diff --git a/manual/administration/logs.md b/manual/administration/logs.md
index bb67a7f4..d4f93133 100644
--- a/manual/administration/logs.md
+++ b/manual/administration/logs.md
@@ -15,3 +15,25 @@
 * seafevents.log: Empty
 * seafile-background-tasks.log: logs for background tasks and office file convertion
 * seahub_email_sender.log: logs for periodically email sending of background tasks
+
+
+### Log files for seadoc server
+
+The logs for seadoc server are located in the `/opt/seadoc-data/logs` directory.
+
+* sdoc-access.log: logs for recording each API request’s method, URL, response status, and processing time to support access auditing and performance monitoring.
+* sdoc-access-slow.log: logs for sdoc-server's slow requests.
+* sdoc-server.log: logs for tracking the sdoc-server’s periodic background save tasks to verify autosave behavior and service health.
+* sdoc-socket.log: logs for tracking real-time collaborative editing operations over the document WebSocket connection to monitor realtime sync performance and diagnose lag.
+* sdoc-socket-slow.log: logs for capturing collaborative editing socket operations that exceed the latency threshold to detect realtime performance bottlenecks and diagnose editing lag.
+* sdoc_operation_log_clean.log: logs for recording the periodic cleanup task that purges old operation_log records from the database to control log growth and maintain storage health.
+* seadoc-converter.log: logs for recording the scheduler activity of the seadoc-converter service’s operation log cleanup job to verify the maintenance task is running on schedule.
+
+
+### Log files for seasearch server 
+
+The logs for seasearch server are located in the `/opt/seasearch-data/log` directory.
+
+* seasearch.log: logs for recording the SeaSearch service startup and runtime status to confirm the search engine is initialized and ready to serve requests.
+* seasearch-access.log: logs for recording incoming HTTP requests to the SeaSearch service to audit search/index queries and detect auth or access issues.
+