diff --git a/backend/internal/api/error_cleaner.go b/backend/internal/api/error_cleaner.go
index d02fadb..0bd2704 100644
--- a/backend/internal/api/error_cleaner.go
+++ b/backend/internal/api/error_cleaner.go
@@ -1,11 +1,15 @@
 package api
 
 import (
+	"encoding/json"
 	"fmt"
+	"io"
+	"net/http"
 	"strconv"
 	"sync"
 	"time"
 
+	"codex-pool/internal/config"
 	"codex-pool/internal/database"
 	"codex-pool/internal/logger"
 )
@@ -64,6 +68,128 @@ func StopErrorCleanerService() {
 	}
 }
 
+// getTotalAccountCount 获取 S2A 总账号数
+func getTotalAccountCount() (int, error) {
+	if config.Global == nil || config.Global.S2AApiBase == "" {
+		return 0, fmt.Errorf("S2A 配置未设置")
+	}
+
+	client := &http.Client{Timeout: 30 * time.Second}
+	url := fmt.Sprintf("%s/api/v1/admin/dashboard", config.Global.S2AApiBase)
+
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		return 0, err
+	}
+	setS2AHeaders(req)
+
+	resp, err := client.Do(req)
+	if err != nil {
+		return 0, err
+	}
+	defer resp.Body.Close()
+
+	body, _ := io.ReadAll(resp.Body)
+
+	var result struct {
+		Code int `json:"code"`
+		Data struct {
+			TotalAccounts int `json:"total_accounts"`
+		} `json:"data"`
+	}
+	if err := json.Unmarshal(body, &result); err != nil {
+		return 0, err
+	}
+
+	return result.Data.TotalAccounts, nil
+}
+
+// triggerAutoRefill 触发自动补号
+func triggerAutoRefill(count int) {
+	if database.Instance == nil {
+		return
+	}
+
+	// 检查是否有待处理的母号
+	pendingOwners, err := database.Instance.GetPendingOwners()
+	if err != nil || len(pendingOwners) == 0 {
+		logger.Warning("自动补号跳过: 无可用母号", "", "cleaner")
+		return
+	}
+
+	// 每个母号产生 4 个账号（默认），计算需要多少母号
+	membersPerTeam := 4
+	if val, _ := database.Instance.GetConfig("monitor_members_per_team"); val != "" {
+		if v, err := strconv.Atoi(val); err == nil && v > 0 {
+			membersPerTeam = v
+		}
+	}
+
+	// 计算需要处理的母号数量
+	needOwners := (count + membersPerTeam - 1) / membersPerTeam
+	if needOwners > len(pendingOwners) {
+		needOwners = len(pendingOwners)
+	}
+	if needOwners < 1 {
+		needOwners = 1
+	}
+
+	// 读取补号配置
+	concurrentTeams := 2
+	if val, _ := database.Instance.GetConfig("monitor_concurrent_teams"); val != "" {
+		if v, err := strconv.Atoi(val); err == nil && v > 0 {
+			concurrentTeams = v
+		}
+	}
+	s2aConcurrency := 2
+	if val, _ := database.Instance.GetConfig("monitor_s2a_concurrency"); val != "" {
+		if v, err := strconv.Atoi(val); err == nil && v > 0 {
+			s2aConcurrency = v
+		}
+	}
+	browserType := "chromedp"
+	if val, _ := database.Instance.GetConfig("monitor_browser_type"); val != "" {
+		browserType = val
+	}
+	useProxy := false
+	if val, _ := database.Instance.GetConfig("monitor_replenish_use_proxy"); val == "true" {
+		useProxy = true
+	}
+
+	proxy := ""
+	if useProxy {
+		proxy = config.Global.GetProxy()
+	}
+
+	logger.Info(fmt.Sprintf("自动补号启动: 处理 %d 个母号，预计补充 %d 个账号", needOwners, needOwners*membersPerTeam), "", "cleaner")
+
+	// 构建请求
+	owners := make([]TeamOwner, 0, needOwners)
+	for i := 0; i < needOwners && i < len(pendingOwners); i++ {
+		owners = append(owners, TeamOwner{
+			Email:     pendingOwners[i].Email,
+			Password:  pendingOwners[i].Password,
+			Token:     pendingOwners[i].Token,
+			AccountID: pendingOwners[i].AccountID,
+		})
+	}
+
+	req := TeamProcessRequest{
+		Owners:          owners,
+		MembersPerTeam:  membersPerTeam,
+		ConcurrentTeams: concurrentTeams,
+		ConcurrentS2A:   s2aConcurrency,
+		BrowserType:     browserType,
+		Headless:        true,
+		Proxy:           proxy,
+		IncludeOwner:    false,
+		ProcessCount:    needOwners,
+	}
+
+	// 异步启动处理（避免阻塞清理服务）
+	go runTeamProcess(req)
+}
+
 // checkAndCleanErrors 检查配置并清理错误账号
 func checkAndCleanErrors() {
 	if database.Instance == nil {
@@ -79,6 +205,13 @@ func checkAndCleanErrors() {
 		return
 	}
 
