diff --git a/web/src/components/MemoContent/index.tsx b/web/src/components/MemoContent/index.tsx
index f08a3828..0519db11 100644
--- a/web/src/components/MemoContent/index.tsx
+++ b/web/src/components/MemoContent/index.tsx
@@ -4,6 +4,7 @@ import useCurrentUser from "@/hooks/useCurrentUser";
 import { useMemoStore } from "@/store/v1";
 import { Node, NodeType } from "@/types/proto/api/v1/markdown_service";
 import { useTranslate } from "@/utils/i18n";
+import { isSuperUser } from "@/utils/user";
 import Renderer from "./Renderer";
 import { RendererContext } from "./types";
 
@@ -33,7 +34,7 @@ const MemoContent: React.FC<Props> = (props: Props) => {
   const memoContentContainerRef = useRef<HTMLDivElement>(null);
   const [showCompactMode, setShowCompactMode] = useState<boolean>(false);
   const memo = memoName ? memoStore.getMemoByName(memoName) : null;
-  const allowEdit = !props.readonly && memo && currentUser?.name === memo.creator;
+  const allowEdit = !props.readonly && memo && (currentUser?.name === memo.creator || isSuperUser(currentUser));
 
   // Initial compact mode.
   useEffect(() => {
diff --git a/web/src/components/MemoView.tsx b/web/src/components/MemoView.tsx
index 5c0a8a95..cab4377a 100644
--- a/web/src/components/MemoView.tsx
+++ b/web/src/components/MemoView.tsx
@@ -8,11 +8,11 @@ import useNavigateTo from "@/hooks/useNavigateTo";
 import { useUserStore, useWorkspaceSettingStore } from "@/store/v1";
 import { MemoRelation_Type } from "@/types/proto/api/v1/memo_relation_service";
 import { Memo, Visibility } from "@/types/proto/api/v1/memo_service";
-import { User_Role } from "@/types/proto/api/v1/user_service";
 import { WorkspaceMemoRelatedSetting } from "@/types/proto/api/v1/workspace_setting_service";
 import { WorkspaceSettingKey } from "@/types/proto/store/workspace_setting";
 import { useTranslate } from "@/utils/i18n";
 import { convertVisibilityToString } from "@/utils/memo";
+import { isSuperUser } from "@/utils/user";
 import MemoActionMenu from "./MemoActionMenu";
 import MemoContent from "./MemoContent";
 import MemoEditor from "./MemoEditor";
@@ -54,7 +54,7 @@ const MemoView: React.FC<Props> = (props: Props) => {
     (relation) => relation.type === MemoRelation_Type.COMMENT && relation.relatedMemo === memo.name,
   ).length;
   const relativeTimeFormat = Date.now() - memo.displayTime!.getTime() > 1000 * 60 * 60 * 24 ? "datetime" : "auto";
-  const readonly = memo.creator !== user?.name && user.role === User_Role.USER;
+  const readonly = memo.creator !== user?.name || isSuperUser(user);
   const isInMemoDetailPage = location.pathname.startsWith(`/m/${memo.uid}`);
 
   // Initial related data: creator.
diff --git a/web/src/utils/user.ts b/web/src/utils/user.ts
new file mode 100644
index 00000000..c2d8769f
--- /dev/null
+++ b/web/src/utils/user.ts
@@ -0,0 +1,5 @@
+import { User, User_Role } from "@/types/proto/api/v1/user_service";
+
+export const isSuperUser = (user: User) => {
+  return user.role === User_Role.ADMIN || user.role === User_Role.HOST;
+};