好的，试过了所有方法——启动了一个新的 droplet：
更新操作系统/Docker- 停止容器
- 删除 app.yml
- discourse-setup = 升级到 PG10
重建失败（bootstrap 错误看起来和昨天的完全一样）
我能看到的错误如下：
1) 错误：数据库 “discourse” 已存在
2022-05-20 10:35:29.889 UTC [42] LOG: 数据库系统已准备好接受连接
I, [2022-05-20T10:35:34.789986 #1] INFO – :
I, [2022-05-20T10:35:34.790259 #1] INFO – : > su postgres -c ‘createdb discourse’ || true
2022-05-20 10:35:34.839 UTC [55] postgres@postgres ERROR: 数据库 “discourse” 已存在
2022-05-20 10:35:34.839 UTC [55] postgres@postgres STATEMENT: CREATE DATABASE discourse;
createdb: 错误：数据库创建失败：错误：数据库 “discourse” 已存在
2) “index_poll_options_on_poll_id_and_digest”
I, [2022-05-20T10:29:54.464874 #1] INFO -- : > cd /var/www/discourse && su discourse -c 'bundle exec rake db:migrate'
2022-05-20 10:29:58.275 UTC [664] discourse@discourse ERROR: 重复键值违反唯一约束 **"index_poll_options_on_poll_id_and_digest"**
2022-05-20 10:29:58.275 UTC [664] discourse@discourse DETAIL: 键 (poll_id, digest)=(163, 84b9c1be0d88b6592595e6e16827dbc1) 已存在。
2022-05-20 10:29:58.275 UTC [664] discourse@discourse STATEMENT: INSERT INTO poll_options
(poll_id, digest, html, anonymous_votes, created_at, updated_at)
VALUES
(163, 'e8b71c653ce9b67fbfdeb23956415a45', '<2%', 0, '2019-03-16 12:37:50 UTC', '2019-03-16 12:37:50 UTC'),(163, '19aab1c9ed0e7bf7aff0dc154f3f349a', '3%', 0, '2019-03-16 12:37:50 UTC', '2019-03-16 12:37:50 UTC'),(163, 'ba429f197b4f9f3ce89f4e1fb2e8b009', '4%', 1, '2019-03-16 12:37:50 UTC', '2019-03-16 12:37:50 UTC'),(163, '30eb71c6082b75ca751c3d4e94aa386c', '5%', 0, '2019-03-16 12:37:50 UTC', '2019-03-16 12:37:50 UTC'),(163, '7575912ab29a386e8f6797e280aca664', '6%', 0, '2019-03-16 12:37:50 UTC', '2019-03-16 12:37:50 UTC'),(163, '17950b1d5d660a2e8a078640be0def0a', '7%', 0, '2019-03-16 12:37:50 UTC', '2019-03-16 12:37:50 UTC'),(163, '1c4e675eb7d2d561f16d1afce8330816', '8%', 0, '2019-03-16 12:37:50 UTC', '2019-03-16 12:37:50 UTC'),(163, 'a891f2abb4531189affefe9896df814e', '9%', 0, '2019-03-16 12:37:50 UTC', '2019-03-16 12:37:50 UTC'),(163, 'd7d8f9a60fc4dc25f2e6a986b12e5176', '10%', 0, '2019-03-16 12:37:50 UTC', '2019-03-16 12:37:50 UTC'),(163, '3d5e680f80b95ddbf99490991327349a', '11%', 0, '2019-03-16 12:37:50 UTC', '2019-03-16 12:37:50 UTC'),(163, '84b9c1be0d88b6592595e6e16827dbc1', '12%', 0, '2019-03-16 12:37:50 UTC', '2019-03-16 12:37:50 UTC'),(163, '84b9c1be0d88b6592595e6e16827dbc1', '<blockquote>
<p>12%</p>
</blockquote>', 0, '2019-03-16 12:37:50 UTC', '2019-03-16 12:37:50 UTC')
RETURNING digest, id
rake aborted!
