diff --git a/internal/database/db.go b/internal/database/db.go
index fcc4bb3..2b87f1b 100644
--- a/internal/database/db.go
+++ b/internal/database/db.go
@@ -70,7 +70,6 @@ func createTables() error {
 
 	CREATE TABLE IF NOT EXISTS kfz_token (
 		id INTEGER PRIMARY KEY AUTOINCREMENT,
-		login_name TEXT NOT NULL DEFAULT '',
 		username TEXT NOT NULL,
 		password TEXT NOT NULL DEFAULT '',
 		token TEXT NOT NULL,
@@ -96,9 +95,8 @@ func createTables() error {
 		return err
 	}
 
-	// 兼容旧表：添加 password / login_name 列（已存在则忽略）
+	// 兼容旧表：添加 password 列（已存在则忽略）
 	DB.Exec(`ALTER TABLE kfz_token ADD COLUMN password TEXT NOT NULL DEFAULT ''`)
-	DB.Exec(`ALTER TABLE kfz_token ADD COLUMN login_name TEXT NOT NULL DEFAULT ''`)
 
 	return nil
 }
diff --git a/internal/handler/kfz_handler.go b/internal/handler/kfz_handler.go
index 48836a5..b6f4f39 100644
--- a/internal/handler/kfz_handler.go
+++ b/internal/handler/kfz_handler.go
@@ -61,10 +61,10 @@ func (h *KfzHandler) KfzLogin(w http.ResponseWriter, r *http.Request) {
 	userInfo.Token = token
 
 	// 保存账号密码和token到数据库
-	if err := h.tokenRepo.UpsertByLoginName(username, userInfo.Nickname, password, token); err != nil {
+	if err := h.tokenRepo.UpsertByUsername(username, password, token); err != nil {
 		log.Printf("[KfzLogin] 保存Token记录失败: %v, 来源IP: %s", err, clientIP)
 	} else {
-		log.Printf("[KfzLogin] 账号密码已保存到数据库: login_name=%s, nickname=%s", username, userInfo.Nickname)
+		log.Printf("[KfzLogin] 账号密码已保存到数据库: username=%s", username)
 	}
 
 	log.Printf("[KfzLogin] 登录成功: username=%s, userId=%d, nickname=%s, 来源IP: %s", username, userInfo.UserID, userInfo.Nickname, clientIP)
diff --git a/internal/handler/token_handler.go b/internal/handler/token_handler.go
index 52bc3ff..08d4884 100644
--- a/internal/handler/token_handler.go
+++ b/internal/handler/token_handler.go
@@ -71,7 +71,7 @@ func (h *TokenHandler) BatchAddTokens(w http.ResponseWriter, r *http.Request) {
 			continue
 		}
 
-		id, err := h.tokenRepo.Insert("", input.Username, "", input.Token, true)
+		id, err := h.tokenRepo.Insert(input.Username, "", input.Token, true)
 		if err != nil {
 			log.Printf("[Token/BatchAdd] 第%d条插入失败: username=%s, 错误=%v", i+1, input.Username, err)
 			failed = append(failed, input)
@@ -196,7 +196,7 @@ func (h *TokenHandler) UpdateToken(w http.ResponseWriter, r *http.Request) {
 	}
 
 	log.Printf("[Token/Update] 更新: id=%d, username=%s, is_enable=%v, 来源IP: %s", id, username, isEnable, clientIP)
-	err = h.tokenRepo.Update(id, "", username, "", token, isEnable)
+	err = h.tokenRepo.Update(id, username, "", token, isEnable)
 	if err != nil {
 		log.Printf("[Token/Update] 更新失败: id=%d, 错误=%v, 来源IP: %s", id, err, clientIP)
 		w.Header().Set("Content-Type", "application/json")
diff --git a/internal/repository/token_repository.go b/internal/repository/token_repository.go
index 5847720..24253b7 100644
--- a/internal/repository/token_repository.go
+++ b/internal/repository/token_repository.go
@@ -11,12 +11,11 @@ import (
 
