diff --git a/web/src/components/MemoDetailSidebar/MemoDetailSidebar.tsx b/web/src/components/MemoDetailSidebar/MemoDetailSidebar.tsx
index 76b6ea1e3..3e72f77d3 100644
--- a/web/src/components/MemoDetailSidebar/MemoDetailSidebar.tsx
+++ b/web/src/components/MemoDetailSidebar/MemoDetailSidebar.tsx
@@ -13,6 +13,10 @@ interface Props {
   parentPage?: string;
 }
 
+const SectionLabel = ({ children }: { children: React.ReactNode }) => (
+  <p className="text-xs font-medium text-muted-foreground/50 uppercase tracking-wider">{children}</p>
+);
+
 const MemoDetailSidebar = ({ memo, className, parentPage }: Props) => {
   const t = useTranslate();
   const property = create(Memo_PropertySchema, memo.property || {});
@@ -20,76 +24,76 @@ const MemoDetailSidebar = ({ memo, className, parentPage }: Props) => {
   const hasReferenceRelations = memo.relations.some((r) => r.type === MemoRelation_Type.REFERENCE);
 
   return (
-    <aside className={cn("relative w-full h-auto max-h-screen overflow-auto flex flex-col justify-start items-start", className)}>
-      <div className="flex flex-col justify-start items-start w-full gap-4 h-auto shrink-0 flex-nowrap">
-        {hasReferenceRelations && (
+    <aside className={cn("relative w-full h-auto max-h-screen overflow-auto flex flex-col gap-5", className)}>
+      {hasReferenceRelations && (
+        <div className="w-full space-y-2">
+          <div className="flex items-center gap-1.5">
+            <SectionLabel>{t("common.relations")}</SectionLabel>
+            <span className="text-xs text-muted-foreground/30">(Beta)</span>
+          </div>
           <div className="relative w-full h-36 border border-border rounded-lg bg-muted overflow-hidden">
             <MemoRelationForceGraph className="w-full h-full" memo={memo} parentPage={parentPage} />
-            <div className="absolute top-2 left-2 text-xs text-muted-foreground/60 font-medium gap-1 flex flex-row items-center">
-              <span>{t("common.relations")}</span>
-              <span className="text-xs opacity-60">(Beta)</span>
-            </div>
           </div>
-        )}
-
-        <div className="w-full space-y-1">
-          <p className="text-xs font-medium text-muted-foreground/60 uppercase tracking-wide px-1">{t("common.created-at")}</p>
-          <p className="text-sm text-muted-foreground px-1">{memo.createTime ? timestampDate(memo.createTime).toLocaleString() : "-"}</p>
         </div>
+      )}
 
-        {!isEqual(memo.createTime, memo.updateTime) && (
-          <div className="w-full space-y-1">
-            <p className="text-xs font-medium text-muted-foreground/60 uppercase tracking-wide px-1">{t("common.last-updated-at")}</p>
-            <p className="text-sm text-muted-foreground px-1">{memo.updateTime ? timestampDate(memo.updateTime).toLocaleString() : "-"}</p>
-          </div>
-        )}
-
-        {hasSpecialProperty && (
-          <div className="w-full space-y-2">
-            <p className="text-xs font-medium text-muted-foreground/60 uppercase tracking-wide px-1">{t("common.properties")}</p>
-            <div className="w-full flex flex-row justify-start items-center gap-2 flex-wrap px-1">
-              {property.hasLink && (
-                <div className="inline-flex items-center gap-1.5 px-2 py-1 bg-muted/50 border border-border/50 rounded-md text-xs text-muted-foreground">
-                  <LinkIcon className="w-3.5 h-3.5" />
-                  <span>{t("memo.links")}</span>
-                </div>
-              )}
-              {property.hasTaskList && (
-                <div className="inline-flex items-center gap-1.5 px-2 py-1 bg-muted/50 border border-border/50 rounded-md text-xs text-muted-foreground">
-                  <CheckCircleIcon className="w-3.5 h-3.5" />
-                  <span>{t("memo.to-do")}</span>
-                </div>
-              )}
-              {property.hasCode && (
-                <div className="inline-flex items-center gap-1.5 px-2 py-1 bg-muted/50 border border-border/50 rounded-md text-xs text-muted-foreground">
-                  <Code2Icon className="w-3.5 h-3.5" />
-                  <span>{t("memo.code")}</span>
-                </div>
-              )}
-            </div>
-          </div>
-        )}
-
-        {memo.tags.length > 0 && (
