feat(challenges): 实现自定义挑战的编辑与删除功能并完善多语言支持

- 新增自定义挑战的编辑模式，支持修改挑战信息
- 在详情页为创建者添加删除（归档）挑战的功能入口
- 全面完善挑战创建页面的国际化(i18n)文案适配
- 优化个人中心页面的字体样式，统一使用 AliBold/Regular
- 更新 Store 逻辑以处理挑战更新、删除及列表数据映射调整

app/(tabs)/personal.tsx

@@ -981,16 +981,20 @@ const styles = StyleSheet.create({
     fontWeight: 'bold',
     color: '#2C3E50',
     marginBottom: 4,
+    fontFamily: 'AliBold',
   },
   userRole: {
     fontSize: 14,
     color: '#9370DB',
     fontWeight: '500',
+    fontFamily: 'AliBold',
+
   },
   userMemberNumber: {
     fontSize: 10,
     color: '#6C757D',
     marginTop: 4,
+    fontFamily: 'AliRegular',
   },
   aiUsageContainer: {
     flexDirection: 'row',
@@ -1002,6 +1006,7 @@ const styles = StyleSheet.create({
     color: '#9370DB',
     marginLeft: 2,
     fontWeight: '500',
+    fontFamily: 'AliRegular',
   },
   editButton: {
     backgroundColor: '#9370DB',
@@ -1020,6 +1025,7 @@ const styles = StyleSheet.create({
     color: 'white',
     fontSize: 14,
     fontWeight: '600',
+    fontFamily: 'AliBold',
   },
   editButtonTextGlass: {
     color: 'rgba(147, 112, 219, 1)',
@@ -1041,11 +1047,13 @@ const styles = StyleSheet.create({
     fontWeight: 'bold',
     color: '#9370DB',
     marginBottom: 4,
+    fontFamily: 'AliBold',
   },
   statLabel: {
     fontSize: 12,
     color: '#6C757D',
     fontWeight: '500',
+    fontFamily: 'AliRegular',
   },
   badgesRowCard: {
     flexDirection: 'row',
@@ -1065,6 +1073,7 @@ const styles = StyleSheet.create({
     fontSize: 16,
     fontWeight: '700',
     color: '#111827',
+    fontFamily: 'AliBold',
   },
   badgesRowContent: {
     flexDirection: 'row',
@@ -1103,6 +1112,7 @@ const styles = StyleSheet.create({
     fontSize: 18,
     fontWeight: '600',
     color: '#475467',
+    fontFamily: 'AliBold',
   },
   badgeCompactOverlay: {
     ...StyleSheet.absoluteFillObject,
@@ -1122,11 +1132,14 @@ const styles = StyleSheet.create({
     fontSize: 14,
     fontWeight: '700',
     color: '#5B21B6',
+    fontFamily: 'AliRegular',
   },
   badgesRowEmpty: {
     fontSize: 13,
     color: '#6B7280',
     fontWeight: '500',
+    fontFamily: 'AliBold',
+
   },
   // 菜单项
   menuItem: {
@@ -1151,6 +1164,7 @@ const styles = StyleSheet.create({
     fontSize: 13,
     color: '#6C757D',
     marginRight: 6,
+    fontFamily: 'AliRegular',
   },
   iconContainer: {
     width: 32,
@@ -1179,6 +1193,7 @@ const styles = StyleSheet.create({
     fontWeight: 'bold',
     color: '#2C3E50',
     marginLeft: 4,
+    fontFamily: 'AliBold',
   },
   languageModalOverlay: {
     flex: 1,
@@ -1204,11 +1219,13 @@ const styles = StyleSheet.create({
     fontSize: 18,
     fontWeight: 'bold',
     color: '#2C3E50',
+    fontFamily: 'AliBold',
   },
   languageModalSubtitle: {
     fontSize: 13,
     color: '#6C757D',
     marginBottom: 4,
+    fontFamily: 'AliRegular',
   },
   languageOption: {
     flexDirection: 'row',
@@ -1233,11 +1250,13 @@ const styles = StyleSheet.create({
     fontSize: 16,
     fontWeight: '600',
     color: '#2C3E50',
+    fontFamily: 'AliBold',
   },
   languageOptionDescription: {
     fontSize: 12,
     color: '#6C757D',
     marginTop: 4,
+    fontFamily: 'AliRegular',
   },
   languageModalClose: {
     marginTop: 4,
@@ -1247,5 +1266,6 @@ const styles = StyleSheet.create({
     fontSize: 15,
     fontWeight: '500',
     color: '#9370DB',
+    fontFamily: 'AliBold',
   },
 });

app/challenges/[id]/index.tsx

@@ -7,11 +7,15 @@ import { useAuthGuard } from '@/hooks/useAuthGuard';
 import { useColorScheme } from '@/hooks/useColorScheme';
 import { ChallengeSource } from '@/services/challengesApi';
 import {
+  archiveCustomChallengeThunk,
   fetchChallengeDetail,
   fetchChallengeRankings,
+  fetchChallenges,
   joinChallenge,
   leaveChallenge,
   reportChallengeProgress,
+  selectArchiveError,
+  selectArchiveStatus,
   selectChallengeById,
   selectChallengeDetailError,
   selectChallengeDetailStatus,
@@ -117,6 +121,10 @@ export default function ChallengeDetailScreen() {
   const leaveStatus = useAppSelector((state) => (leaveStatusSelector ? leaveStatusSelector(state) : 'idle'));
   const leaveErrorSelector = useMemo(() => (id ? selectLeaveError(id) : undefined), [id]);
   const leaveError = useAppSelector((state) => (leaveErrorSelector ? leaveErrorSelector(state) : undefined));
+  const archiveStatusSelector = useMemo(() => (id ? selectArchiveStatus(id) : undefined), [id]);
+  const archiveStatus = useAppSelector((state) => (archiveStatusSelector ? archiveStatusSelector(state) : 'idle'));
+  const archiveErrorSelector = useMemo(() => (id ? selectArchiveError(id) : undefined), [id]);
+  const archiveError = useAppSelector((state) => (archiveErrorSelector ? archiveErrorSelector(state) : undefined));
 
   const progressStatusSelector = useMemo(() => (id ? selectProgressStatus(id) : undefined), [id]);
   const progressStatus = useAppSelector((state) => (progressStatusSelector ? progressStatusSelector(state) : 'idle'));
@@ -160,9 +168,13 @@ export default function ChallengeDetailScreen() {
     };
   }, [showCelebration]);
 
+  
   const progress = challenge?.progress;
   const isJoined = challenge?.isJoined ?? false;
   const isCustomChallenge = challenge?.source === ChallengeSource.CUSTOM;
+  const isCreator = challenge?.isCreator ?? false;
+  const isCustomCreator = isCustomChallenge && isCreator;
+  const canEdit = isCustomChallenge && isCreator;
   const lastProgressAt = useMemo(() => {
     const progressRecord = challenge?.progress as { lastProgressAt?: string; last_progress_at?: string } | undefined;
     return progressRecord?.lastProgressAt ?? progressRecord?.last_progress_at;
@@ -275,6 +287,20 @@ export default function ChallengeDetailScreen() {
     }
   };
 
+  const handleArchive = async () => {
+    if (!id || archiveStatus === 'loading') {
+      return;
+    }
+    try {
+      await dispatch(archiveCustomChallengeThunk(id)).unwrap();
+      Toast.success(t('challengeDetail.alert.archiveSuccess'));
+      await dispatch(fetchChallenges());
+      router.back();
+    } catch (error) {
+      Toast.error(t('challengeDetail.alert.archiveFailed'));
+    }
+  };
+
   const handleLeaveConfirm = () => {
     if (!id || leaveStatus === 'loading') {
       return;
@@ -295,6 +321,26 @@ export default function ChallengeDetailScreen() {
     );
   };
 
