diff --git a/src/features/auction/auction-log/ui/auction-log-chart.tsx b/src/features/auction/auction-log/ui/auction-log-chart.tsx
index 742c11a2..0c5de6ba 100644
--- a/src/features/auction/auction-log/ui/auction-log-chart.tsx
+++ b/src/features/auction/auction-log/ui/auction-log-chart.tsx
@@ -30,7 +30,7 @@ export default function AuctionLogChart({ item }: { item: RecentPriceHistoryType
           <ChartTooltip cursor={false} content={<ChartTooltipContent indicator="line" />} />
           <Area
             dataKey="viewerCount"
-            type="natural"
+            type="monotone"
             fill="var(--color-brand)"
             fillOpacity={0.4}
             stroke="var(--color-brand)"
diff --git a/src/features/auction/auction-sale/ui/auction-detail-seller-review-list.tsx b/src/features/auction/auction-sale/ui/auction-detail-seller-review-list.tsx
index 2f903549..39256f89 100644
--- a/src/features/auction/auction-sale/ui/auction-detail-seller-review-list.tsx
+++ b/src/features/auction/auction-sale/ui/auction-detail-seller-review-list.tsx
@@ -35,7 +35,7 @@ export default function AuctionDetailSellerReviewList({
         ))}
       </div>
       <Link href={ROUTES.userReview(sellerId)} className="flex-1">
-        <Button className="flex-1" variant="outline" size="default">
+        <Button className="w-full flex-1" variant="outline" size="default">
           리뷰 보러가기
         </Button>
       </Link>
diff --git a/src/features/auction/auction-sale/ui/auction-seller-emoji-button.tsx b/src/features/auction/auction-sale/ui/auction-seller-emoji-button.tsx
index d9db8242..a3262880 100644
--- a/src/features/auction/auction-sale/ui/auction-seller-emoji-button.tsx
+++ b/src/features/auction/auction-sale/ui/auction-seller-emoji-button.tsx
@@ -2,6 +2,7 @@
 
 import { useState } from "react";
 
+import type { AuctionStatusType } from "@/entities/auction";
 import useAuctionSellerSocket from "@/features/auction/auction-sale/hook/use-auction-seller-socket";
 import { showToast } from "@/shared/lib/utils/toast/show-toast";
 import { Button, Popover, PopoverTrigger, PopoverContent } from "@/shared/ui";
@@ -9,11 +10,13 @@ import { Button, Popover, PopoverTrigger, PopoverContent } from "@/shared/ui";
 interface AuctionSellerEmojiButtonProps {
   token?: string;
   auctionId: string | number;
+  status: AuctionStatusType;
 }
 
 export default function AuctionSellerEmojiButton({
   auctionId,
   token,
+  status,
 }: AuctionSellerEmojiButtonProps) {
   const { handleSendEmoji } = useAuctionSellerSocket(auctionId, token);
   const [open, setOpen] = useState(false);
@@ -26,7 +29,12 @@ export default function AuctionSellerEmojiButton({
   return (
     <Popover open={open} onOpenChange={handleOpenChange}>
       <PopoverTrigger asChild>
-        <Button variant="primary" className="flex-1" size="lg">
+        <Button
+          variant="primary"
+          className="flex-1"
+          size="lg"
+          disabled={status !== "PROCESS" && status !== "SCHEDULED"}
+        >
           감정 보내기
         </Button>
       </PopoverTrigger>
diff --git a/src/shared/lib/utils/time/format.ts b/src/shared/lib/utils/time/format.ts
index 85035f81..88f6625d 100644
--- a/src/shared/lib/utils/time/format.ts
+++ b/src/shared/lib/utils/time/format.ts
@@ -1,8 +1,14 @@
 import { dayjs } from "@/shared/lib/utils/dayjs";
 
+export function parseKstLocalDateTime(input: string) {
+  const normalized = input.replace(/(\.\d{3})\d+$/, "$1");
+  return dayjs.tz(normalized, "Asia/Seoul");
+}
+
 export function formatAgo(input: string | Date | number): string {
   const now = dayjs();
-  const t = dayjs(input);
+
+  const t = typeof input === "string" ? parseKstLocalDateTime(input) : dayjs(input);
 
   if (!t.isValid()) return "";
 
diff --git a/src/widgets/auction/auction-detail/ui/auction-detail-user-actions.tsx b/src/widgets/auction/auction-detail/ui/auction-detail-user-actions.tsx
index fd0fd3f2..46e2179e 100644
--- a/src/widgets/auction/auction-detail/ui/auction-detail-user-actions.tsx
+++ b/src/widgets/auction/auction-detail/ui/auction-detail-user-actions.tsx
@@ -38,7 +38,7 @@ export default function AuctionDetailUserActions({
   return (
     <div className="flex items-center gap-2">
       {isSeller ? (
-        <AuctionSellerEmojiButton auctionId={auctionId} token={token} />
+        <AuctionSellerEmojiButton auctionId={auctionId} token={token} status={status} />
       ) : (
         <>
           <div className="flex items-center gap-1">