diff --git a/src/main/kotlin/com/toyProject7/karrot/article/controller/ArticleController.kt b/src/main/kotlin/com/toyProject7/karrot/article/controller/ArticleController.kt
index ab33398..a7e45ce 100644
--- a/src/main/kotlin/com/toyProject7/karrot/article/controller/ArticleController.kt
+++ b/src/main/kotlin/com/toyProject7/karrot/article/controller/ArticleController.kt
@@ -141,11 +141,11 @@ class ArticleController(
 
     @GetMapping("/item/search/{articleId}")
     fun searchArticles(
-        @RequestBody request: SearchRequest,
         @PathVariable articleId: Long,
+        @RequestParam("text") text: String,
         @AuthUser user: User,
     ): ResponseEntity<List<Item>> {
-        val articles = articleService.searchArticle(request, articleId)
+        val articles = articleService.searchArticle(text, articleId)
         val response: List<Item> =
             articles.map { article ->
                 Item.fromArticle(Article.fromEntity(article), articleService.getChattingUsersByArticle(Article.fromEntity(article)).size)
@@ -175,10 +175,6 @@ data class UpdateStatusRequest(
     val status: Int,
 )
 
-data class SearchRequest(
-    val text: String,
-)
-
 data class ArticleResponse(
     val article: Article,
     val chattingUsers: List<User>,
diff --git a/src/main/kotlin/com/toyProject7/karrot/article/service/ArticleService.kt b/src/main/kotlin/com/toyProject7/karrot/article/service/ArticleService.kt
index 9a9c8c4..bc70011 100644
--- a/src/main/kotlin/com/toyProject7/karrot/article/service/ArticleService.kt
+++ b/src/main/kotlin/com/toyProject7/karrot/article/service/ArticleService.kt
@@ -4,7 +4,6 @@ import com.toyProject7.karrot.article.ArticleNotFoundException
 import com.toyProject7.karrot.article.ArticlePermissionDeniedException
 import com.toyProject7.karrot.article.controller.Article
 import com.toyProject7.karrot.article.controller.PostArticleRequest
-import com.toyProject7.karrot.article.controller.SearchRequest
 import com.toyProject7.karrot.article.controller.UpdateStatusRequest
 import com.toyProject7.karrot.article.persistence.ArticleEntity
 import com.toyProject7.karrot.article.persistence.ArticleLikesEntity
@@ -254,10 +253,9 @@ class ArticleService(
 
     @Transactional
     fun searchArticle(
-        request: SearchRequest,
+        text: String,
         articleId: Long,
     ): List<ArticleEntity> {
-        val text = request.text
         val articles =
             articleRepository.findTop10ByTitleContainingIgnoreCaseOrContentContainingIgnoreCaseAndIdLessThanOrderByIdDesc(
                 text,
diff --git a/src/main/kotlin/com/toyProject7/karrot/auction/service/AuctionService.kt b/src/main/kotlin/com/toyProject7/karrot/auction/service/AuctionService.kt
index 8ecbf71..4084565 100644
--- a/src/main/kotlin/com/toyProject7/karrot/auction/service/AuctionService.kt
+++ b/src/main/kotlin/com/toyProject7/karrot/auction/service/AuctionService.kt
@@ -208,7 +208,7 @@ class AuctionService(
         return auctionRepository.findByIdOrNull(auctionId) ?: throw AuctionNotFoundException()
     }
 