+	// 获取清理前的总账号数
+	totalBefore, err := getTotalAccountCount()
+	if err != nil {
+		logger.Warning(fmt.Sprintf("获取总账号数失败: %v", err), "", "cleaner")
+		totalBefore = 0
+	}
+
 	// 获取错误账号列表
 	errorAccounts, err := fetchAllErrorAccounts()
 	if err != nil {
@@ -110,6 +243,34 @@ func checkAndCleanErrors() {
 
 	lastCleanTime = time.Now()
 	logger.Success(fmt.Sprintf("定期清理错误账号完成: 成功=%d, 失败=%d, 总数=%d", success, failed, len(errorAccounts)), "", "cleaner")
+
+	// 检查是否需要触发自动补号
+	autoRefillEnabled := false
+	if val, _ := database.Instance.GetConfig("auto_refill_on_cleanup"); val == "true" {
+		autoRefillEnabled = true
+	}
+
+	if autoRefillEnabled && totalBefore > 0 && success > 0 {
+		// 阈值默认 25%
+		threshold := 25
+		if val, _ := database.Instance.GetConfig("auto_refill_threshold"); val != "" {
+			if v, err := strconv.Atoi(val); err == nil && v > 0 && v <= 100 {
+				threshold = v
+			}
+		}
+
+		// 计算是否达到阈值
+		thresholdCount := totalBefore * threshold / 100
+		if thresholdCount < 1 {
+			thresholdCount = 1
+		}
+
+		if success >= thresholdCount {
+			logger.Info(fmt.Sprintf("清理触发自动补号: 已删除 %d 个 (总数 %d，阈值 %d%%)，将补充 %d 个账号",
+				success, totalBefore, threshold, success), "", "cleaner")
+			triggerAutoRefill(success)
+		}
+	}
 }
 
 // GetCleanerStatus 获取清理服务状态
@@ -119,6 +280,9 @@ func GetCleanerStatus() map[string]interface{} {
 
 	enabled := false
 	interval := 3600
+	autoRefill := false
+	autoRefillThreshold := 25
+
 	if database.Instance != nil {
 		if val, _ := database.Instance.GetConfig("error_clean_enabled"); val == "true" {
 			enabled = true
@@ -128,12 +292,22 @@ func GetCleanerStatus() map[string]interface{} {
 				interval = v
 			}
 		}
+		if val, _ := database.Instance.GetConfig("auto_refill_on_cleanup"); val == "true" {
+			autoRefill = true
+		}
+		if val, _ := database.Instance.GetConfig("auto_refill_threshold"); val != "" {
+			if v, err := strconv.Atoi(val); err == nil {
+				autoRefillThreshold = v
+			}
+		}
 	}
 
 	return map[string]interface{}{
-		"running":         cleanerRunning,
-		"enabled":         enabled,
-		"interval":        interval,
-		"last_clean_time": lastCleanTime.Format(time.RFC3339),
+		"running":               cleanerRunning,
+		"enabled":               enabled,
+		"interval":              interval,
+		"last_clean_time":       lastCleanTime.Format(time.RFC3339),
+		"auto_refill":           autoRefill,
+		"auto_refill_threshold": autoRefillThreshold,
 	}
 }
diff --git a/backend/internal/database/sqlite.go b/backend/internal/database/sqlite.go
index e32de35..1772697 100644
--- a/backend/internal/database/sqlite.go
+++ b/backend/internal/database/sqlite.go
@@ -147,6 +147,20 @@ func (d *DB) createTables() error {
 		);
 
 		CREATE INDEX IF NOT EXISTS idx_codex_auth_proxies_enabled ON codex_auth_proxies(is_enabled);
+
+		-- 日志持久化表
+		CREATE TABLE IF NOT EXISTS app_logs (
+			id INTEGER PRIMARY KEY AUTOINCREMENT,
+			timestamp DATETIME NOT NULL,
+			level TEXT NOT NULL,
+			message TEXT NOT NULL,
+			email TEXT,
+			module TEXT NOT NULL
+		);
+
+		CREATE INDEX IF NOT EXISTS idx_app_logs_timestamp ON app_logs(timestamp);
+		CREATE INDEX IF NOT EXISTS idx_app_logs_module ON app_logs(module);
+		CREATE INDEX IF NOT EXISTS idx_app_logs_level ON app_logs(level);
 	`)
 	return err
 }
@@ -1008,6 +1022,186 @@ func (d *DB) GetCodexProxyStats() map[string]int {
 	return stats
 }
 
