diff --git a/src/app/api/diary/[id]/route.ts b/src/app/api/diary/[id]/route.ts
index cb2c7623..e16bccc4 100644
--- a/src/app/api/diary/[id]/route.ts
+++ b/src/app/api/diary/[id]/route.ts
@@ -54,5 +54,6 @@ export async function DELETE(
   );
 
   revalidateTag("getDiaryList");
+  revalidateTag(`getDiary/${params.id}`);
   return response;
 }
diff --git a/src/containers/diary/edit/DiaryEditorContainer.tsx b/src/containers/diary/edit/DiaryEditorContainer.tsx
index 2e4a41e9..6d64c90a 100644
--- a/src/containers/diary/edit/DiaryEditorContainer.tsx
+++ b/src/containers/diary/edit/DiaryEditorContainer.tsx
@@ -71,7 +71,7 @@ const DiaryEditorContainer = ({ diaryData }: Props) => {
       .join(",");
 
     if (imageUrl === "") {
-      alert("Day1에 최소 1장의 이미지를 등록해 주세요.");
+      alert("최소 1장의 이미지를 등록해 주세요.");
       return;
     }
 
@@ -102,7 +102,10 @@ const DiaryEditorContainer = ({ diaryData }: Props) => {
           content: sanitizeHtml(contents, sanitizeOption),
           feelingStatus: FEELING_STATUS[moodLevels],
           deleteImagesUrl: originalContentUrl
-            .filter((value) => !contentImagesUrl.split(",").includes(value))
+            .filter(
+              (value) =>
+                !contentImagesUrl.split(",").includes(value) && value !== image,
+            )
             .join(","),
           saveImagesUrl: contentImagesUrl,
           place: address,
diff --git a/src/containers/diary/write/DiaryEditorContainer.tsx b/src/containers/diary/write/DiaryEditorContainer.tsx
index 690f4ab9..73fbd003 100644
--- a/src/containers/diary/write/DiaryEditorContainer.tsx
+++ b/src/containers/diary/write/DiaryEditorContainer.tsx
@@ -65,7 +65,7 @@ const DiaryEditorContainer = () => {
       .join(",");
 
     if (imageUrl === "") {
-      alert("Day1에 최소 1장의 이미지를 등록해 주세요.");
+      alert("최소 1장의 이미지를 등록해 주세요.");
       return;
     }