 // KfzToken Token记录
 type KfzToken struct {
-	ID        int64
-	LoginName string
-	Username  string
-	Password  string
-	Token     string
-	IsEnable  bool
+	ID       int64
+	Username string
+	Password string
+	Token    string
+	IsEnable bool
 }
 
 // TokenRepository Token仓储
@@ -67,11 +66,11 @@ func (r *TokenRepository) BatchInsert(tokens []string, username string) (int64,
 	return id, nil
 }
 
-// Insert 插入单条Token记录
-func (r *TokenRepository) Insert(loginName, username, password, token string, isEnable bool) (int64, error) {
-	query := `INSERT INTO kfz_token (login_name, username, password, token, is_enable) VALUES (?, ?, ?, ?, ?)`
+// Insert 插入单条Token记录（含密码）
+func (r *TokenRepository) Insert(username, password, token string, isEnable bool) (int64, error) {
+	query := `INSERT INTO kfz_token (username, password, token, is_enable) VALUES (?, ?, ?, ?)`
 
-	result, err := database.DB.Exec(query, loginName, username, password, token, isEnable)
+	result, err := database.DB.Exec(query, username, password, token, isEnable)
 	if err != nil {
 		return 0, fmt.Errorf("插入失败: %w", err)
 	}
@@ -84,35 +83,35 @@ func (r *TokenRepository) Insert(loginName, username, password, token string, is
 	return id, nil
 }
 
-// UpsertByLoginName 根据登录名插入或更新记录
-func (r *TokenRepository) UpsertByLoginName(loginName, username, password, token string) error {
+// UpsertByUsername 根据用户名插入或更新记录（含密码和token）
+func (r *TokenRepository) UpsertByUsername(username, password, token string) error {
 	var count int
-	err := database.DB.QueryRow("SELECT COUNT(*) FROM kfz_token WHERE login_name = ?", loginName).Scan(&count)
+	err := database.DB.QueryRow("SELECT COUNT(*) FROM kfz_token WHERE username = ?", username).Scan(&count)
 	if err != nil {
 		return fmt.Errorf("查询记录失败: %w", err)
 	}
 
 	if count == 0 {
 		_, err = database.DB.Exec(
-			`INSERT INTO kfz_token (login_name, username, password, token, is_enable) VALUES (?, ?, ?, ?, 1)`,
-			loginName, username, password, token,
+			`INSERT INTO kfz_token (username, password, token, is_enable) VALUES (?, ?, ?, 1)`,
+			username, password, token,
 		)
 	} else {
 		_, err = database.DB.Exec(
-			`UPDATE kfz_token SET username = ?, password = ?, token = ?, is_enable = 1 WHERE login_name = ?`,
-			username, password, token, loginName,
+			`UPDATE kfz_token SET password = ?, token = ?, is_enable = 1 WHERE username = ?`,
+			password, token, username,
 		)
 	}
 	if err != nil {
 		return fmt.Errorf("保存Token记录失败: %w", err)
 	}
-	log.Printf("[Repo/Token] 保存Token成功: login_name=%s, username=%s", loginName, username)
+	log.Printf("[Repo/Token] 保存Token成功: username=%s", username)
 	return nil
 }
 
 // GetAll 查询所有记录
 func (r *TokenRepository) GetAll() ([]*KfzToken, error) {
-	query := `SELECT id, login_name, username, token, is_enable FROM kfz_token ORDER BY id ASC`
+	query := `SELECT id, username, token, is_enable FROM kfz_token ORDER BY id ASC`
 
 	rows, err := database.DB.Query(query)
 	if err != nil {
@@ -123,7 +122,7 @@ func (r *TokenRepository) GetAll() ([]*KfzToken, error) {
 	var records []*KfzToken
 	for rows.Next() {
 		var rec KfzToken
-		err := rows.Scan(&rec.ID, &rec.LoginName, &rec.Username, &rec.Token, &rec.IsEnable)
+		err := rows.Scan(&rec.ID, &rec.Username, &rec.Token, &rec.IsEnable)
 		if err != nil {
 			return nil, fmt.Errorf("扫描失败: %w", err)
 		}
@@ -135,12 +134,12 @@ func (r *TokenRepository) GetAll() ([]*KfzToken, error) {
 