+// ========================
+// 日志持久化相关方法
+// ========================
+
+// LogEntry 日志条目
+type LogEntry struct {
+	ID        int64     `json:"id"`
+	Timestamp time.Time `json:"timestamp"`
+	Level     string    `json:"level"`
+	Message   string    `json:"message"`
+	Email     string    `json:"email,omitempty"`
+	Module    string    `json:"module,omitempty"`
+}
+
+// InsertLog 插入日志
+func (d *DB) InsertLog(timestamp time.Time, level, message, email, module string) error {
+	_, err := d.db.Exec(`
+		INSERT INTO app_logs (timestamp, level, message, email, module)
+		VALUES (?, ?, ?, ?, ?)
+	`, timestamp, level, message, email, module)
+	return err
+}
+
+// GetLogs 获取最近的日志
+func (d *DB) GetLogs(limit int) ([]LogEntry, error) {
+	if limit <= 0 {
+		limit = 100
+	}
+	if limit > 1000 {
+		limit = 1000
+	}
+
+	rows, err := d.db.Query(`
+		SELECT id, timestamp, level, message, COALESCE(email, ''), module
+		FROM app_logs
+		ORDER BY timestamp DESC
+		LIMIT ?
+	`, limit)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var logs []LogEntry
+	for rows.Next() {
+		var log LogEntry
+		if err := rows.Scan(&log.ID, &log.Timestamp, &log.Level, &log.Message, &log.Email, &log.Module); err != nil {
+			continue
+		}
+		logs = append(logs, log)
+	}
+
+	// 反转顺序（让最新的在后面，符合日志显示习惯）
+	for i, j := 0, len(logs)-1; i < j; i, j = i+1, j-1 {
+		logs[i], logs[j] = logs[j], logs[i]
+	}
+
+	return logs, nil
+}
+
+// GetLogsByModule 按模块获取日志
+func (d *DB) GetLogsByModule(module string, page, pageSize int) ([]LogEntry, int, error) {
+	if page < 1 {
+		page = 1
+	}
+	if pageSize <= 0 {
+		pageSize = 20
+	}
+
+	// 获取总数
+	var total int
+	d.db.QueryRow("SELECT COUNT(*) FROM app_logs WHERE module = ?", module).Scan(&total)
+
+	offset := (page - 1) * pageSize
+	rows, err := d.db.Query(`
+		SELECT id, timestamp, level, message, COALESCE(email, ''), module
+		FROM app_logs
+		WHERE module = ?
+		ORDER BY timestamp DESC
+		LIMIT ? OFFSET ?
+	`, module, pageSize, offset)
+	if err != nil {
+		return nil, 0, err
+	}
+	defer rows.Close()
+
+	var logs []LogEntry
+	for rows.Next() {
+		var log LogEntry
+		if err := rows.Scan(&log.ID, &log.Timestamp, &log.Level, &log.Message, &log.Email, &log.Module); err != nil {
+			continue
+		}
+		logs = append(logs, log)
+	}
+
+	return logs, total, nil
+}
+
+// GetLogsByModuleAndLevel 按模块和级别获取日志
+func (d *DB) GetLogsByModuleAndLevel(module, level string, page, pageSize int) ([]LogEntry, int, error) {
+	if page < 1 {
+		page = 1
+	}
+	if pageSize <= 0 {
+		pageSize = 20
+	}
+
+	// 构建查询
+	countQuery := "SELECT COUNT(*) FROM app_logs WHERE module = ?"
+	selectQuery := `
+		SELECT id, timestamp, level, message, COALESCE(email, ''), module
+		FROM app_logs
+		WHERE module = ?`
+	args := []interface{}{module}
+
+	if level != "" {
+		countQuery += " AND level = ?"
+		selectQuery += " AND level = ?"
+		args = append(args, level)
+	}
+
+	// 获取总数
+	var total int
+	d.db.QueryRow(countQuery, args...).Scan(&total)
+
+	offset := (page - 1) * pageSize
+	selectQuery += " ORDER BY timestamp DESC LIMIT ? OFFSET ?"
+	args = append(args, pageSize, offset)
+
+	rows, err := d.db.Query(selectQuery, args...)
+	if err != nil {
+		return nil, 0, err
+	}
+	defer rows.Close()
+
+	var logs []LogEntry
+	for rows.Next() {
+		var log LogEntry
+		if err := rows.Scan(&log.ID, &log.Timestamp, &log.Level, &log.Message, &log.Email, &log.Module); err != nil {
+			continue
+		}
+		logs = append(logs, log)
+	}
+
+	return logs, total, nil
+}
+
+// ClearLogs 清空所有日志
+func (d *DB) ClearLogs() error {
+	_, err := d.db.Exec("DELETE FROM app_logs")
+	return err
+}
+
+// ClearLogsByModule 按模块清空日志
+func (d *DB) ClearLogsByModule(module string) (int64, error) {
+	result, err := d.db.Exec("DELETE FROM app_logs WHERE module = ?", module)
+	if err != nil {
+		return 0, err
+	}
+	return result.RowsAffected()
+}
+
+// CleanupOldLogs 清理旧日志（保留最近 N 条）
+func (d *DB) CleanupOldLogs(keepCount int) (int64, error) {
+	if keepCount <= 0 {
+		keepCount = 5000
+	}
+
+	result, err := d.db.Exec(`
+		DELETE FROM app_logs
+		WHERE id NOT IN (
+			SELECT id FROM app_logs ORDER BY timestamp DESC LIMIT ?
+		)
+	`, keepCount)
+	if err != nil {
+		return 0, err
+	}
+	return result.RowsAffected()
+}
+
 // Close 关闭数据库
 func (d *DB) Close() error {
 	if d.db != nil {
diff --git a/backend/internal/logger/logger.go b/backend/internal/logger/logger.go
index 7295c98..01d3cd1 100644
--- a/backend/internal/logger/logger.go
+++ b/backend/internal/logger/logger.go
@@ -6,6 +6,8 @@ import (
 	"strings"
 	"sync"
 	"time"
+
+	"codex-pool/internal/database"
 )
 
