修复导入用户丢失问题

src/app/api/admin/data_migration/import/route.ts

@@ -165,11 +165,8 @@ export async function POST(req: NextRequest) {
     const userData = importData.data.userData;
     for (const username in userData) {
       const user = userData[username];
-
-      // 重新注册用户（包含密码）- 仅用于旧版用户
-      if (user.password && !importData.data.usersV2?.find((u: any) => u.username === username)) {
-        await db.registerUser(username, user.password);
-      }
+      await db.createUserV2(username, user.password,user.role,user.tags);
+      
 
       // 导入播放记录
       if (user.playRecords) {
@@ -201,13 +198,6 @@ export async function POST(req: NextRequest) {
           }
         }
       }
-
-      // 标记播放记录已迁移（新导入的数据直接使用hash结构）
-      const storage = (db as any).storage;
-      if (storage && typeof storage.client?.hSet === 'function') {
-        const userInfoKey = `user:${username}:info`;
-        await storage.client.hSet(userInfoKey, 'playrecord_migrated', 'true');
-      }
     }
 
     return NextResponse.json({