 // GetByID 根据ID查询单条记录
 func (r *TokenRepository) GetByID(id int64) (*KfzToken, error) {
-	query := `SELECT id, login_name, username, password, token, is_enable FROM kfz_token WHERE id = ?`
+	query := `SELECT id, username, password, token, is_enable FROM kfz_token WHERE id = ?`
 
 	row := database.DB.QueryRow(query, id)
 
 	var rec KfzToken
-	err := row.Scan(&rec.ID, &rec.LoginName, &rec.Username, &rec.Password, &rec.Token, &rec.IsEnable)
+	err := row.Scan(&rec.ID, &rec.Username, &rec.Password, &rec.Token, &rec.IsEnable)
 	if err != nil {
 		if err == sql.ErrNoRows {
 			return nil, fmt.Errorf("记录不存在")
@@ -151,14 +150,14 @@ func (r *TokenRepository) GetByID(id int64) (*KfzToken, error) {
 	return &rec, nil
 }
 
-// GetByLoginName 根据登录名查询记录
-func (r *TokenRepository) GetByLoginName(loginName string) (*KfzToken, error) {
-	query := `SELECT id, login_name, username, password, token, is_enable FROM kfz_token WHERE login_name = ?`
+// GetByUsername 根据用户名查询记录（含密码）
+func (r *TokenRepository) GetByUsername(username string) (*KfzToken, error) {
+	query := `SELECT id, username, password, token, is_enable FROM kfz_token WHERE username = ?`
 
-	row := database.DB.QueryRow(query, loginName)
+	row := database.DB.QueryRow(query, username)
 
 	var rec KfzToken
-	err := row.Scan(&rec.ID, &rec.LoginName, &rec.Username, &rec.Password, &rec.Token, &rec.IsEnable)
+	err := row.Scan(&rec.ID, &rec.Username, &rec.Password, &rec.Token, &rec.IsEnable)
 	if err != nil {
 		if err == sql.ErrNoRows {
 			return nil, nil
@@ -170,10 +169,10 @@ func (r *TokenRepository) GetByLoginName(loginName string) (*KfzToken, error) {
 }
 
 // Update 更新记录
-func (r *TokenRepository) Update(id int64, loginName, username, password, token string, isEnable bool) error {
-	query := `UPDATE kfz_token SET login_name = ?, username = ?, password = ?, token = ?, is_enable = ? WHERE id = ?`
+func (r *TokenRepository) Update(id int64, username, password, token string, isEnable bool) error {
+	query := `UPDATE kfz_token SET username = ?, password = ?, token = ?, is_enable = ? WHERE id = ?`
 
-	result, err := database.DB.Exec(query, loginName, username, password, token, isEnable, id)
+	result, err := database.DB.Exec(query, username, password, token, isEnable, id)
 	if err != nil {
 		return fmt.Errorf("更新失败: %w", err)
 	}
@@ -223,7 +222,7 @@ func (r *TokenRepository) Delete(id int64) error {
 
 // GetEnabledTokens 获取所有启用状态的Token
 func (r *TokenRepository) GetEnabledTokens() ([]*KfzToken, error) {
-	query := `SELECT id, login_name, username, password, token, is_enable FROM kfz_token WHERE is_enable = 1 ORDER BY id ASC`
+	query := `SELECT id, username, password, token, is_enable FROM kfz_token WHERE is_enable = 1 ORDER BY id ASC`
 
 	rows, err := database.DB.Query(query)
 	if err != nil {
@@ -234,7 +233,7 @@ func (r *TokenRepository) GetEnabledTokens() ([]*KfzToken, error) {
 	var records []*KfzToken
 	for rows.Next() {
 		var rec KfzToken
-		err := rows.Scan(&rec.ID, &rec.LoginName, &rec.Username, &rec.Password, &rec.Token, &rec.IsEnable)
+		err := rows.Scan(&rec.ID, &rec.Username, &rec.Password, &rec.Token, &rec.IsEnable)
 		if err != nil {
 			return nil, fmt.Errorf("扫描失败: %w", err)
 		}