StandardError: 发生错误，此迁移及后续所有迁移已取消：
ERROR: 重复键值违反唯一约束 "index_poll_options_on_poll_id_and_digest"
DETAIL: 键 (poll_id, digest)=(163, 84b9c1be0d88b6592595e6e16827dbc1) 已存在。
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/rack-mini-profiler-3.0.0/lib/patches/db/pg.rb:110:in `exec'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/rack-mini-profiler-3.0.0/lib/patches/db/pg.rb:110:in `async_exec'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/mini_sql-1.4.0/lib/mini_sql/postgres/connection.rb:209:in `run'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/mini_sql-1.4.0/lib/mini_sql/active_record_postgres/connection.rb:38:in `block in run'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/mini_sql-1.4.0/lib/mini_sql/active_record_postgres/connection.rb:34:in `block in with_lock'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activesupport-7.0.3/lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `handle_interrupt'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activesupport-7.0.3/lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `block in synchronize'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activesupport-7.0.3/lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `handle_interrupt'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activesupport-7.0.3/lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `synchronize'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/mini_sql-1.4.0/lib/mini_sql/active_record_postgres/connection.rb:34:in `with_lock'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/mini_sql-1.4.0/lib/mini_sql/active_record_postgres/connection.rb:38:in `run'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/mini_sql-1.4.0/lib/mini_sql/postgres/connection.rb:64:in `query_single'
/var/www/discourse/plugins/poll/db/migrate/20180820080623_migrate_polls_data.rb:131:in `block (2 levels) in up'
/var/www/discourse/plugins/poll/db/migrate/20180820080623_migrate_polls_data.rb:87:in `each'
/var/www/discourse/plugins/poll/db/migrate/20180820080623_migrate_polls_data.rb:87:in `block in up'
/var/www/discourse/plugins/poll/db/migrate/20180820080623_migrate_polls_data.rb:64:in `each'
/var/www/discourse/plugins/poll/db/migrate/20180820080623_migrate_polls_data.rb:64:in `up'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:873:in `public_send'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:873:in `exec_migration'
/var/www/discourse/lib/freedom_patches/schema_migration_details.rb:9:in `block in exec_migration'
/var/www/discourse/lib/freedom_patches/schema_migration_details.rb:8:in `exec_migration'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:854:in `block (2 levels) in migrate'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:853:in `block in migrate'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:215:in `with_connection'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:852:in `migrate'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1046:in `migrate'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1360:in `block in execute_migration_in_transaction'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/connection_adapters/abstract/transaction.rb:319:in `block in within_new_transaction'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activesupport-7.0.3/lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `handle_interrupt'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activesupport-7.0.3/lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `block in synchronize'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activesupport-7.0.3/lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `handle_interrupt'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activesupport-7.0.3/lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `synchronize'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/connection_adapters/abstract/transaction.rb:317:in `within_new_transaction'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/connection_adapters/abstract/database_statements.rb:316:in `transaction'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/transactions.rb:209:in `transaction'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1411:in `ddl_transaction'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1359:in `execute_migration_in_transaction'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1333:in `each'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1333:in `migrate_without_lock'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1282:in `block in migrate'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1432:in `block in with_advisory_lock'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:215:in `with_connection'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1447:in `with_advisory_lock_connection'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1428:in `with_advisory_lock'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1282:in `migrate'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1117:in `up'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1092:in `migrate'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/tasks/database_tasks.rb:262:in `migrate'
/var/www/discourse/lib/tasks/db.rake:227:in `block (2 levels) in <main>'
/var/www/discourse/lib/distributed_mutex.rb:33:in `block in synchronize'
/var/www/discourse/lib/distributed_mutex.rb:29:in `synchronize'
/var/www/discourse/lib/distributed_mutex.rb:29:in `synchronize'
/var/www/discourse/lib/distributed_mutex.rb:14:in `synchronize'
/var/www/discourse/lib/tasks/db.rake:210:in `block in <main>'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/rake-13.0.6/exe/rake:27:in `<top (required)>'
/usr/local/bin/bundle:25:in `load'
/usr/local/bin/bundle:25:in `<main>'
Caused by:
PG::UniqueViolation: ERROR: 重复键值违反唯一约束 "index_poll_options_on_poll_id_and_digest"
DETAIL: 键 (poll_id, digest)=(163, 84b9c1be0d88b6592595e6e16827dbc1) 已存在。
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/rack-mini-profiler-3.0.0/lib/patches/db/pg.rb:110:in `exec'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/rack-mini-profiler-3.0.0/lib/patches/db/pg.rb:110:in `async_exec'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/mini_sql-1.4.0/lib/mini_sql/postgres/connection.rb:209:in `run'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/mini_sql-1.4.0/lib/mini_sql/active_record_postgres/connection.rb:38:in `block in run'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/mini_sql-1.4.0/lib/mini_sql/active_record_postgres/connection.rb:34:in `block in with_lock'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activesupport-7.0.3/lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `handle_interrupt'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activesupport-7.0.3/lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `block in synchronize'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activesupport-7.0.3/lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `handle_interrupt'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activesupport-7.0.3/lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `synchronize'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/mini_sql-1.4.0/lib/mini_sql/active_record_postgres/connection.rb:34:in `with_lock'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/mini_sql-1.4.0/lib/mini_sql/active_record_postgres/connection.rb:38:in `run'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/mini_sql-1.4.0/lib/mini_sql/postgres/connection.rb:64:in `query_single'