+  const handleArchiveConfirm = () => {
+    if (!id || archiveStatus === 'loading') {
+      return;
+    }
+    Alert.alert(
+      t('challengeDetail.alert.archiveConfirm.title'),
+      t('challengeDetail.alert.archiveConfirm.message'),
+      [
+        { text: t('challengeDetail.alert.archiveConfirm.cancel'), style: 'cancel' },
+        {
+          text: t('challengeDetail.alert.archiveConfirm.confirm'),
+          style: 'destructive',
+          onPress: () => {
+            void handleArchive();
+          },
+        },
+      ]
+    );
+  };
+
   const handleProgressReport = async () => {
     if (!id || progressStatus === 'loading') {
       return;
@@ -391,6 +437,9 @@ export default function ChallengeDetailScreen() {
   const joinCtaLabel = joinStatus === 'loading' ? t('challengeDetail.cta.joining') : challenge.ctaLabel ?? t('challengeDetail.cta.join');
   const isUpcoming = challenge.status === 'upcoming';
   const isExpired = challenge.status === 'expired';
+  const deleteCtaLabel = archiveStatus === 'loading'
+    ? t('challengeDetail.cta.deleting')
+    : t('challengeDetail.cta.delete');
   const upcomingStartLabel = formatMonthDay(challenge.startAt);
   const upcomingHighlightTitle = t('challengeDetail.highlight.upcoming.title');
   const upcomingHighlightSubtitle = upcomingStartLabel
@@ -420,11 +469,18 @@ export default function ChallengeDetailScreen() {
       ? `分享码 ${challenge?.shareCode ?? ''}`
       : leaveHighlightTitle;
     floatingHighlightSubtitle = showShareCode ? '' : leaveHighlightSubtitle;
+    if (isCustomCreator) {
+      floatingCtaLabel = deleteCtaLabel;
+      floatingOnPress = handleArchiveConfirm;
+      floatingDisabled = archiveStatus === 'loading';
+      floatingError = archiveError;
+    } else {
       floatingCtaLabel = leaveCtaLabel;
       floatingOnPress = handleLeaveConfirm;
       floatingDisabled = leaveStatus === 'loading';
       floatingError = leaveError;
     }
+  }
 
   if (isUpcoming) {
     floatingHighlightTitle = upcomingHighlightTitle;
@@ -573,7 +629,40 @@ export default function ChallengeDetailScreen() {
             transparent
             withSafeTop={false}
             right={
+              <View style={styles.headerButtons}>
+                {canEdit && (
                   isLiquidGlassAvailable() ? (
+                    <TouchableOpacity
+                      onPress={() => router.push({
+                        pathname: '/challenges/create-custom',
+                        params: { id, mode: 'edit' }
+                      })}
+                      activeOpacity={0.7}
+                      style={styles.editButton}
+                    >
+                      <GlassView
+                        style={styles.editButtonGlass}
+                        glassEffectStyle="clear"
+                        tintColor="rgba(255, 255, 255, 0.3)"
+                        isInteractive={true}
+                      >
+                        <Ionicons name="create-outline" size={20} color="#ffffff" />
+                      </GlassView>
+                    </TouchableOpacity>
+                  ) : (
+                    <TouchableOpacity
+                      onPress={() => router.push({
+                        pathname: '/challenges/create-custom',
+                        params: { id, mode: 'edit' }
+                      })}
+                      activeOpacity={0.7}
+                      style={[styles.editButton, styles.fallbackEditButton]}
+                    >
+                      <Ionicons name="create-outline" size={20} color="#ffffff" />
+                    </TouchableOpacity>
+                  )
+                )}
+                {isLiquidGlassAvailable() ? (
                   <TouchableOpacity
                     onPress={handleShare}
                     activeOpacity={0.7}
@@ -595,7 +684,8 @@ export default function ChallengeDetailScreen() {
                   >
                     <Ionicons name="share-social-outline" size={20} color="#ffffff" />
                   </TouchableOpacity>
-              )
+                )}
+              </View>
             }
           />
         </View>
@@ -746,8 +836,84 @@ export default function ChallengeDetailScreen() {
           </View>
         </ScrollView>
 
