diff --git a/src/observer/ob_partition_location_updater.h b/src/observer/ob_partition_location_updater.h
index d4fce74ed..72a7cf017 100644
--- a/src/observer/ob_partition_location_updater.h
+++ b/src/observer/ob_partition_location_updater.h
@@ -16,6 +16,7 @@
 #include "share/ob_srv_rpc_proxy.h"
 #include "observer/ob_uniq_task_queue.h"
 #include "share/partition_table/ob_partition_location_task.h"
+#include "share/ob_alive_server_tracer.h"
 namespace oceanbase {
 namespace storage {
 class ObIAliveServerTracer;
diff --git a/src/rootserver/CMakeLists.txt b/src/rootserver/CMakeLists.txt
index 897f20875..3a5fc16ae 100644
--- a/src/rootserver/CMakeLists.txt
+++ b/src/rootserver/CMakeLists.txt
@@ -59,38 +59,6 @@ ob_set_subtarget(ob_rootserver common
   ob_rs_job_table_operator.cpp
   ob_rs_reentrant_thread.cpp
   ob_schema2ddl_sql.cpp
-  ob_server_balance_plan.cpp
-  ob_server_balancer.cpp
-  ob_server_checker.cpp
-  ob_server_manager.cpp
-  ob_server_table_operator.cpp
-  ob_shrink_resource_pool_checker.cpp
-  ob_single_partition_balance.cpp
-  ob_single_zone_mode_migrate_replica.cpp
-  ob_snapshot_info_manager.cpp
-  ob_system_admin_util.cpp
-  ob_thread_idling.cpp
-  ob_unit_balancer.cpp
-  ob_unit_manager.cpp
-  ob_unit_placement_strategy.cpp
-  ob_unit_stat_manager.cpp
-  ob_update_rs_list_task.cpp
-  ob_schema_spliter.cpp
-  ob_schema_split_executor.cpp
-  ob_upgrade_executor.cpp
-  ob_upgrade_storage_format_version_executor.cpp
-  ob_create_inner_schema_executor.cpp
-  ob_schema_revise_executor.cpp
-  ob_vtable_location_getter.cpp
-  ob_zone_manager.cpp
-  ob_zone_unit_provider.cpp
-  ob_partition_backup.cpp
-  ob_backup_cancel_scheduler.cpp
-  ob_restore_point_service.cpp
-  ob_log_archive_scheduler.cpp
-  ob_backup_data_clean_scheduler.cpp
-  ob_backup_data_clean.cpp
-  ob_schema_history_recycler.cpp
 )
 
 ob_set_subtarget(ob_rootserver vt
@@ -135,6 +103,42 @@ ob_set_subtarget(ob_rootserver backup
   backup/ob_cancel_delete_backup_scheduler.cpp
 )
 
+ob_set_subtarget(ob_rootserver task
+  ob_update_rs_list_task.cpp
+  ob_server_balance_plan.cpp
+  ob_server_balancer.cpp
+  ob_server_checker.cpp
+  ob_server_manager.cpp
+  ob_server_table_operator.cpp
+  ob_shrink_resource_pool_checker.cpp
+  ob_single_partition_balance.cpp
+  ob_single_zone_mode_migrate_replica.cpp
+  ob_snapshot_info_manager.cpp
+  ob_system_admin_util.cpp
+  ob_thread_idling.cpp
+  ob_unit_balancer.cpp
+  ob_unit_manager.cpp
+  ob_unit_placement_strategy.cpp
+  ob_unit_stat_manager.cpp
+  ob_backup_cancel_scheduler.cpp
+  ob_schema_spliter.cpp
+  ob_schema_split_executor.cpp
+  ob_upgrade_executor.cpp
+  ob_upgrade_storage_format_version_executor.cpp
+  ob_create_inner_schema_executor.cpp
+  ob_schema_revise_executor.cpp
+  ob_vtable_location_getter.cpp
+  ob_zone_manager.cpp
+  ob_zone_unit_provider.cpp
+  ob_partition_backup.cpp
+  ob_backup_cancel_scheduler.cpp
+  ob_restore_point_service.cpp
+  ob_log_archive_scheduler.cpp
+  ob_backup_data_clean_scheduler.cpp
+  ob_backup_data_clean.cpp
+  ob_schema_history_recycler.cpp
+)
+
 ob_server_add_pchs(rootserver
 ob_replica_addr.h
 ob_locality_util.h
diff --git a/src/rootserver/ob_server_manager.cpp b/src/rootserver/ob_server_manager.cpp
index 2f9077b2a..f79990018 100644
--- a/src/rootserver/ob_server_manager.cpp
+++ b/src/rootserver/ob_server_manager.cpp
@@ -14,6 +14,7 @@
 
 #include "ob_server_manager.h"
 
+#include "observer/ob_server.h"
 #include "share/ob_define.h"
 #include "lib/container/ob_array_iterator.h"
 #include "share/ob_debug_sync.h"
diff --git a/src/rootserver/ob_update_rs_list_task.cpp b/src/rootserver/ob_update_rs_list_task.cpp
index aa407b1f5..aa5580717 100644
--- a/src/rootserver/ob_update_rs_list_task.cpp
+++ b/src/rootserver/ob_update_rs_list_task.cpp
@@ -14,6 +14,7 @@
 
 #include "ob_update_rs_list_task.h"
 
+#include "rootserver/ob_server_manager.h"
 #include "lib/profile/ob_trace_id.h"
 #include "share/config/ob_server_config.h"
 #include "share/partition_table/ob_partition_table_operator.h"