 // LogEntry 日志条目
@@ -17,7 +19,7 @@ type LogEntry struct {
 	Module    string    `json:"module,omitempty"`
 }
 
-// 日志存储
+// 日志存储（内存缓存 + 数据库持久化）
 var (
 	logs      = make([]LogEntry, 0, 1000)
 	logsMu    sync.RWMutex
@@ -80,6 +82,7 @@ func log(level, message, email, module string) {
 		Module:    module,
 	}
 
+	// 1. 内存缓存
 	logsMu.Lock()
 	if len(logs) >= 1000 {
 		logs = logs[100:]
@@ -87,8 +90,16 @@ func log(level, message, email, module string) {
 	logs = append(logs, entry)
 	logsMu.Unlock()
 
+	// 2. 广播给监听器
 	broadcast(entry)
 
+	// 3. 持久化到数据库（异步，避免阻塞）
+	go func() {
+		if database.Instance != nil {
+			database.Instance.InsertLog(entry.Timestamp, level, message, email, module)
+		}
+	}()
+
 	// 打印到控制台 (带时间戳和颜色)
 	timestamp := entry.Timestamp.Format("15:04:05")
 
@@ -259,11 +270,16 @@ func GetLogsByModule(module string, page, pageSize int) ([]LogEntry, int) {
 	return filtered[start:end], total
 }
 
-// ClearLogs 清空日志
+// ClearLogs 清空日志（内存 + 数据库）
 func ClearLogs() {
 	logsMu.Lock()
 	defer logsMu.Unlock()
 	logs = make([]LogEntry, 0, 1000)
+
+	// 同时清空数据库
+	if database.Instance != nil {
+		database.Instance.ClearLogs()
+	}
 }
 
 // GetLogsByModuleAndLevel 按模块和级别筛选日志并分页（最新的在前）
@@ -303,12 +319,12 @@ func GetLogsByModuleAndLevel(module, level string, page, pageSize int) ([]LogEnt
 	return filtered[start:end], total
 }
 
-// ClearLogsByModule 按模块清除日志
+// ClearLogsByModule 按模块清除日志（内存 + 数据库）
 func ClearLogsByModule(module string) int {
 	logsMu.Lock()
 	defer logsMu.Unlock()
 
-	// 过滤掉指定模块的日志
+	// 过滤掉指定模块的日志（内存）
 	var newLogs []LogEntry
 	cleared := 0
 	for _, log := range logs {
@@ -319,5 +335,14 @@ func ClearLogsByModule(module string) int {
 		}
 	}
 	logs = newLogs
+
+	// 同时清空数据库
+	if database.Instance != nil {
+		dbCleared, _ := database.Instance.ClearLogsByModule(module)
+		if dbCleared > int64(cleared) {
+			cleared = int(dbCleared)
+		}
+	}
+
 	return cleared
 }
diff --git a/chatgpt-owner-demote b/chatgpt-owner-demote
new file mode 160000
index 0000000..861cecb
--- /dev/null
+++ b/chatgpt-owner-demote
@@ -0,0 +1 @@
+Subproject commit 861cecbf4204fabecfd8f6848d67fc729a23836b