-        <View pointerEvents="box-none" style={[styles.floatingCTAContainer, { paddingBottom: insets.bottom }]}>
+        <View pointerEvents="box-none" style={[styles.floatingCTAContainer, { paddingBottom: insets.bottom || 20 }]}>
-          <BlurView intensity={10} tint="light" style={styles.floatingCTABlur}>
+          {isLiquidGlassAvailable() ? (
+            <View style={styles.glassWrapper}>
+              {/* 顶部高光线条 */}
+              <LinearGradient
+                colors={['rgba(255,255,255,0.9)', 'rgba(255,255,255,0.2)', 'transparent']}
+                start={{ x: 0.5, y: 0 }}
+                end={{ x: 0.5, y: 1 }}
+                style={styles.glassHighlight}
+              />
+              <GlassView
+                style={styles.glassContainer}
+                glassEffectStyle="regular"
+                tintColor="rgba(243, 244, 251, 0.55)"
+                isInteractive={true}
+              >
+                {/* 内部微光渐变 */}
+                <LinearGradient
+                  colors={['rgba(255,255,255,0.6)', 'rgba(255,255,255,0.0)']}
+                  start={{ x: 0, y: 0 }}
+                  end={{ x: 0, y: 0.6 }}
+                  style={StyleSheet.absoluteFill}
+                  pointerEvents="none"
+                />
+                <View style={styles.floatingCTAContent}>
+                  {showShareCode ? (
+                    <View style={[styles.highlightCopy, styles.highlightCopyCompact]}>
+                      <View style={styles.shareCodeRow}>
+                        <Text style={styles.highlightTitle}>{floatingHighlightTitle}</Text>
+                        <TouchableOpacity
+                          activeOpacity={0.7}
+                          style={styles.shareCodeIconButton}
+                          onPress={handleCopyShareCode}
+                        >
+                          <Ionicons name="copy-outline" size={18} color="#4F5BD5" />
+                        </TouchableOpacity>
+                      </View>
+                      {floatingHighlightSubtitle ? (
+                        <Text style={styles.highlightSubtitle}>{floatingHighlightSubtitle}</Text>
+                      ) : null}
+                      {floatingError ? <Text style={styles.ctaErrorText}>{floatingError}</Text> : null}
+                    </View>
+                  ) : (
+                    <View style={styles.highlightCopy}>
+                      <Text style={styles.highlightTitle}>{floatingHighlightTitle}</Text>
+                      <Text style={styles.highlightSubtitle}>{floatingHighlightSubtitle}</Text>
+                      {floatingError ? <Text style={styles.ctaErrorText}>{floatingError}</Text> : null}
+                    </View>
+                  )}
+                  <TouchableOpacity
+                    style={styles.highlightButton}
+                    activeOpacity={0.85}
+                    onPress={floatingOnPress}
+                    disabled={floatingDisabled}
+                  >
+                    <LinearGradient
+                      colors={floatingGradientColors}
+                      start={{ x: 0, y: 0 }}
+                      end={{ x: 1, y: 1 }}
+                      style={styles.highlightButtonBackground}
+                    >
+                      {/* 按钮内部高光 */}
+                      <LinearGradient
+                        colors={['rgba(255,255,255,0.4)', 'transparent']}
+                        start={{ x: 0.5, y: 0 }}
+                        end={{ x: 0.5, y: 0.5 }}
+                        style={StyleSheet.absoluteFill}
+                      />
+                      <Text style={[styles.highlightButtonLabel, isDisabledButtonState && styles.highlightButtonLabelDisabled]}>
+                        {floatingCtaLabel}
+                      </Text>
+                    </LinearGradient>
+                  </TouchableOpacity>
+                </View>
+              </GlassView>
+            </View>
+          ) : (
+            <BlurView intensity={20} tint="light" style={styles.floatingCTABlur}>
               <View style={styles.floatingCTAContent}>
                 {showShareCode ? (
                   <View style={[styles.highlightCopy, styles.highlightCopyCompact]}>
@@ -792,6 +958,7 @@ export default function ChallengeDetailScreen() {
                 </TouchableOpacity>
               </View>
             </BlurView>
+          )}
         </View>
       </View>
       {showCelebration && (
@@ -850,13 +1017,47 @@ const styles = StyleSheet.create({
     right: 0,
     bottom: 0,
     paddingHorizontal: 20,
+    zIndex: 100,
   },
   floatingCTABlur: {
     borderRadius: 24,
     overflow: 'hidden',
     borderWidth: 1,
     borderColor: 'rgba(255,255,255,0.6)',
-    backgroundColor: 'rgba(243, 244, 251, 0.85)',
+    backgroundColor: 'rgba(243, 244, 251, 0.9)',
+    shadowColor: '#000',
+    shadowOffset: { width: 0, height: 4 },
+    shadowOpacity: 0.1,
+    shadowRadius: 12,
+    elevation: 5,
+  },
+  glassWrapper: {
+    borderRadius: 24,
+    overflow: 'hidden',
+    backgroundColor: 'rgba(255, 255, 255, 0.05)',
+    borderWidth: 1,
+    borderColor: 'rgba(255, 255, 255, 0.3)',
+    shadowColor: '#5E8BFF',
+    shadowOffset: {
+      width: 0,
+      height: 8,
+    },
+    shadowOpacity: 0.18,
+    shadowRadius: 20,
+    elevation: 10,
+  },
+  glassHighlight: {
+    position: 'absolute',
+    top: 0,
+    left: 0,
+    right: 0,
+    height: 1,
+    zIndex: 2,
+    opacity: 0.9,
+  },
+  glassContainer: {
+    borderRadius: 24,
+    overflow: 'hidden',
   },
   floatingCTAContent: {
     flexDirection: 'row',
@@ -890,6 +1091,7 @@ const styles = StyleSheet.create({
     fontSize: 14,
     color: '#596095',
     letterSpacing: 0.2,
+    fontFamily: 'AliRegular',
   },
   title: {
     marginTop: 10,
@@ -897,6 +1099,7 @@ const styles = StyleSheet.create({
     fontWeight: '800',
     color: '#1c1f3a',
     textAlign: 'center',
+    fontFamily: 'AliBold'
   },
   summary: {
     marginTop: 12,
@@ -904,6 +1107,7 @@ const styles = StyleSheet.create({
     lineHeight: 20,
     color: '#7080b4',
     textAlign: 'center',
+    fontFamily: 'AliRegular',
   },
   inlineError: {
     marginTop: 12,
@@ -950,11 +1154,13 @@ const styles = StyleSheet.create({
     fontSize: 15,
     fontWeight: '600',
     color: '#1c1f3a',
+    fontFamily: 'AliBold',
   },
   detailMeta: {
     marginTop: 4,
     fontSize: 12,
     color: '#6f7ba7',
+    fontFamily: 'AliRegular',
   },
   avatarRow: {
     flexDirection: 'row',
@@ -982,6 +1188,7 @@ const styles = StyleSheet.create({
     fontSize: 12,
     color: '#4F5BD5',
     fontWeight: '600',
+    fontFamily: 'AliRegular',
   },
   checkInCard: {
     marginTop: 4,
@@ -999,12 +1206,14 @@ const styles = StyleSheet.create({
     fontSize: 14,
     fontWeight: '700',
     color: '#1c1f3a',
+    fontFamily: 'AliBold',
   },
   checkInSubtitle: {
     marginTop: 4,
     fontSize: 12,
     color: '#6f7ba7',
     lineHeight: 18,
+    fontFamily: 'AliRegular',
   },
   checkInButton: {
     borderRadius: 18,
@@ -1022,6 +1231,7 @@ const styles = StyleSheet.create({
     fontSize: 13,
     fontWeight: '700',
     color: '#ffffff',
+    fontFamily: 'AliBold',
   },
   checkInButtonLabelDisabled: {
     color: '#6f7799',
@@ -1037,11 +1247,13 @@ const styles = StyleSheet.create({
     fontSize: 18,
     fontWeight: '700',
     color: '#1c1f3a',
+    fontFamily: 'AliBold',
   },
   sectionAction: {
     fontSize: 13,
     fontWeight: '600',
     color: '#5F6BF0',
+    fontFamily: 'AliBold',
   },
   sectionSubtitle: {
     marginTop: 8,
@@ -1049,6 +1261,7 @@ const styles = StyleSheet.create({
     fontSize: 13,
     color: '#6f7ba7',
     lineHeight: 18,
+    fontFamily: 'AliRegular',
   },
   rankingCard: {
     marginTop: 20,
@@ -1069,17 +1282,20 @@ const styles = StyleSheet.create({
   emptyRankingText: {
     fontSize: 14,
     color: '#6f7ba7',
+    fontFamily: 'AliRegular',
   },
   highlightTitle: {
     fontSize: 16,
     fontWeight: '700',
     color: '#1c1f3a',
+    fontFamily: 'AliBold',
   },
   highlightSubtitle: {
     marginTop: 4,
     fontSize: 12,
     color: '#5f6a97',
     lineHeight: 18,
+    fontFamily: 'AliRegular',
   },
   shareCodeIconButton: {
     paddingHorizontal: 4,
@@ -1105,10 +1321,38 @@ const styles = StyleSheet.create({
     fontSize: 14,
     fontWeight: '700',
     color: '#ffffff',
+    fontFamily: 'AliBold',
+
   },
   highlightButtonLabelDisabled: {
     color: '#6f7799',
   },
+  headerButtons: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    gap: 12,
+  },
+  editButton: {
+    width: 40,
+    height: 40,
+    borderRadius: 20,
+    alignItems: 'center',
+    justifyContent: 'center',
+    overflow: 'hidden',
+  },
+  editButtonGlass: {
+    width: 40,
+    height: 40,
+    borderRadius: 20,
+    alignItems: 'center',
+    justifyContent: 'center',
+    overflow: 'hidden',
+  },
+  fallbackEditButton: {
+    backgroundColor: 'rgba(255, 255, 255, 0.24)',
+    borderWidth: 1,
+    borderColor: 'rgba(255, 255, 255, 0.45)',
+  },
   shareButton: {
     width: 40,
     height: 40,
@@ -1131,6 +1375,7 @@ const styles = StyleSheet.create({
   missingText: {
     fontSize: 16,
     textAlign: 'center',
+    fontFamily: 'AliRegular',
   },
   retryButton: {
     marginTop: 18,
@@ -1142,6 +1387,7 @@ const styles = StyleSheet.create({
   retryText: {
     fontSize: 14,
     fontWeight: '600',
+    fontFamily: 'AliBold',
   },
   celebrationOverlay: {
     ...StyleSheet.absoluteFillObject,
@@ -1185,6 +1431,7 @@ const styles = StyleSheet.create({
     textShadowColor: 'rgba(0, 0, 0, 0.3)',
     textShadowOffset: { width: 0, height: 2 },
     textShadowRadius: 4,
+    fontFamily: 'AliBold',
   },
   shareCardSummary: {
     fontSize: 15,
@@ -1195,6 +1442,7 @@ const styles = StyleSheet.create({
     textShadowColor: 'rgba(0, 0, 0, 0.25)',
     textShadowOffset: { width: 0, height: 1 },
     textShadowRadius: 3,
+    fontFamily: 'AliRegular',
   },
   shareProgressContainer: {
     backgroundColor: 'rgba(255, 255, 255, 0.95)',
@@ -1229,11 +1477,13 @@ const styles = StyleSheet.create({
     fontSize: 14,
     fontWeight: '600',
     color: '#1c1f3a',
+    fontFamily: 'AliBold',
   },
   shareInfoMeta: {
     fontSize: 12,
     color: '#707baf',
     marginTop: 2,
+    fontFamily: 'AliRegular',
   },
   shareProgressHeader: {
     flexDirection: 'row',
@@ -1245,11 +1495,13 @@ const styles = StyleSheet.create({
     fontSize: 14,
     fontWeight: '600',
     color: '#1c1f3a',
+    fontFamily: 'AliBold',
   },
   shareProgressValue: {
     fontSize: 18,
     fontWeight: '800',
     color: '#5E8BFF',
+    fontFamily: 'AliBold',
   },
   shareProgressTrack: {
     height: 8,
@@ -1268,6 +1520,7 @@ const styles = StyleSheet.create({
     marginTop: 12,
     textAlign: 'center',
     fontWeight: '500',
+    fontFamily: 'AliRegular',
   },
   shareCardFooter: {
     alignItems: 'center',
@@ -1278,5 +1531,6 @@ const styles = StyleSheet.create({
     color: '#ffffff',
     opacity: 0.8,
     fontWeight: '600',
+    fontFamily: 'AliBold',
   },
 });

app/challenges/create-custom.tsx

@@ -4,7 +4,7 @@ import * as Clipboard from 'expo-clipboard';
 import { Image } from 'expo-image';
 import * as ImagePicker from 'expo-image-picker';
 import { LinearGradient } from 'expo-linear-gradient';
-import { useRouter } from 'expo-router';
+import { useLocalSearchParams, useRouter } from 'expo-router';
 import React, { useCallback, useEffect, useMemo, useState } from 'react';
 import {
   Alert,
@@ -27,22 +27,32 @@ import { Colors } from '@/constants/Colors';
 import { useAppDispatch, useAppSelector } from '@/hooks/redux';
 import { useColorScheme } from '@/hooks/useColorScheme';
 import { useCosUpload } from '@/hooks/useCosUpload';
-import { ChallengeType, type CreateCustomChallengePayload } from '@/services/challengesApi';
+import { useI18n } from '@/hooks/useI18n';
+import {
+  ChallengeType,
+  type CreateCustomChallengePayload,
+  type UpdateCustomChallengePayload,
+} from '@/services/challengesApi';
+import { store } from '@/store';
 import {
   createCustomChallengeThunk,
   fetchChallenges,
+  selectChallengeById,
   selectCreateChallengeError,
   selectCreateChallengeStatus,
+  selectUpdateChallengeError,
+  selectUpdateChallengeStatus,
+  updateCustomChallengeThunk
 } from '@/store/challengesSlice';
 import { Toast } from '@/utils/toast.utils';
 