-          <div className="w-full space-y-2">
-            <div className="flex flex-row justify-start items-center gap-1.5 px-1">
-              <p className="text-xs font-medium text-muted-foreground/60 uppercase tracking-wide">{t("common.tags")}</p>
-              <span className="text-xs text-muted-foreground/40">({memo.tags.length})</span>
-            </div>
-            <div className="w-full flex flex-row justify-start items-center flex-wrap gap-1.5 px-1">
-              {memo.tags.map((tag) => (
-                <div
-                  key={tag}
-                  className="inline-flex items-center gap-1 px-2 py-0.5 bg-muted/50 border border-border/50 rounded-md text-xs text-muted-foreground hover:bg-muted transition-colors cursor-pointer group"
-                >
-                  <HashIcon className="w-3 h-3 opacity-40 group-hover:opacity-60 transition-opacity" />
-                  <span className="opacity-80 group-hover:opacity-100 transition-opacity">{tag}</span>
-                </div>
-              ))}
-            </div>
-          </div>
-        )}
+      <div className="w-full space-y-1">
+        <SectionLabel>{t("common.created-at")}</SectionLabel>
+        <p className="text-sm text-foreground/70">{memo.createTime ? timestampDate(memo.createTime).toLocaleString() : "—"}</p>
       </div>
+
+      {!isEqual(memo.createTime, memo.updateTime) && (
+        <div className="w-full space-y-1">
+          <SectionLabel>{t("common.last-updated-at")}</SectionLabel>
+          <p className="text-sm text-foreground/70">{memo.updateTime ? timestampDate(memo.updateTime).toLocaleString() : "—"}</p>
+        </div>
+      )}
+
+      {hasSpecialProperty && (
+        <div className="w-full space-y-2">
+          <SectionLabel>{t("common.properties")}</SectionLabel>
+          <div className="flex flex-wrap gap-1.5">
+            {property.hasLink && (
+              <span className="inline-flex items-center gap-1.5 px-2 py-1 rounded-md border border-border/60 bg-muted/60 text-xs text-muted-foreground">
+                <LinkIcon className="w-3.5 h-3.5" />
+                {t("memo.links")}
+              </span>
+            )}
+            {property.hasTaskList && (
+              <span className="inline-flex items-center gap-1.5 px-2 py-1 rounded-md border border-border/60 bg-muted/60 text-xs text-muted-foreground">
+                <CheckCircleIcon className="w-3.5 h-3.5" />
+                {t("memo.to-do")}
+              </span>
+            )}
+            {property.hasCode && (
+              <span className="inline-flex items-center gap-1.5 px-2 py-1 rounded-md border border-border/60 bg-muted/60 text-xs text-muted-foreground">
+                <Code2Icon className="w-3.5 h-3.5" />
+                {t("memo.code")}
+              </span>
+            )}
+          </div>
+        </div>
+      )}
+
+      {memo.tags.length > 0 && (
+        <div className="w-full space-y-2">
+          <div className="flex items-center gap-1.5">
+            <SectionLabel>{t("common.tags")}</SectionLabel>
+            <span className="text-xs text-muted-foreground/30">({memo.tags.length})</span>
+          </div>
+          <div className="flex flex-wrap gap-1.5">
+            {memo.tags.map((tag) => (
+              <span
+                key={tag}
+                className="inline-flex items-center gap-1 px-1 rounded-md border border-border/60 bg-muted/60 text-sm text-muted-foreground hover:bg-muted hover:text-foreground/80 transition-colors cursor-pointer"
+              >
+                <HashIcon className="w-3 h-3 opacity-50" />
+                {tag}
+              </span>
+            ))}
+          </div>
+        </div>
+      )}
     </aside>
   );
 };
diff --git a/web/src/components/MemoDetailSidebar/MemoDetailSidebarDrawer.tsx b/web/src/components/MemoDetailSidebar/MemoDetailSidebarDrawer.tsx
index 3ffc92ed1..7d2b502bb 100644
--- a/web/src/components/MemoDetailSidebar/MemoDetailSidebarDrawer.tsx
+++ b/web/src/components/MemoDetailSidebar/MemoDetailSidebarDrawer.tsx
@@ -22,7 +22,7 @@ const MemoDetailSidebarDrawer = ({ memo, parentPage }: Props) => {
   return (
     <Sheet open={open} onOpenChange={setOpen}>
       <SheetTrigger asChild>
-        <Button variant="ghost" className="bg-transparent! px-2">