-    @Scheduled(fixedRate = 60000) // Run every minute
+    @Scheduled(fixedRate = 10000)
     fun checkAndEndAuctions() {
         val now = Instant.now()
         val endedAuctions = auctionRepository.findByEndTimeBeforeAndStatus(now, 0)
@@ -237,10 +237,12 @@ class AuctionService(
                 isDummy = 1,
             )
         articleRepository.save(articleEntity)
-        chatRoomService.createChatRoom(
-            articleEntity.id ?: throw IllegalArgumentException("Article ID cannot be null"),
-            articleEntity.seller.id ?: throw IllegalArgumentException("Seller ID cannot be null"),
-            articleEntity.buyer?.id ?: throw IllegalArgumentException("Buyer ID cannot be null"),
-        )
+        if (auction.seller.id != auction.bidder?.id) {
+            chatRoomService.createChatRoom(
+                articleEntity.id ?: throw IllegalArgumentException("Article ID cannot be null"),
+                articleEntity.seller.id ?: throw IllegalArgumentException("Seller ID cannot be null"),
+                articleEntity.buyer?.id ?: throw IllegalArgumentException("Buyer ID cannot be null"),
+            )
+        }
     }
 }
diff --git a/src/main/kotlin/com/toyProject7/karrot/comment/service/CommentService.kt b/src/main/kotlin/com/toyProject7/karrot/comment/service/CommentService.kt
index f473857..ec6448a 100644
--- a/src/main/kotlin/com/toyProject7/karrot/comment/service/CommentService.kt
+++ b/src/main/kotlin/com/toyProject7/karrot/comment/service/CommentService.kt
@@ -54,9 +54,8 @@ class CommentService(
         if (comment.user.id != user.id) {
             throw CommentWriterDoesNotMatchException()
         }
-        comment.feed.content = request.content
+        comment.content = request.content
         comment.updatedAt = Instant.now()
-        commentRepository.save(comment)
         feedService.saveCommentInFeed(comment.feed, comment)
         return Comment.fromEntity(comment)
     }
diff --git a/src/main/kotlin/com/toyProject7/karrot/feed/controller/FeedController.kt b/src/main/kotlin/com/toyProject7/karrot/feed/controller/FeedController.kt
index 7a0a2e0..d984262 100644
--- a/src/main/kotlin/com/toyProject7/karrot/feed/controller/FeedController.kt
+++ b/src/main/kotlin/com/toyProject7/karrot/feed/controller/FeedController.kt
@@ -140,11 +140,11 @@ class FeedController(
 
     @GetMapping("/feed/search/{feedId}")
     fun searchFeeds(
-        @RequestBody request: SearchRequest,
         @PathVariable feedId: Long,
+        @RequestParam("text") text: String,
         @AuthUser user: User,
     ): ResponseEntity<List<FeedPreview>> {
-        val feeds = feedService.searchFeed(request, feedId)
+        val feeds = feedService.searchFeed(text, feedId)
         val response: List<FeedPreview> =
             feeds.map { feed ->
                 FeedPreview.fromEntity(feed)
@@ -159,7 +159,3 @@ data class PostFeedRequest(
     val tag: String,
     val imageCount: Int,
 )
-
-data class SearchRequest(
-    val text: String,
-)
diff --git a/src/main/kotlin/com/toyProject7/karrot/feed/service/FeedService.kt b/src/main/kotlin/com/toyProject7/karrot/feed/service/FeedService.kt
index 38b1c84..191939e 100644
--- a/src/main/kotlin/com/toyProject7/karrot/feed/service/FeedService.kt
+++ b/src/main/kotlin/com/toyProject7/karrot/feed/service/FeedService.kt
@@ -6,7 +6,6 @@ import com.toyProject7.karrot.feed.FeedNotFoundException
 import com.toyProject7.karrot.feed.FeedPermissionDeniedException
 import com.toyProject7.karrot.feed.controller.Feed
 import com.toyProject7.karrot.feed.controller.PostFeedRequest
-import com.toyProject7.karrot.feed.controller.SearchRequest
 import com.toyProject7.karrot.feed.persistence.FeedEntity
 import com.toyProject7.karrot.feed.persistence.FeedLikesEntity
 import com.toyProject7.karrot.feed.persistence.FeedLikesRepository
@@ -239,10 +238,9 @@ class FeedService(
 
     @Transactional
     fun searchFeed(
-        request: SearchRequest,
+        text: String,
         feedId: Long,
     ): List<FeedEntity> {
-        val text = request.text
         val feeds =
             feedRepository.findTop10ByTitleContainingIgnoreCaseOrContentContainingIgnoreCaseAndIdLessThanOrderByIdDesc(text, text, feedId)
         refreshPresignedUrlIfExpired(feeds)