-const typeOptions: { value: ChallengeType; label: string; accent: string }[] = [
+const getTypeOptions = (t: (key: string) => string): { value: ChallengeType; label: string; accent: string }[] => [
-  { value: ChallengeType.WATER, label: '喝水', accent: '#5E8BFF' },
+  { value: ChallengeType.WATER, label: t('challenges.createCustom.typeLabels.water'), accent: '#5E8BFF' },
-  { value: ChallengeType.EXERCISE, label: '运动', accent: '#6B6CFF' },
+  { value: ChallengeType.EXERCISE, label: t('challenges.createCustom.typeLabels.exercise'), accent: '#6B6CFF' },
-  { value: ChallengeType.DIET, label: '饮食', accent: '#38BDF8' },
+  { value: ChallengeType.DIET, label: t('challenges.createCustom.typeLabels.diet'), accent: '#38BDF8' },
-  { value: ChallengeType.SLEEP, label: '睡眠', accent: '#7C3AED' },
+  { value: ChallengeType.SLEEP, label: t('challenges.createCustom.typeLabels.sleep'), accent: '#7C3AED' },
-  { value: ChallengeType.MOOD, label: '心情', accent: '#F97316' },
+  { value: ChallengeType.MOOD, label: t('challenges.createCustom.typeLabels.mood'), accent: '#F97316' },
-  { value: ChallengeType.WEIGHT, label: '体重', accent: '#22C55E' },
+  { value: ChallengeType.WEIGHT, label: t('challenges.createCustom.typeLabels.weight'), accent: '#22C55E' },
 ];
 
 const FALLBACK_IMAGE =
@@ -51,6 +61,9 @@ const FALLBACK_IMAGE =
 type PickerType = 'start' | 'end' | null;
 
 export default function CreateCustomChallengeScreen() {
+  const { id, mode } = useLocalSearchParams<{ id?: string; mode?: 'edit' }>();
+  const isEditMode = mode === 'edit' && !!id;
+  
   const theme = (useColorScheme() ?? 'light') as 'light' | 'dark';
   const colorTokens = Colors[theme];
   const dispatch = useAppDispatch();
@@ -58,7 +71,14 @@ export default function CreateCustomChallengeScreen() {
   const insets = useSafeAreaInsets();
   const createStatus = useAppSelector(selectCreateChallengeStatus);
   const createError = useAppSelector(selectCreateChallengeError);
+  const updateError = useAppSelector(selectUpdateChallengeError);
+  const updateStatus = useAppSelector(selectUpdateChallengeStatus);
+  const inlineError = isEditMode ? updateError : createError;
+
   const isCreating = createStatus === 'loading';
+  const isUpdating = updateStatus === 'loading';
+  const { t } = useI18n();
+  const typeOptions = useMemo(() => getTypeOptions(t), [t]);
 
   const today = useMemo(() => dayjs().startOf('day').toDate(), []);
   const defaultEnd = useMemo(() => dayjs().add(21, 'day').startOf('day').toDate(), []);
@@ -74,7 +94,7 @@ export default function CreateCustomChallengeScreen() {
   const [minimumCheckInDays, setMinimumCheckInDays] = useState('');
   const [requirementLabel, setRequirementLabel] = useState('');
   const [summary, setSummary] = useState('');
-  const [progressUnit] = useState('天');
+  const [progressUnit, setProgressUnit] = useState('');
   const [periodLabel, setPeriodLabel] = useState('');
   const [periodEdited, setPeriodEdited] = useState(false);
   const [rankingDescription] = useState('连续打卡榜');
@@ -88,6 +108,29 @@ export default function CreateCustomChallengeScreen() {
 
   const [pickerType, setPickerType] = useState<PickerType>(null);
 
+  // 编辑模式下预填充数据
+  useEffect(() => {
+    if (isEditMode && id) {
+      const challengeSelector = selectChallengeById(id);
+      const challenge = challengeSelector(store.getState());
+      if (challenge) {
+        setTitle(challenge.title || '');
+        setImage(challenge.image);
+        setType(challenge.type);
+        setStartDate(new Date(challenge.startAt || Date.now()));
+        setEndDate(new Date(challenge.endAt || Date.now()));
+        setTargetValue(String(challenge.progress?.target || ''));
+        setMinimumCheckInDays(String(challenge.minimumCheckInDays || ''));
+        setRequirementLabel(challenge.requirementLabel || '');
+        setSummary(challenge.summary || '');
+        setProgressUnit(challenge.unit || '');
+        setPeriodLabel(challenge.periodLabel || '');
+        setIsPublic(challenge.isPublic ?? true);
+        setMaxParticipants(challenge.maxParticipants?.toString() || '100');
+      }
+    }
+  }, [isEditMode, id]);
+
   const durationDays = useMemo(
     () =>
       Math.max(
@@ -96,16 +139,16 @@ export default function CreateCustomChallengeScreen() {
       ),
     [startDate, endDate]
   );
-  const durationLabel = useMemo(() => `持续${durationDays}天`, [durationDays]);
+  const durationLabel = useMemo(() => t('challenges.createCustom.durationDays', { days: durationDays }), [durationDays, t]);
 
   useEffect(() => {
     if (!periodEdited) {
-      setPeriodLabel(`${durationDays}天挑战`);
+      setPeriodLabel(t('challenges.createCustom.durationDaysChallenge', { days: durationDays }));
     }
     if (!minimumEdited) {
       setMinimumCheckInDays(String(durationDays));
     }
-  }, [durationDays, minimumEdited, periodEdited]);
+  }, [durationDays, minimumEdited, periodEdited, t]);
 
   const handleConfirmDate = (date: Date) => {
     if (!pickerType) return;
@@ -128,47 +171,47 @@ export default function CreateCustomChallengeScreen() {
   };
 
   const handleSubmit = async () => {
-    if (isCreating) return;
+    if (isCreating || isUpdating) return;
     if (!title.trim()) {
-      Toast.warning('请填写挑战标题');
+      Toast.warning(t('challenges.createCustom.alerts.titleRequired'));
       return;
     }
 
     if (!requirementLabel.trim()) {
-      Toast.warning('请填写挑战要求说明');
+      Toast.warning(t('challenges.createCustom.alerts.requirementRequired'));
       return;
     }
 
     const startTimestamp = dayjs(startDate).valueOf();
     const endTimestamp = dayjs(endDate).valueOf();
     if (endTimestamp <= startTimestamp) {
-      Toast.warning('结束时间需要晚于开始时间');
+      Toast.warning(t('challenges.createCustom.alerts.endTimeError'));
       return;
     }
 
     const target = Number(targetValue);
     if (!Number.isFinite(target) || target < 1 || target > 1000) {
-      Toast.warning('每日目标值需在 1-1000 之间');
+      Toast.warning(t('challenges.createCustom.alerts.targetValueError'));
       return;
     }
 
     const minDays = Number(minimumCheckInDays) || durationDays;
     if (!Number.isFinite(minDays) || minDays < 1 || minDays > 365) {
-      Toast.warning('最少打卡天数需在 1-365 之间');
+      Toast.warning(t('challenges.createCustom.alerts.minimumDaysError'));
       return;
     }
     if (minDays > durationDays) {
-      Toast.warning('最少打卡天数不能超过持续天数');
+      Toast.warning(t('challenges.createCustom.alerts.minimumDaysExceedError'));
       return;
     }
 
     const maxP = maxParticipants ? Number(maxParticipants) : null;
     if (maxP !== null && (!Number.isFinite(maxP) || maxP < 2 || maxP > 10000)) {
-      Toast.warning('参与人数需在 2-10000 之间，或留空表示无限制');
+      Toast.warning(t('challenges.createCustom.alerts.participantsError'));
       return;
     }
 
-    const safeTitle = title.trim() || '自定义挑战';
+    const safeTitle = title.trim() || t('challenges.createCustom.defaultTitle');
     const payload: CreateCustomChallengePayload = {
       title: safeTitle,
       type,
@@ -178,24 +221,39 @@ export default function CreateCustomChallengeScreen() {
       targetValue: target,
       minimumCheckInDays: minDays,
       durationLabel,
-      requirementLabel: requirementLabel.trim() || '请填写挑战要求',
+      requirementLabel: requirementLabel.trim(),
       summary: summary.trim() || undefined,
-      progressUnit: progressUnit.trim() || '天',
+      progressUnit: progressUnit.trim(),
       periodLabel: periodLabel.trim() || undefined,
       rankingDescription: rankingDescription.trim() || undefined,
       isPublic,
       maxParticipants: maxP,
     };
 
+    const updatePayload: UpdateCustomChallengePayload = {
+      title: safeTitle,
+      image: image?.trim() || undefined,
+      summary: summary.trim() || undefined,
+      isPublic,
+      maxParticipants: maxP ?? undefined,
+    };
+
     try {
+      if (isEditMode && id) {
+        await dispatch(updateCustomChallengeThunk({ id, payload: updatePayload })).unwrap();
+        Toast.success(t('challenges.createCustom.alerts.updateSuccess'));
+        dispatch(fetchChallenges());
+        return;
+      }
+
       const created = await dispatch(createCustomChallengeThunk(payload)).unwrap();
       setShareCode(created.shareCode ?? null);
       setCreatedChallengeId(created.id);
       setShareModalVisible(true);
-      Toast.success('自定义挑战已创建');
+      Toast.success(t('challenges.createCustom.alerts.createSuccess'));
       dispatch(fetchChallenges());
     } catch (error) {
-      const message = typeof error === 'string' ? error : '创建失败，请稍后再试';
+      const message = typeof error === 'string' ? error : t('challenges.createCustom.alerts.createFailed');
       Toast.error(message);
     }
   };
@@ -203,7 +261,7 @@ export default function CreateCustomChallengeScreen() {
   const handleCopyShareCode = async () => {
     if (!shareCode) return;
     await Clipboard.setStringAsync(shareCode);
-    Toast.success('邀请码已复制');
+    Toast.success(t('challenges.createCustom.shareModal.copyCode'));
   };
 
   const handleTargetInputChange = (value: string) => {
@@ -235,16 +293,16 @@ export default function CreateCustomChallengeScreen() {
 
