diff --git a/manual/repo/docker/seadoc.yml b/manual/repo/docker/seadoc.yml
index 86025231..c261cf81 100644
--- a/manual/repo/docker/seadoc.yml
+++ b/manual/repo/docker/seadoc.yml
@@ -13,7 +13,7 @@ services:
       - DB_PORT=${SEAFILE_MYSQL_DB_PORT:-3306}
       - DB_USER=${SEAFILE_MYSQL_DB_USER:-seafile}
       - DB_PASSWORD=${SEAFILE_MYSQL_DB_PASSWORD:?Variable is not set or empty}
-      - DB_NAME=${SEADOC_MYSQL_DB_NAME:-seahub_db}
+      - DB_NAME=${SEADOC_MYSQL_DB_NAME:-${SEAFILE_MYSQL_DB_SEAHUB_DB_NAME:-seahub_db}}
       - TIME_ZONE=${TIME_ZONE:-Etc/UTC}
       - JWT_PRIVATE_KEY=${JWT_PRIVATE_KEY:?Variable is not set or empty}
       - NON_ROOT=${NON_ROOT:-false}