diff --git a/src/app/api/categories/route.ts b/src/app/api/categories/route.ts
index 9bcf0a0d..af2c4913 100644
--- a/src/app/api/categories/route.ts
+++ b/src/app/api/categories/route.ts
@@ -1,17 +1,9 @@
 // 카테고리 목록 조회
 export async function GET() {
-  try {
-    const response = await fetch(`${process.env.BACKEND_URL}/api/categories`, {
-      method: "GET",
-      next: { revalidate: 60, tags: ["getCategoryList"] },
-    });
+  const response = await fetch(`${process.env.BACKEND_URL}/api/categories`, {
+    method: "GET",
+    next: { revalidate: 60, tags: ["getCategoryList"] },
+  });
 
-    if (!response.ok) {
-      throw new Error(response.statusText);
-    }
-
-    return response;
-  } catch (err) {
-    return new Response("Internal Server Error", { status: 500 });
-  }
+  return response;
 }
diff --git a/src/app/api/diary/[id]/route.ts b/src/app/api/diary/[id]/route.ts
index e16bccc4..e7e14095 100644
--- a/src/app/api/diary/[id]/route.ts
+++ b/src/app/api/diary/[id]/route.ts
@@ -25,10 +25,6 @@ export async function PUT(
     },
   );
 
-  if (!response.ok) {
-    throw new Error(response.statusText);
-  }
-
   revalidateTag("getDiaryList");
   revalidateTag(`getDiary/${params.id}`);
   return response;
diff --git a/src/app/api/informations/[id]/route.ts b/src/app/api/informations/[id]/route.ts
index 3cfd2264..df013129 100644
--- a/src/app/api/informations/[id]/route.ts
+++ b/src/app/api/informations/[id]/route.ts
@@ -1,5 +1,5 @@
 import { UpdateInformationRequestDto } from "@/types/InformationDto";
-import { revalidatePath } from "next/cache";
+import { revalidatePath, revalidateTag } from "next/cache";
 import { NextRequest } from "next/server";
 
 /**
@@ -57,6 +57,7 @@ export async function PUT(
   );
 
   // Revalidate the cache
+  revalidateTag("getBestInformationList");
   revalidatePath("/informations", "layout");
   return response;
 }
@@ -80,6 +81,7 @@ export async function DELETE(
     },
   );
 
+  revalidateTag("getBestInformationList");
   revalidatePath("/informations", "layout");
   return response;
 }
diff --git a/src/app/api/informations/route.ts b/src/app/api/informations/route.ts
index 4f9a578b..9783c7b3 100644
--- a/src/app/api/informations/route.ts
+++ b/src/app/api/informations/route.ts
@@ -1,5 +1,5 @@
 import { CreateInformationRequestDto } from "@/types/InformationDto";
-import { revalidatePath } from "next/cache";
+import { revalidatePath, revalidateTag } from "next/cache";
 import { NextRequest } from "next/server";
 
 // 정보 글 작성
@@ -19,6 +19,7 @@ export async function POST(request: NextRequest) {
   });
 
   // Revalidate the cache
+  revalidateTag("getBestInformationList");
   revalidatePath("/informations", "layout");
   return response;
 }
diff --git a/src/components/diary/detail/DiaryViewer.tsx b/src/components/diary/detail/DiaryViewer.tsx
index 8ae6e635..b02d10c4 100644
--- a/src/components/diary/detail/DiaryViewer.tsx
+++ b/src/components/diary/detail/DiaryViewer.tsx
@@ -45,7 +45,7 @@ const DiaryViewer = ({ data, modalVisible, openModal, closeModal }: Props) => {
       >
         {data.diaryContentResponse.title}
       </motion.h1>
-      <div className="mt-6 flex w-full flex-row items-center justify-between text-lg text-gray1">
+      <div className="mt-6 flex w-full flex-row flex-wrap items-center justify-between gap-x-12 gap-y-4 text-lg text-gray1">
         <motion.p initial={{ opacity: 0 }} animate={{ opacity: 1 }}>
           {new Date(
             new Date(data.diaryContentResponse.startDatetime).getTime() +
diff --git a/src/containers/diary/edit/DiaryEditorContainer.tsx b/src/containers/diary/edit/DiaryEditorContainer.tsx
index 1fc78509..29d5717a 100644
--- a/src/containers/diary/edit/DiaryEditorContainer.tsx
+++ b/src/containers/diary/edit/DiaryEditorContainer.tsx
@@ -4,7 +4,6 @@ import DiaryEditor from "@/components/diary/write/DiaryEditor";
 import sanitizeOption from "@/constants/common/sanitizeOption";
 import { FEELING_STATUS } from "@/constants/diary/feelingStatus";
 import { DiaryUpdateFormSchema } from "@/lib/zod/schema/DiaryUpdateFormSchema";
-import useAuthStore from "@/store/authStore";
 import { GetDiaryResponseDto, UpdateDiaryRequestDto } from "@/types/DiaryDto";
 import { useRouter } from "next/navigation";
 import { useEffect, useState } from "react";
@@ -13,8 +12,8 @@ import { parse } from "node-html-parser";
 import { FormProvider, useForm } from "react-hook-form";
 import { zodResolver } from "@hookform/resolvers/zod";
 import usePreventBodyScroll from "@/hooks/usePreventBodyScroll";
-import { fetchWithAuth } from "@/utils/fetchWithAuth";
 import useModalBackHandler from "@/hooks/useModalBackHandler";
+import { fetchWithAuth } from "@/utils/fetchWithAuth";
 