   const handlePickImage = useCallback(() => {
     Alert.alert(
-      '选择封面图',
+      t('challenges.createCustom.imageUpload.selectSource'),
-      '请选择封面来源',
+      t('challenges.createCustom.imageUpload.selectMessage'),
       [
         {
-          text: '拍照',
+          text: t('challenges.createCustom.imageUpload.camera'),
           onPress: async () => {
             try {
               const permission = await ImagePicker.requestCameraPermissionsAsync();
               if (permission.status !== 'granted') {
-                Alert.alert('权限不足', '需要相机权限以拍摄封面');
+                Alert.alert(t('challenges.createCustom.imageUpload.cameraPermission'), t('challenges.createCustom.imageUpload.cameraPermissionMessage'));
                 return;
               }
               const result = await ImagePicker.launchCameraAsync({
@@ -269,21 +327,21 @@ export default function CreateCustomChallengeScreen() {
                 setImagePreview(null);
               } catch (error) {
                 console.error('[CHALLENGE] 封面上传失败', error);
-                Alert.alert('上传失败', '封面上传失败，请稍后重试');
+                Alert.alert(t('challenges.createCustom.imageUpload.uploadFailed'), t('challenges.createCustom.imageUpload.uploadFailedMessage'));
               }
             } catch (error) {
               console.error('[CHALLENGE] 拍照失败', error);
-              Alert.alert('拍照失败', '无法打开相机，请稍后再试');
+              Alert.alert(t('challenges.createCustom.imageUpload.cameraFailed'), t('challenges.createCustom.imageUpload.cameraFailedMessage'));
             }
           },
         },
         {
-          text: '从相册选择',
+          text: t('challenges.createCustom.imageUpload.album'),
           onPress: async () => {
             try {
               const permission = await ImagePicker.requestMediaLibraryPermissionsAsync();
               if (permission.status !== 'granted') {
-                Alert.alert('权限不足', '需要相册权限以选择封面');
+                Alert.alert(t('challenges.createCustom.imageUpload.cameraPermission'), t('challenges.createCustom.imageUpload.albumPermissionMessage'));
                 return;
               }
               const result = await ImagePicker.launchImageLibraryAsync({
@@ -307,19 +365,19 @@ export default function CreateCustomChallengeScreen() {
                 setImagePreview(null);
               } catch (error) {
                 console.error('[CHALLENGE] 封面上传失败', error);
-                Alert.alert('上传失败', '封面上传失败，请稍后重试');
+                Alert.alert(t('challenges.createCustom.imageUpload.uploadFailed'), t('challenges.createCustom.imageUpload.uploadFailedMessage'));
               }
             } catch (error) {
               console.error('[CHALLENGE] 选择封面失败', error);
-              Alert.alert('选择失败', '无法打开相册，请稍后再试');
+              Alert.alert(t('challenges.createCustom.imageUpload.selectFailed'), t('challenges.createCustom.imageUpload.selectFailedMessage'));
             }
           },
         },
-        { text: '取消', style: 'cancel' },
+        { text: t('challenges.createCustom.imageUpload.cancel'), style: 'cancel' },
       ],
       { cancelable: true }
     );
-  }, [upload]);
+  }, [upload, t]);
 
   const handleViewChallenge = () => {
     setShareModalVisible(false);
@@ -370,7 +428,7 @@ export default function CreateCustomChallengeScreen() {
     </View>
   );
 
-  const progressMeta = `${durationDays} 天 · ${progressUnit || '天'}`;
+  const progressMeta = `${durationDays} ${t('challenges.createCustom.dayUnit')}${progressUnit ? ` · ${progressUnit}` : ''}`;
   const heroImageSource = imagePreview || image || FALLBACK_IMAGE;
 
   return (
@@ -379,7 +437,7 @@ export default function CreateCustomChallengeScreen() {
         colors={[colorTokens.backgroundGradientStart, colorTokens.backgroundGradientEnd]}
         style={StyleSheet.absoluteFillObject}
       />
-      <HeaderBar title="新建挑战" transparent />
+      <HeaderBar title={isEditMode ? t('challenges.createCustom.editTitle') : t('challenges.createCustom.title')} transparent />
       <KeyboardAvoidingView
         style={{ flex: 1 }}
         behavior={Platform.OS === 'ios' ? 'padding' : undefined}
@@ -403,20 +461,20 @@ export default function CreateCustomChallengeScreen() {
               style={StyleSheet.absoluteFillObject}
             />
             <View style={styles.heroOverlay}>
-              <Text style={styles.heroKicker}>自定义挑战</Text>
+              <Text style={styles.heroKicker}>{t('challenges.customChallenges')}</Text>
-              <Text style={styles.heroTitle}>{title || '你的专属挑战'}</Text>
+              <Text style={styles.heroTitle}>{title || t('challenges.createCustom.yourChallenge')}</Text>
               <Text style={styles.heroMeta}>{progressMeta}</Text>
             </View>
           </View>
 
           <View style={styles.formCard}>
             <View style={styles.formHeader}>
-              <Text style={styles.sectionTitle}>基础信息</Text>
+              <Text style={styles.sectionTitle}>{t('challenges.createCustom.basicInfo')}</Text>
-              {createError ? <Text style={styles.inlineError}>{createError}</Text> : null}
+              {inlineError ? <Text style={styles.inlineError}>{inlineError}</Text> : null}
             </View>
-            {renderField('标题', title, setTitle, '挑战标题（最多100字）')}
+            {renderField(t('challenges.createCustom.fields.title'), title, setTitle, t('challenges.createCustom.fields.titlePlaceholder'))}
             <View style={styles.fieldBlock}>
-              <Text style={styles.fieldLabel}>封面图</Text>
+              <Text style={styles.fieldLabel}>{t('challenges.createCustom.fields.coverImage')}</Text>
               <View style={styles.uploadRow}>
                 <TouchableOpacity
                   activeOpacity={0.9}
@@ -424,7 +482,7 @@ export default function CreateCustomChallengeScreen() {
                   onPress={handlePickImage}
                   disabled={uploading}
                 >
-                  <Text style={styles.uploadButtonLabel}>{uploading ? '上传中…' : '上传封面'}</Text>
+                  <Text style={styles.uploadButtonLabel}>{uploading ? t('challenges.createCustom.imageUpload.uploading') : t('challenges.createCustom.fields.uploadCover')}</Text>
                 </TouchableOpacity>
                 {image || imagePreview ? (
                   <TouchableOpacity
@@ -434,20 +492,20 @@ export default function CreateCustomChallengeScreen() {
                       setImage(undefined);
                     }}
                   >
-                    <Text style={styles.clearUpload}>清除</Text>
+                    <Text style={styles.clearUpload}>{t('challenges.createCustom.imageUpload.clear')}</Text>
                   </TouchableOpacity>
                 ) : null}
               </View>
-              <Text style={styles.helperText}>建议比例 16:9，清晰展示挑战氛围</Text>
+              <Text style={styles.helperText}>{t('challenges.createCustom.imageUpload.helper')}</Text>
             </View>
-            {renderTextarea('挑战说明', summary, setSummary, '简单介绍这个挑战的目标与要求')}
+            {renderTextarea(t('challenges.createCustom.fields.challengeDescription'), summary, setSummary, t('challenges.createCustom.fields.descriptionPlaceholder'))}
           </View>
 
           <View style={styles.formCard}>
-            <Text style={styles.sectionTitle}>挑战设置</Text>
+            <Text style={styles.sectionTitle}>{t('challenges.createCustom.challengeSettings')}</Text>
 
             <View style={styles.fieldBlock}>
-              <Text style={styles.fieldLabel}>挑战类型</Text>
+              <Text style={styles.fieldLabel}>{t('challenges.createCustom.fields.challengeType')}</Text>
               <View style={styles.chipRow}>
                 {typeOptions.map((option) => {
                   const active = option.value === type;
@@ -476,14 +534,14 @@ export default function CreateCustomChallengeScreen() {
             </View>
 
             <View style={styles.fieldBlock}>
-              <Text style={styles.fieldLabel}>时间范围</Text>
+              <Text style={styles.fieldLabel}>{t('challenges.createCustom.fields.timeRange')}</Text>
               <View style={styles.dateRow}>
                 <TouchableOpacity
                   activeOpacity={0.9}
                   style={styles.datePill}
                   onPress={() => setPickerType('start')}
                 >
-                  <Text style={styles.dateLabel}>开始</Text>
+                  <Text style={styles.dateLabel}>{t('challenges.createCustom.fields.start')}</Text>
                   <Text style={styles.dateValue}>{dayjs(startDate).format('YYYY.MM.DD')}</Text>
                 </TouchableOpacity>
                 <TouchableOpacity
@@ -491,7 +549,7 @@ export default function CreateCustomChallengeScreen() {
                   style={styles.datePill}
                   onPress={() => setPickerType('end')}
                 >
-                  <Text style={styles.dateLabel}>结束</Text>
+                  <Text style={styles.dateLabel}>{t('challenges.createCustom.fields.end')}</Text>
                   <Text style={styles.dateValue}>{dayjs(endDate).format('YYYY.MM.DD')}</Text>
                 </TouchableOpacity>
               </View>
@@ -499,48 +557,60 @@ export default function CreateCustomChallengeScreen() {
 
