diff --git a/doc/design/file_mananger/README.md b/doc/design/file_manager/README.md similarity index 100% rename from doc/design/file_mananger/README.md rename to doc/design/file_manager/README.md diff --git a/doc/design/file_mananger/RESTAPI.md b/doc/design/file_manager/RESTAPI.md similarity index 100% rename from doc/design/file_mananger/RESTAPI.md rename to doc/design/file_manager/RESTAPI.md diff --git a/doc/design/file_mananger/pfs/cp.md b/doc/design/file_manager/pfs/cp.md similarity index 100% rename from doc/design/file_mananger/pfs/cp.md rename to doc/design/file_manager/pfs/cp.md diff --git a/doc/design/file_mananger/pfs/ls.md b/doc/design/file_manager/pfs/ls.md similarity index 100% rename from doc/design/file_mananger/pfs/ls.md rename to doc/design/file_manager/pfs/ls.md diff --git a/doc/design/file_mananger/pfs/mkdir.md b/doc/design/file_manager/pfs/mkdir.md similarity index 100% rename from doc/design/file_mananger/pfs/mkdir.md rename to doc/design/file_manager/pfs/mkdir.md diff --git a/doc/design/file_mananger/pfs/mv.md b/doc/design/file_manager/pfs/mv.md similarity index 100% rename from doc/design/file_mananger/pfs/mv.md rename to doc/design/file_manager/pfs/mv.md diff --git a/doc/design/file_mananger/pfs/pfs.md b/doc/design/file_manager/pfs/pfs.md similarity index 100% rename from doc/design/file_mananger/pfs/pfs.md rename to doc/design/file_manager/pfs/pfs.md diff --git a/doc/design/file_mananger/pfs/rm.md b/doc/design/file_manager/pfs/rm.md similarity index 100% rename from doc/design/file_mananger/pfs/rm.md rename to doc/design/file_manager/pfs/rm.md diff --git a/doc/design/file_mananger/pfs/sync.md b/doc/design/file_manager/pfs/sync.md similarity index 100% rename from doc/design/file_mananger/pfs/sync.md rename to doc/design/file_manager/pfs/sync.md diff --git a/doc/design/file_mananger/src/filemanager.graffle b/doc/design/file_manager/src/filemanager.graffle similarity index 100% rename from doc/design/file_mananger/src/filemanager.graffle rename to doc/design/file_manager/src/filemanager.graffle diff --git a/doc/design/file_mananger/src/filemanager.png b/doc/design/file_manager/src/filemanager.png similarity index 100% rename from doc/design/file_mananger/src/filemanager.png rename to doc/design/file_manager/src/filemanager.png