+        <Button variant="ghost" size="sm" className="px-2">
           <GanttChartIcon className="w-5 h-auto text-muted-foreground" />
         </Button>
       </SheetTrigger>
diff --git a/web/src/pages/MemoDetail.tsx b/web/src/pages/MemoDetail.tsx
index aaba44ab1..d51d56e0c 100644
--- a/web/src/pages/MemoDetail.tsx
+++ b/web/src/pages/MemoDetail.tsx
@@ -99,6 +99,29 @@ const MemoDetail = () => {
               {t("memo.comment.self")}
             </h2>
             <div className="relative mx-auto grow w-full min-h-full flex flex-col justify-start items-start gap-y-1">
+              {comments.length === 0 ? (
+                showCreateCommentButton && (
+                  <div className="w-full flex flex-row justify-center items-center py-6">
+                    <Button variant="ghost" onClick={handleShowCommentEditor}>
+                      <span className="text-muted-foreground">{t("memo.comment.write-a-comment")}</span>
+                      <MessageCircleIcon className="ml-2 w-5 h-auto text-muted-foreground" />
+                    </Button>
+                  </div>
+                )
+              ) : (
+                <div className="w-full flex flex-row justify-between items-center h-8 pl-3 mb-2">
+                  <div className="flex flex-row justify-start items-center">
+                    <MessageCircleIcon className="w-5 h-auto text-muted-foreground mr-1" />
+                    <span className="text-muted-foreground text-sm">{t("memo.comment.self")}</span>
+                    <span className="text-muted-foreground text-sm ml-1">({comments.length})</span>
+                  </div>
+                  {showCreateCommentButton && (
+                    <Button variant="ghost" className="text-muted-foreground" onClick={handleShowCommentEditor}>
+                      {t("memo.comment.write-a-comment")}
+                    </Button>
+                  )}
+                </div>
+              )}
               {showCommentEditor && (
                 <div className="w-full mb-2">
                   <MemoEditor
@@ -111,40 +134,15 @@ const MemoDetail = () => {
                   />
                 </div>
               )}
-              {comments.length === 0 ? (
-                showCreateCommentButton && (
-                  <div className="w-full flex flex-row justify-center items-center py-6">
-                    <Button variant="ghost" onClick={handleShowCommentEditor}>
-                      <span className="text-muted-foreground">{t("memo.comment.write-a-comment")}</span>
-                      <MessageCircleIcon className="ml-2 w-5 h-auto text-muted-foreground" />
-                    </Button>
-                  </div>
-                )
-              ) : (
-                <>
-                  <div className="w-full flex flex-row justify-between items-center h-8 pl-3 mb-2">
-                    <div className="flex flex-row justify-start items-center">
-                      <MessageCircleIcon className="w-5 h-auto text-muted-foreground mr-1" />
-                      <span className="text-muted-foreground text-sm">{t("memo.comment.self")}</span>
-                      <span className="text-muted-foreground text-sm ml-1">({comments.length})</span>
-                    </div>
-                    {showCreateCommentButton && (
-                      <Button variant="ghost" className="text-muted-foreground" onClick={handleShowCommentEditor}>
-                        {t("memo.comment.write-a-comment")}
-                      </Button>
-                    )}
-                  </div>
-                  {comments.map((comment) => (
-                    <MemoView
-                      key={`${comment.name}-${comment.displayTime}`}
-                      memo={comment}
-                      parentPage={locationState?.from}
-                      showCreator
-                      compact
-                    />
-                  ))}
-                </>
-              )}
+              {comments.map((comment) => (
+                <MemoView
+                  key={`${comment.name}-${comment.displayTime}`}
+                  memo={comment}
+                  parentPage={locationState?.from}
+                  showCreator
+                  compact
+                />
+              ))}
             </div>
           </div>
         </div>