/var/www/discourse/plugins/poll/db/migrate/20180820080623_migrate_polls_data.rb:131:in `block (2 levels) in up'
/var/www/discourse/plugins/poll/db/migrate/20180820080623_migrate_polls_data.rb:87:in `each'
/var/www/discourse/plugins/poll/db/migrate/20180820080623_migrate_polls_data.rb:87:in `block in up'
/var/www/discourse/plugins/poll/db/migrate/20180820080623_migrate_polls_data.rb:64:in `each'
/var/www/discourse/plugins/poll/db/migrate/20180820080623_migrate_polls_data.rb:64:in `up'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:873:in `public_send'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:873:in `exec_migration'
/var/www/discourse/lib/freedom_patches/schema_migration_details.rb:9:in `block in exec_migration'
/var/www/discourse/lib/freedom_patches/schema_migration_details.rb:8:in `exec_migration'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:854:in `block (2 levels) in migrate'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:853:in `block in migrate'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:215:in `with_connection'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:852:in `migrate'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1046:in `migrate'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1360:in `block in execute_migration_in_transaction'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/connection_adapters/abstract/transaction.rb:319:in `block in within_new_transaction'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activesupport-7.0.3/lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `handle_interrupt'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activesupport-7.0.3/lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `block in synchronize'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activesupport-7.0.3/lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `handle_interrupt'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activesupport-7.0.3/lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `synchronize'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/connection_adapters/abstract/transaction.rb:317:in `within_new_transaction'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/connection_adapters/abstract/database_statements.rb:316:in `transaction'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/transactions.rb:209:in `transaction'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1411:in `ddl_transaction'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1359:in `execute_migration_in_transaction'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1333:in `each'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1333:in `migrate_without_lock'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1282:in `block in migrate'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1432:in `block in with_advisory_lock'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:215:in `with_connection'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1447:in `with_advisory_lock_connection'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1428:in `with_advisory_lock'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1282:in `migrate'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1117:in `up'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/migration.rb:1092:in `migrate'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/activerecord-7.0.3/lib/active_record/tasks/database_tasks.rb:262:in `migrate'
/var/www/discourse/lib/tasks/db.rake:227:in `block (2 levels) in <main>'
/var/www/discourse/lib/distributed_mutex.rb:33:in `block in synchronize'
/var/www/discourse/lib/distributed_mutex.rb:29:in `synchronize'
/var/www/discourse/lib/distributed_mutex.rb:29:in `synchronize'
/var/www/discourse/lib/distributed_mutex.rb:14:in `synchronize'
/var/www/discourse/lib/tasks/db.rake:210:in `block in <main>'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/rake-13.0.6/exe/rake:27:in `<top (required)>'
/usr/local/bin/bundle:25:in `load'
/usr/local/bin/bundle:25:in `<main>'
Tasks: TOP => db:migrate
（通过运行任务并添加 --trace 参数可查看完整堆栈跟踪）
I, [2022-05-20T10:29:58.305849 #1] INFO -- : == 20180820073549 CreatePollsTables: 迁移中 ================================
-- create_table(:polls, {})
-> 0.0172s
-- add_index(:polls, [:post_id, :name], {:unique=>true})
-> 0.0016s
-- create_table(:poll_options, {})
-> 0.0064s
-- add_index(:poll_options, [:poll_id, :digest], {:unique=>true})
-> 0.0018s
-- create_table(:poll_votes, {:id=>false})
-> 0.0067s
-- add_index(:poll_votes, [:poll_id, :poll_option_id, :user_id], {:unique=>true})
-> 0.0013s
== 20180820073549 CreatePollsTables: 迁移完成 (0.0376s) =======================
结束
I, [2022-05-20T10:29:58.308710 #1] INFO – : 终止异步进程
I, [2022-05-20T10:29:58.308759 #1] INFO – : 向 HOME=/var/lib/postgresql USER=postgres exec chpst -u postgres:postgres:ssl-cert -U postgres:postgres:ssl-cert /usr/lib/postgresql/13/bin/postmaster -D /etc/postgresql/13/main pid: 42 发送 INT 信号
I, [2022-05-20T10:29:58.308837 #1] INFO – : 向 exec chpst -u redis -U redis /usr/bin/redis-server /etc/redis/redis.conf pid: 103 发送 TERM 信号
2022-05-20 10:29:58.308 UTC [42] LOG: 收到快速关闭请求
103:signal-handler (1653042598) 收到 SIGTERM，计划关闭…
103:M 20 May 2022 10:29:58.310 # 用户请求关闭…
103:M 20 May 2022 10:29:58.310 * 退出前保存最终 RDB 快照。
2022-05-20 10:29:58.310 UTC [42] LOG: 中止任何活跃事务
2022-05-20 10:29:58.312 UTC [42] LOG: 后台工作进程 “logical replication launcher” (PID 51) 以退出代码 1 退出
2022-05-20 10:29:58.312 UTC [46] LOG: 正在关闭
2022-05-20 10:29:58.392 UTC [42] LOG: 数据库系统已关闭
103:M 20 May 2022 10:29:58.601 * 数据库已保存到磁盘
103:M 20 May 2022 10:29:58.602 # Redis 现在可以退出，再见…
失败
Pups::ExecError: cd /var/www/discourse && su discourse -c ‘bundle exec rake db:migrate’ 执行失败，返回状态码 #<Process::Status: pid 650 exit 1>
失败位置：/usr/local/lib/ruby/gems/2.7.0/gems/pups-1.1.1/lib/pups/exec_command.rb:117:in `spawn’
执行失败，参数如下：{“cd”=>“$home”, “hook”=>“db_migrate”, “cmd”=>[“su discourse -c ‘bundle exec rake db:migrate’”]}
bootstrap 以退出代码 1 失败
**** 启动失败 ** 请向上滚动查看更早的错误信息，可能不止一条。**
./discourse-doctor 可能有助于诊断问题。
我已多次运行 discourse doctor，包括这次，但并未发现任何我能识别的问题。