             <View style={styles.inlineFields}>
               <View style={styles.fieldBlock}>
-                <Text style={styles.fieldLabel}>持续时间</Text>
+                <Text style={styles.fieldLabel}>{t('challenges.createCustom.fields.duration')}</Text>
                 <View style={styles.readonlyPill}>
                   <Text style={styles.readonlyText}>{durationLabel}</Text>
                 </View>
               </View>
-              {renderField('周期标签', periodLabel, (v) => {
+              {renderField(t('challenges.createCustom.fields.periodLabel'), periodLabel, (v) => {
                 setPeriodEdited(true);
                 setPeriodLabel(v);
-              }, '如：21天挑战')}
+              }, t('challenges.createCustom.fields.periodLabelPlaceholder'))}
             </View>
 
-            <View style={styles.inlineFields}>
-              {renderField('每日目标值', targetValue, handleTargetInputChange, '如：8', 'numeric')}
             <View style={styles.fieldBlock}>
-                <Text style={styles.fieldLabel}>进度单位</Text>
+              <Text style={styles.fieldLabel}>{t('challenges.createCustom.fields.dailyTargetAndUnit')}</Text>
-                <View style={styles.readonlyPill}>
+              <View style={styles.targetUnitRow}>
-                  <Text style={styles.readonlyText}>{progressUnit}</Text>
+                <TextInput
-                </View>
+                  value={targetValue}
+                  onChangeText={handleTargetInputChange}
+                  placeholder={t('challenges.createCustom.fields.dailyTargetPlaceholder')}
+                  placeholderTextColor="#9ca3af"
+                  style={[styles.input, styles.targetInput]}
+                  keyboardType="numeric"
+                />
+                <TextInput
+                  value={progressUnit}
+                  onChangeText={setProgressUnit}
+                  placeholder={t('challenges.createCustom.fields.unitPlaceholder')}
+                  placeholderTextColor="#9ca3af"
+                  style={[styles.input, styles.unitInput]}
+                />
               </View>
+              <Text style={styles.helperText}>{t('challenges.createCustom.fields.unitHelper')}</Text>
             </View>
 
-            {renderField('最少打卡天数', minimumCheckInDays, handleMinimumDaysChange, '至少1天', 'numeric')}
+            {renderField(t('challenges.createCustom.fields.minimumCheckInDays'), minimumCheckInDays, handleMinimumDaysChange, t('challenges.createCustom.fields.minimumCheckInDaysPlaceholder'), 'numeric')}
 
-            {renderField('挑战要求说明', requirementLabel, setRequirementLabel, '例如：每日完成 30 分钟运动')}
+            {renderField(t('challenges.createCustom.fields.challengeRequirement'), requirementLabel, setRequirementLabel, t('challenges.createCustom.fields.requirementPlaceholder'))}
           </View>
 
           <View style={styles.formCard}>
-            <Text style={styles.sectionTitle}>展示&互动</Text>
+            <Text style={styles.sectionTitle}>{t('challenges.createCustom.displayInteraction')}</Text>
             <View style={styles.inlineFields}>
-              {renderField('参与人数上限', maxParticipants, (v) => {
+              {renderField(t('challenges.createCustom.fields.maxParticipants'), maxParticipants, (v) => {
                 const digits = v.replace(/\D/g, '');
                 if (!digits) {
                   setMaxParticipants('');
                   return;
                 }
                 setMaxParticipants(String(parseInt(digits, 10)));
-              }, '留空表示无限制', 'numeric')}
+              }, t('challenges.createCustom.fields.noLimit'), 'numeric')}
             </View>
             <View style={styles.switchRow}>
               <View>
-                <Text style={styles.fieldLabel}>是否公开</Text>
+                <Text style={styles.fieldLabel}>{t('challenges.createCustom.fields.isPublic')}</Text>
-                <Text style={styles.switchHint}>公开后其他用户可通过邀请码加入</Text>
+                <Text style={styles.switchHint}>{t('challenges.createCustom.fields.publicDescription')}</Text>
               </View>
               <Switch
                 value={isPublic}
@@ -557,14 +627,24 @@ export default function CreateCustomChallengeScreen() {
         <BlurView intensity={14} tint="light" style={styles.floatingBlur}>
           <View style={styles.floatingContent}>
             <View style={styles.floatingCopy}>
-              <Text style={styles.floatingTitle}>生成自定义挑战</Text>
+              <Text style={styles.floatingTitle}>
-              <Text style={styles.floatingSubtitle}>自动创建分享码，邀请好友一起挑战</Text>
+                {isEditMode
+                  ? t('challenges.createCustom.floatingCTA.editTitle')
+                  : t('challenges.createCustom.floatingCTA.title')
+                }
+              </Text>
+              <Text style={styles.floatingSubtitle}>
+                {isEditMode
+                  ? t('challenges.createCustom.floatingCTA.editSubtitle')
+                  : t('challenges.createCustom.floatingCTA.subtitle')
+                }
+              </Text>
             </View>
             <TouchableOpacity
               activeOpacity={0.9}
               style={styles.floatingButton}
               onPress={handleSubmit}
-              disabled={isCreating}
+              disabled={isCreating || isUpdating}
             >
               <LinearGradient
                 colors={['#5E8BFF', '#6B6CFF']}
@@ -573,7 +653,14 @@ export default function CreateCustomChallengeScreen() {
                 style={styles.floatingButtonBackground}
               >
                 <Text style={styles.floatingButtonLabel}>
-                  {isCreating ? '创建中…' : '创建并生成邀请码'}
+                  {isCreating
+                    ? t('challenges.createCustom.buttons.creating')
+                    : isUpdating
+                      ? t('challenges.createCustom.buttons.updating')
+                      : isEditMode
+                        ? t('challenges.createCustom.buttons.updateAndSave')
+                        : t('challenges.createCustom.buttons.createAndGenerateCode')
+                  }
                 </Text>
               </LinearGradient>
             </TouchableOpacity>
@@ -598,10 +685,10 @@ export default function CreateCustomChallengeScreen() {
       >
         <View style={styles.modalOverlay}>
           <View style={styles.shareCard}>
-            <Text style={styles.shareTitle}>邀请码已生成</Text>
+            <Text style={styles.shareTitle}>{t('challenges.createCustom.shareModal.title')}</Text>
-            <Text style={styles.shareSubtitle}>分享给好友即可加入挑战</Text>
+            <Text style={styles.shareSubtitle}>{t('challenges.createCustom.shareModal.subtitle')}</Text>
             <View style={styles.shareCodeBadge}>
-              <Text style={styles.shareCode}>{shareCode ?? '获取中…'}</Text>
+              <Text style={styles.shareCode}>{shareCode ?? t('challenges.createCustom.shareModal.generatingCode')}</Text>
             </View>
             <View style={styles.shareActions}>
               <TouchableOpacity
@@ -610,7 +697,7 @@ export default function CreateCustomChallengeScreen() {
                 onPress={handleCopyShareCode}
                 disabled={!shareCode}
               >
-                <Text style={styles.shareButtonGhostLabel}>复制邀请码</Text>
+                <Text style={styles.shareButtonGhostLabel}>{t('challenges.createCustom.shareModal.copyCode')}</Text>
               </TouchableOpacity>
               <TouchableOpacity
                 activeOpacity={0.9}
@@ -623,7 +710,7 @@ export default function CreateCustomChallengeScreen() {
                   end={{ x: 1, y: 1 }}
                   style={styles.shareButtonPrimary}
                 >
-                  <Text style={styles.shareButtonPrimaryLabel}>查看挑战</Text>
+                  <Text style={styles.shareButtonPrimaryLabel}>{t('challenges.createCustom.shareModal.viewChallenge')}</Text>
                 </LinearGradient>
               </TouchableOpacity>
             </View>
@@ -632,7 +719,7 @@ export default function CreateCustomChallengeScreen() {
               activeOpacity={0.8}
               onPress={() => setShareModalVisible(false)}
             >
-              <Text style={styles.shareCloseLabel}>稍后再说</Text>
+              <Text style={styles.shareCloseLabel}>{t('challenges.createCustom.shareModal.later')}</Text>
             </TouchableOpacity>
           </View>
         </View>
@@ -720,6 +807,16 @@ const styles = StyleSheet.create({
     fontSize: 15,
     color: '#111827',
   },
+  targetUnitRow: {
+    flexDirection: 'row',
+    gap: 12,
+  },
+  targetInput: {
+    flex: 1,
+  },
+  unitInput: {
+    flex: 1,
+  },
   textarea: {
     minHeight: 90,
   },