 interface Props {
   diaryData: GetDiaryResponseDto;
@@ -22,7 +21,6 @@ interface Props {
 
 const DiaryEditorContainer = ({ diaryData }: Props) => {
   const router = useRouter();
-  const authStore = useAuthStore();
   const [dateRangeModal, setDateRangeModal] = useState<boolean>(false);
   const [addressModal, setAddressModal] = useState<boolean>(false);
   const [loading, setLoading] = useState<boolean>(false);
@@ -35,7 +33,6 @@ const DiaryEditorContainer = ({ diaryData }: Props) => {
   useModalBackHandler(addressModal, () => setAddressModal(false));
 
   const methods = useForm<{
-    userId: number;
     title: string;
     startDate: Date | null;
     endDate: Date | null;
@@ -46,7 +43,6 @@ const DiaryEditorContainer = ({ diaryData }: Props) => {
   }>({
     resolver: zodResolver(DiaryUpdateFormSchema),
     defaultValues: {
-      userId: authStore.id,
       title: "",
       startDate: null,
       endDate: null,
diff --git a/src/containers/diary/write/DiaryEditorContainer.tsx b/src/containers/diary/write/DiaryEditorContainer.tsx
index 768c33b2..1e9bff46 100644
--- a/src/containers/diary/write/DiaryEditorContainer.tsx
+++ b/src/containers/diary/write/DiaryEditorContainer.tsx
@@ -4,7 +4,6 @@ import DiaryEditor from "@/components/diary/write/DiaryEditor";
 import sanitizeOption from "@/constants/common/sanitizeOption";
 import { FEELING_STATUS } from "@/constants/diary/feelingStatus";
 import { DiaryCreateFormSchema } from "@/lib/zod/schema/DiaryCreateFormSchema";
-import useAuthStore from "@/store/authStore";
 import { CreateDiaryRequestDto } from "@/types/DiaryDto";
 import { useRouter } from "next/navigation";
 import { useState } from "react";
@@ -18,7 +17,6 @@ import useModalBackHandler from "@/hooks/useModalBackHandler";
 
 const DiaryEditorContainer = () => {
   const router = useRouter();
-  const authStore = useAuthStore();
   const [datePickerModal, setDatePickerModal] = useState<boolean>(false);
   const [addressModal, setAddressModal] = useState<boolean>(false);
   const [loading, setLoading] = useState<boolean>(false);
@@ -29,7 +27,6 @@ const DiaryEditorContainer = () => {
   useModalBackHandler(addressModal, () => setAddressModal(false));
 
   const methods = useForm<{
-    userId: number;
     title: string;
     startDate: Date | null;
     endDate: Date | null;
@@ -40,7 +37,6 @@ const DiaryEditorContainer = () => {
   }>({
     resolver: zodResolver(DiaryCreateFormSchema),
     defaultValues: {
-      userId: authStore.id,
       title: "",
       startDate: null,
       endDate: null,
diff --git a/src/containers/diary/write/QuillEditorContainer.tsx b/src/containers/diary/write/QuillEditorContainer.tsx
index 4feb5a09..45a1e04a 100644
--- a/src/containers/diary/write/QuillEditorContainer.tsx
+++ b/src/containers/diary/write/QuillEditorContainer.tsx
@@ -113,11 +113,8 @@ const QuillEditorContainer = () => {
       // https://quilljs.com/docs/modules/toolbar
       toolbar: {
         container: [
-          [{ size: ["small", false, "large", "huge"] }, { font: [] }],
           [{ color: [] }, { background: [] }],
-          [{ list: "ordered" }, { list: "bullet" }, { list: "check" }],
           ["bold", "italic", "underline", "strike"],
-          [{ indent: "-1" }, { indent: "+1" }, { align: [] }],
           ["link", "image", "video"],
         ],
         handlers: { image: imageHandler },
diff --git a/src/lib/zod/schema/DiaryCreateFormSchema.ts b/src/lib/zod/schema/DiaryCreateFormSchema.ts
index dfd9d9ae..0d4b047b 100644
--- a/src/lib/zod/schema/DiaryCreateFormSchema.ts
+++ b/src/lib/zod/schema/DiaryCreateFormSchema.ts
@@ -1,13 +1,6 @@
 import { z } from "zod";
 
 export const DiaryCreateFormSchema = z.object({
-  userId: z
-    .number({
-      required_error: "로그인을 해야 일기 작성이 가능합니다.",
-      invalid_type_error: "UserId must be a integer.",
-    })
-    .int()
-    .positive(),
   title: z
     .string({
       required_error: "제목을 입력해 주세요.",
diff --git a/src/lib/zod/schema/DiaryUpdateFormSchema.ts b/src/lib/zod/schema/DiaryUpdateFormSchema.ts
index f7d30e94..68f67bfb 100644
--- a/src/lib/zod/schema/DiaryUpdateFormSchema.ts
+++ b/src/lib/zod/schema/DiaryUpdateFormSchema.ts
@@ -1,13 +1,6 @@
 import { z } from "zod";
 
 export const DiaryUpdateFormSchema = z.object({
-  userId: z
-    .number({
-      required_error: "로그인을 해야 일기 작성이 가능합니다.",
-      invalid_type_error: "UserId must be a integer.",
-    })
-    .int()
-    .positive(),
   title: z
     .string({
       required_error: "제목을 입력해 주세요.",