diff --git a/internal/middleware/repository.go b/internal/middleware/repository.go
index f28f1b5..3d65fb9 100644
--- a/internal/middleware/repository.go
+++ b/internal/middleware/repository.go
@@ -1,7 +1,3 @@
 package middleware
 
-// tokenVersionStore 最小接口：AuthMiddleware 不再需要此接口（session 替换 JWT）
-// 保留占位，待后续清理
-type tokenVersionStore interface {
-	FindTokenVersion(userID uint) (int, error)
-}
+// repository.go: JWT tokenVersionStore 接口已随 Session 迁移移除，保留占位，后续清理。
diff --git a/internal/repository/user_repo.go b/internal/repository/user_repo.go
index 323fa00..4f0af6c 100644
--- a/internal/repository/user_repo.go
+++ b/internal/repository/user_repo.go
@@ -74,28 +74,11 @@ func (r *UserRepo) ExistsByEmailExclude(email string, excludeUID uint) (bool, er
 	return count > 0, err
 }
 
-// IncrementTokenVersion 递增用户令牌版本，使所有已签发的 JWT 即时失效
-func (r *UserRepo) IncrementTokenVersion(userID uint) error {
-	return r.db.Unscoped().Model(&model.User{}).Where("uid = ?", userID).
-		UpdateColumn("token_version", gorm.Expr("token_version + 1")).Error
-}
-
-// FindTokenVersion 按 UID 查询当前令牌版本（轻量查询，仅 SELECT token_version）
-func (r *UserRepo) FindTokenVersion(userID uint) (int, error) {
-	var version int
-	err := r.db.Model(&model.User{}).
-		Select("token_version").
-		Where("uid = ?", userID).
-		Scan(&version).Error
-	return version, err
-}
-
-// FindByIDForAuth 认证专用查询：返回 uid/email/username/role/status/token_version
+// FindByIDForAuth 认证专用查询：返回 uid/email/username/role/status
 // 比 FindByID 轻量（不查 avatar、bio 等无用字段），避免全量 SELECT *
-// 使用默认 scope（排除软删除），locked 用户不可持有有效 JWT
 func (r *UserRepo) FindByIDForAuth(userID uint) (*model.User, error) {
 	var user model.User
-	err := r.db.Select("uid", "email", "username", "role", "status", "token_version").
+	err := r.db.Select("uid", "email", "username", "role", "status").
 		First(&user, userID).Error
 	if err != nil {
 		return nil, err
@@ -106,7 +89,7 @@ func (r *UserRepo) FindByIDForAuth(userID uint) (*model.User, error) {
 // FindByIDUnscoped 管理后台专用：含软删除用户，用于解锁/封禁等操作
 func (r *UserRepo) FindByIDUnscoped(userID uint) (*model.User, error) {
 	var user model.User
-	err := r.db.Unscoped().Select("uid", "email", "username", "role", "status", "token_version", "deleted_at").
+	err := r.db.Unscoped().Select("uid", "email", "username", "role", "status", "deleted_at").
 		First(&user, userID).Error
 	if err != nil {
 		return nil, err
diff --git a/internal/service/admin_service.go b/internal/service/admin_service.go
index 7ab641a..2f8bfd6 100644
--- a/internal/service/admin_service.go
+++ b/internal/service/admin_service.go
@@ -95,21 +95,15 @@ func (s *AdminService) UpdateUserStatus(operatorUID, targetUID uint, newStatus s
 				return err
 			}
 		}
-		// 修改状态必须立刻让已有 session 失效 + 递增 token_version（向后兼容）
-		if err := s.sessionManager.DestroyByUID(target.ID); err != nil {
-			return err
-		}
-		return s.userRepo.IncrementTokenVersion(target.ID)
+		// 修改状态必须立刻让已有 session 失效
+		return s.sessionManager.DestroyByUID(target.ID)
 	})
 }
 
-// ResetUserToken 强制下线：销毁所有 session + 递增 token_version
+// ResetUserToken 强制下线：销毁所有 session
 func (s *AdminService) ResetUserToken(operatorUID, targetUID uint) error {
 	return s.checkAndOperate(operatorUID, targetUID, func(_ *model.User, target *model.User) error {
-		if err := s.sessionManager.DestroyByUID(target.ID); err != nil {
-			return err
-		}
-		return s.userRepo.IncrementTokenVersion(target.ID)
+		return s.sessionManager.DestroyByUID(target.ID)
 	})
 }
 
diff --git a/internal/service/auth_service.go b/internal/service/auth_service.go
index a4c529b..a4ad3d6 100644
--- a/internal/service/auth_service.go
+++ b/internal/service/auth_service.go
@@ -259,11 +259,7 @@ func (s *AuthService) DeleteAccount(userID uint, password, reason string) error
 		return err
 	}
 
-	// 删除所有 session + 递增 token_version（向后兼容）
-	if err := s.invalidateSessions(userID); err != nil {
-		return err
-	}
-	return s.userRepo.IncrementTokenVersion(userID)
+	return s.invalidateSessions(userID)
 }
 
 // invalidateSessions 销毁某用户的所有 session（内部方法）
@@ -273,10 +269,7 @@ func (s *AuthService) invalidateSessions(userID uint) error {
 
 // InvalidateSessions 公开方法：销毁用户所有 session（供 admin 等外部调用）
 func (s *AuthService) InvalidateSessions(userID uint) error {
-	if err := s.invalidateSessions(userID); err != nil {
-		return err
-	}
-	return s.userRepo.IncrementTokenVersion(userID)
+	return s.sessionManager.DestroyByUID(userID)
 }
 
 // UpdateProfile 修改个人资料
diff --git a/internal/service/repository.go b/internal/service/repository.go
index 566a6d6..5546036 100644
--- a/internal/service/repository.go
+++ b/internal/service/repository.go
@@ -2,14 +2,13 @@ package service
 
 import "metazone.cc/metalab/internal/model"
 
-// userAuthStore AuthService 所需的最小仓储接口（ISP：8 个方法）
+// userAuthStore AuthService 所需的最小仓储接口（ISP：7 个方法）
 type userAuthStore interface {
 	ExistsByEmail(email string) (bool, error)
 	Create(user *model.User) error
 	FindByEmail(email string) (*model.User, error)
 	FindByID(id uint) (*model.User, error)
 	Update(user *model.User) error
-	IncrementTokenVersion(userID uint) error
 	ExistsByUsername(username string) (bool, error)
 }
 
@@ -18,7 +17,7 @@ type userTokenStore interface {
 	FindByIDForAuth(userID uint) (*model.User, error)
 }
 
-// userAdminStore AdminService 所需的最小仓储接口
+// userAdminStore AdminService 所需的最小仓储接口（ISP：7 个方法）
 type userAdminStore interface {
 	CountSearchUsers(keyword, role, status string) (int64, error)
 	SearchUsers(keyword, role, status string, offset, limit int) ([]model.User, error)
@@ -27,7 +26,6 @@ type userAdminStore interface {
 	SoftDelete(uid uint) error
 	Restore(uid uint) error
 	ExistsByEmailExclude(email string, excludeUID uint) (bool, error)
-	IncrementTokenVersion(userID uint) error
 }
 
 // postStore PostService 所需的最小仓储接口