i18n/index.ts

@@ -903,6 +903,8 @@ const challengeDetailResources = {
     joining: '加入中…',
     leave: '退出挑战',
     leaving: '退出中…',
+    delete: '删除挑战',
+    deleting: '删除中…',
     upcoming: '挑战即将开始',
     expired: '挑战已结束',
   },
@@ -935,6 +937,14 @@ const challengeDetailResources = {
     },
     joinFailed: '加入挑战失败',
     leaveFailed: '退出挑战失败',
+    archiveConfirm: {
+      title: '确认删除该挑战？',
+      message: '删除后将无法恢复，参与者也将无法再访问此挑战。',
+      cancel: '取消',
+      confirm: '删除挑战',
+    },
+    archiveFailed: '删除挑战失败',
+    archiveSuccess: '挑战已删除',
   },
   ranking: {
     title: '排行榜',
@@ -1011,6 +1021,8 @@ const challengeDetailResourcesEn = {
     joining: 'Joining…',
     leave: 'Leave Challenge',
     leaving: 'Leaving…',
+    delete: 'Delete Challenge',
+    deleting: 'Deleting…',
     upcoming: 'Starting Soon',
     expired: 'Challenge Ended',
   },
@@ -1043,6 +1055,14 @@ const challengeDetailResourcesEn = {
     },
     joinFailed: 'Failed to join challenge',
     leaveFailed: 'Failed to leave challenge',
+    archiveConfirm: {
+      title: 'Delete this challenge?',
+      message: 'This cannot be undone and participants will lose access.',
+      cancel: 'Cancel',
+      confirm: 'Delete Challenge',
+    },
+    archiveFailed: 'Failed to delete challenge',
+    archiveSuccess: 'Challenge deleted',
   },
   ranking: {
     title: 'Leaderboard',
@@ -1172,6 +1192,103 @@ const resources = {
           ongoing: '进行中',
           expired: '已结束',
         },
+        createCustom: {
+          title: '新建挑战',
+          editTitle: '编辑挑战',
+          yourChallenge: '你的专属挑战',
+          defaultTitle: '自定义挑战',
+          basicInfo: '基础信息',
+          challengeSettings: '挑战设置',
+          displayInteraction: '展示&互动',
+          durationDays: '持续{{days}}天',
+          durationDaysChallenge: '{{days}}天挑战',
+          dayUnit: '天',
+          typeLabels: {
+            water: '喝水',
+            exercise: '运动',
+            diet: '饮食',
+            sleep: '睡眠',
+            mood: '心情',
+            weight: '体重',
+          },
+          fields: {
+            title: '标题',
+            titlePlaceholder: '挑战标题（最多100字）',
+            coverImage: '封面图',
+            uploadCover: '上传封面',
+            challengeDescription: '挑战说明',
+            descriptionPlaceholder: '简单介绍这个挑战的目标与要求',
+            challengeType: '挑战类型',
+            timeRange: '时间范围',
+            start: '开始',
+            end: '结束',
+            duration: '持续时间',
+            periodLabel: '周期标签',
+            periodLabelPlaceholder: '如：21天挑战',
+            dailyTargetAndUnit: '每日目标值与进度单位',
+            dailyTargetPlaceholder: '如：8',
+            unitPlaceholder: '单位',
+            unitHelper: '进度单位表示每日目标的计量单位，如：次、杯、分钟、页等',
+            minimumCheckInDays: '最少打卡天数',
+            minimumCheckInDaysPlaceholder: '至少1天',
+            challengeRequirement: '挑战要求说明',
+            requirementPlaceholder: '例如：每日完成 30 分钟运动',
+            maxParticipants: '参与人数上限',
+            noLimit: '留空表示无限制',
+            isPublic: '是否公开',
+            publicDescription: '公开后其他用户可通过邀请码加入',
+          },
+          buttons: {
+            createAndGenerateCode: '创建并生成邀请码',
+            updateAndSave: '保存修改',
+            creating: '创建中…',
+            updating: '更新中…',
+          },
+          floatingCTA: {
+            title: '生成自定义挑战',
+            editTitle: '编辑自定义挑战',
+            subtitle: '自动创建分享码，邀请好友一起挑战',
+            editSubtitle: '修改挑战信息，编辑后保存',
+          },
+          shareModal: {
+            title: '邀请码已生成',
+            subtitle: '分享给好友即可加入挑战',
+            copyCode: '复制邀请码',
+            viewChallenge: '查看挑战',
+            later: '稍后再说',
+            generatingCode: '获取中…',
+          },
+          alerts: {
+            titleRequired: '请填写挑战标题',
+            requirementRequired: '请填写挑战要求说明',
+            endTimeError: '结束时间需要晚于开始时间',
+            targetValueError: '每日目标值需在 1-1000 之间',
+            minimumDaysError: '最少打卡天数需在 1-365 之间',
+            minimumDaysExceedError: '最少打卡天数不能超过持续天数',
+            participantsError: '参与人数需在 2-10000 之间，或留空表示无限制',
+            createSuccess: '自定义挑战已创建',
+            updateSuccess: '挑战已更新',
+            createFailed: '创建失败，请稍后再试',
+          },
+          imageUpload: {
+            uploading: '上传中…',
+            clear: '清除',
+            helper: '建议比例 16:9，清晰展示挑战氛围',
+            selectSource: '选择封面图',
+            camera: '拍照',
+            album: '从相册选择',
+            cancel: '取消',
+            cameraPermission: '权限不足',
+            cameraPermissionMessage: '需要相机权限以拍摄封面',
+            albumPermissionMessage: '需要相册权限以选择封面',
+            uploadFailed: '上传失败',
+            uploadFailedMessage: '封面上传失败，请稍后重试',
+            cameraFailed: '拍照失败',
+            cameraFailedMessage: '无法打开相机，请稍后再试',
+            selectFailed: '选择失败',
+            selectFailedMessage: '无法打开相册，请稍后再试',
+          },
+        },
       },
     },
   },
@@ -2030,6 +2147,103 @@ const resources = {
           ongoing: 'Ongoing',
           expired: 'Expired',
         },
+        createCustom: {
+          title: 'New Challenge',
+          editTitle: 'Edit Challenge',
+          yourChallenge: 'Your Custom Challenge',
+          defaultTitle: 'Custom Challenge',
+          basicInfo: 'Basic Info',
+          challengeSettings: 'Challenge Settings',
+          displayInteraction: 'Display & Interaction',
+          durationDays: 'Duration {{days}} days',
+          durationDaysChallenge: '{{days}}-Day Challenge',
+          dayUnit: 'day',
+          typeLabels: {
+            water: 'Water',
+            exercise: 'Exercise',
+            diet: 'Diet',
+            sleep: 'Sleep',
+            mood: 'Mood',
+            weight: 'Weight',
+          },
+          fields: {
+            title: 'Title',
+            titlePlaceholder: 'Challenge title (max 100 characters)',
+            coverImage: 'Cover Image',
+            uploadCover: 'Upload Cover',
+            challengeDescription: 'Challenge Description',
+            descriptionPlaceholder: 'Brief introduction to the challenge goals and requirements',
+            challengeType: 'Challenge Type',
+            timeRange: 'Time Range',
+            start: 'Start',
+            end: 'End',
+            duration: 'Duration',
+            periodLabel: 'Period Label',
+            periodLabelPlaceholder: 'e.g., 21-Day Challenge',
+            dailyTargetAndUnit: 'Daily Target & Unit',
+            dailyTargetPlaceholder: 'e.g., 8',
+            unitPlaceholder: 'Unit',
+            unitHelper: 'Progress unit represents the measurement unit for daily goals, such as: times, cups, minutes, pages, etc.',
+            minimumCheckInDays: 'Minimum Check-in Days',
+            minimumCheckInDaysPlaceholder: 'At least 1 day',
+            challengeRequirement: 'Challenge Requirement',
+            requirementPlaceholder: 'e.g., Complete 30 minutes of exercise daily',
+            maxParticipants: 'Max Participants',
+            noLimit: 'Leave empty for unlimited',
+            isPublic: 'Public',
+            publicDescription: 'Others can join via invite code when public',
+          },
+          buttons: {
+            createAndGenerateCode: 'Create & Generate Code',
+            updateAndSave: 'Save Changes',
+            creating: 'Creating…',
+            updating: 'Updating…',
+          },
+          floatingCTA: {
+            title: 'Generate Custom Challenge',
+            editTitle: 'Edit Custom Challenge',
+            subtitle: 'Automatically create share code to invite friends',
+            editSubtitle: 'Modify challenge information, save after editing',
+          },
+          shareModal: {
+            title: 'Invite Code Generated',
+            subtitle: 'Share with friends to join the challenge',
+            copyCode: 'Copy Invite Code',
+            viewChallenge: 'View Challenge',
+            later: 'Later',
+            generatingCode: 'Generating…',
+          },
+          alerts: {
+            titleRequired: 'Please enter challenge title',
+            requirementRequired: 'Please enter challenge requirement description',
+            endTimeError: 'End time must be later than start time',
+            targetValueError: 'Daily target value must be between 1-1000',
+            minimumDaysError: 'Minimum check-in days must be between 1-365',
+            minimumDaysExceedError: 'Minimum check-in days cannot exceed duration days',
+            participantsError: 'Participants must be between 2-10000, or leave empty for unlimited',
+            createSuccess: 'Custom challenge created',
+            updateSuccess: 'Challenge updated',
+            createFailed: 'Creation failed, please try again later',
+          },
+          imageUpload: {
+            uploading: 'Uploading…',
+            clear: 'Clear',
+            helper: 'Recommended ratio 16:9, clearly display challenge atmosphere',
+            selectSource: 'Select Cover Image',
+            selectMessage: 'Please select image source',
+            camera: 'Camera',
+            album: 'From Album',
+            cancel: 'Cancel',
+            cameraPermission: 'Permission Denied',
+            cameraPermissionMessage: 'Camera permission is required to take cover photo',
+            uploadFailed: 'Upload Failed',
+            uploadFailedMessage: 'Cover upload failed, please try again later',
+            cameraFailed: 'Camera Failed',
+            cameraFailedMessage: 'Unable to open camera, please try again later',
+            selectFailed: 'Selection Failed',
+            selectFailedMessage: 'Unable to open album, please try again later',
+          },
+        },
       },
     },
   },

services/challengesApi.ts

@@ -70,8 +70,6 @@ export type ChallengeListItemDto = {
   isPublic?: boolean;
   maxParticipants?: number | null;
   challengeState?: ChallengeState;
-  progressUnit?: string;
-  targetValue?: number;
   summary?: string | null;
 };
 
