</key>
     <string>????</string>
     <key>CFBundleURLTypes</key>