@@ -114,6 +112,17 @@ export type CreateCustomChallengePayload = {
   maxParticipants?: number | null;
 };
 
+export type UpdateCustomChallengePayload = {
+  title?: string;
+  image?: string;
+  summary?: string;
+  isPublic?: boolean;
+  maxParticipants?: number;
+  highlightTitle?: string;
+  highlightSubtitle?: string;
+  ctaLabel?: string;
+};
+
 export async function listChallenges(): Promise<ChallengeListItemDto[]> {
   return api.get<ChallengeListItemDto[]>('/challenges');
 }
@@ -190,3 +199,14 @@ export async function regenerateChallengeShareCode(
     `/challenges/custom/${encodeURIComponent(id)}/regenerate-code`
   );
 }
+
+export async function updateCustomChallenge(
+  id: string,
+  payload: UpdateCustomChallengePayload
+): Promise<ChallengeDetailDto> {
+  return api.put<ChallengeDetailDto>(`/challenges/custom/${encodeURIComponent(id)}`, payload);
+}
+
+export async function archiveCustomChallenge(id: string): Promise<boolean> {
+  return api.delete<boolean>(`/challenges/custom/${encodeURIComponent(id)}`);
+}

store/challengesSlice.ts

@@ -10,6 +10,8 @@ import {
   type ChallengeStatus,
   type CreateCustomChallengePayload,
   type RankingItemDto,
+  type UpdateCustomChallengePayload,
+  archiveCustomChallenge,
   createCustomChallenge,
   getChallengeByShareCode,
   getChallengeDetail,
@@ -19,6 +21,7 @@ import {
   leaveChallenge as leaveChallengeApi,
   listChallenges,
   reportChallengeProgress as reportChallengeProgressApi,
+  updateCustomChallenge,
 } from '@/services/challengesApi';
 import { createAsyncThunk, createSelector, createSlice } from '@reduxjs/toolkit';
 import type { RootState } from './index';
@@ -63,6 +66,10 @@ type ChallengesState = {
   rankingError: Record<string, string | undefined>;
   createStatus: AsyncStatus;
   createError?: string;
+  updateStatus: AsyncStatus;
+  updateError?: string;
+  archiveStatus: Record<string, AsyncStatus>;
+  archiveError: Record<string, string | undefined>;
   joinByCodeStatus: AsyncStatus;
   joinByCodeError?: string;
 };
@@ -86,6 +93,10 @@ const initialState: ChallengesState = {
   rankingError: {},
   createStatus: 'idle',
   createError: undefined,
+  updateStatus: 'idle',
+  updateError: undefined,
+  archiveStatus: {},
+  archiveError: {},
   joinByCodeStatus: 'idle',
   joinByCodeError: undefined,
 };
@@ -210,6 +221,31 @@ export const joinChallengeByCode = createAsyncThunk<
   }
 });
 
+export const updateCustomChallengeThunk = createAsyncThunk<
+  ChallengeDetail,
+  { id: string; payload: UpdateCustomChallengePayload },
+  { rejectValue: string }
+>('challenges/updateCustom', async ({ id, payload }, { rejectWithValue }) => {
+  try {
+    return await updateCustomChallenge(id, payload);
+  } catch (error) {
+    return rejectWithValue(toErrorMessage(error));
+  }
+});
+
+export const archiveCustomChallengeThunk = createAsyncThunk<
+  { id: string },
+  string,
+  { rejectValue: string }
+>('challenges/archiveCustom', async (id, { rejectWithValue }) => {
+  try {
+    await archiveCustomChallenge(id);
+    return { id };
+  } catch (error) {
+    return rejectWithValue(toErrorMessage(error));
+  }
+});
+
 const challengesSlice = createSlice({
   name: 'challenges',
   initialState,
@@ -394,6 +430,55 @@ const challengesSlice = createSlice({
         state.createError = action.payload ?? toErrorMessage(action.error);
       });
 
+    builder
+      .addCase(updateCustomChallengeThunk.pending, (state) => {
+        state.updateStatus = 'loading';
+        state.updateError = undefined;
+      })
+      .addCase(updateCustomChallengeThunk.fulfilled, (state, action) => {
+        state.updateStatus = 'succeeded';
+        state.updateError = undefined;
+        const challenge = action.payload;
+        const existing = state.entities[challenge.id];
+        const source = ChallengeSource.CUSTOM;
+        state.entities[challenge.id] = { ...(existing ?? {}), ...challenge, source };
+      })
+      .addCase(updateCustomChallengeThunk.rejected, (state, action) => {
+        state.updateStatus = 'failed';
+        state.updateError = action.payload ?? toErrorMessage(action.error);
+      });
+
+    builder
+      .addCase(archiveCustomChallengeThunk.pending, (state, action) => {
+        const id = action.meta.arg;
+        state.archiveStatus[id] = 'loading';
+        state.archiveError[id] = undefined;
+      })
+      .addCase(archiveCustomChallengeThunk.fulfilled, (state, action) => {
+        const { id } = action.payload;
+        state.archiveStatus[id] = 'succeeded';
+        state.archiveError[id] = undefined;
+        delete state.entities[id];
+        state.orderedIds = state.orderedIds.filter((itemId) => itemId !== id);
+        delete state.detailStatus[id];
+        delete state.detailError[id];
+        delete state.joinStatus[id];
+        delete state.joinError[id];
+        delete state.leaveStatus[id];
+        delete state.leaveError[id];
+        delete state.progressStatus[id];
+        delete state.progressError[id];
+        delete state.rankingList[id];
+        delete state.rankingStatus[id];
+        delete state.rankingLoadMoreStatus[id];
+        delete state.rankingError[id];
+      })
+      .addCase(archiveCustomChallengeThunk.rejected, (state, action) => {
+        const id = action.meta.arg;
+        state.archiveStatus[id] = 'failed';
+        state.archiveError[id] = action.payload ?? toErrorMessage(action.error);
+      });
+
     builder
       .addCase(joinChallengeByCode.pending, (state) => {
         state.joinByCodeStatus = 'loading';
@@ -545,8 +630,8 @@ export const selectChallengeCards = createSelector([selectChallengeList], (chall
       source: challenge.source,
       shareCode: challenge.shareCode ?? null,
       challengeState: challenge.challengeState,
-      progressUnit: challenge.progressUnit,
+      progressUnit: challenge.unit,
-      targetValue: challenge.targetValue,
+      targetValue: challenge.progress?.target,
       isCreator: challenge.isCreator,
     };
   })
@@ -578,8 +663,8 @@ export const selectCustomChallengeCards = createSelector(
         source: challenge.source ?? ChallengeSource.CUSTOM,
         shareCode: challenge.shareCode ?? null,
         challengeState: challenge.challengeState,
-        progressUnit: challenge.progressUnit,
+        progressUnit: challenge.unit,
-        targetValue: challenge.targetValue,
+        targetValue: challenge.progress?.target,
         isCreator: challenge.isCreator,
       };
     })
@@ -611,8 +696,8 @@ export const selectOfficialChallengeCards = createSelector(
         source: challenge.source ?? ChallengeSource.SYSTEM,
         shareCode: challenge.shareCode ?? null,
         challengeState: challenge.challengeState,
-        progressUnit: challenge.progressUnit,
+        progressUnit: challenge.unit,
-        targetValue: challenge.targetValue,
+        targetValue: challenge.progress?.target,
         isCreator: challenge.isCreator,
       };
     })
@@ -676,3 +761,19 @@ export const selectJoinByCodeError = createSelector(
   [selectChallengesState],
   (state) => state.joinByCodeError
 );
+
+export const selectUpdateChallengeStatus = createSelector(
+  [selectChallengesState],
+  (state) => state.updateStatus
+);
+
+export const selectUpdateChallengeError = createSelector(
+  [selectChallengesState],
+  (state) => state.updateError
+);
+
+export const selectArchiveStatus = (id: string) =>
+  createSelector([selectChallengesState], (state) => state.archiveStatus[id] ?? 'idle');
+
+export const selectArchiveError = (id: string) =>
+  createSelector([selectChallengesState], (state) => state.archiveError[id]);