diff --git a/apps/cs/src/entities/posting/ui/posting-dialog.tsx b/apps/cs/src/entities/posting/ui/posting-dialog.tsx
index bbddf9778..b742eee28 100644
--- a/apps/cs/src/entities/posting/ui/posting-dialog.tsx
+++ b/apps/cs/src/entities/posting/ui/posting-dialog.tsx
@@ -97,7 +97,7 @@ function PostingDialog({ postingType, postingTargets }: PostingDialogProps) {
     siteList && selectedRows.length === siteList.content.length;
 
   const postingPeriod = (siteId: string) => {
-    const periodCode = Number(rememberPeriodCode[siteId]);
+    const periodCode = parseInt(rememberPeriodCode[siteId] ?? "");
 
     if (periodCode === 99) return "상시";
 
@@ -175,7 +175,9 @@ function PostingDialog({ postingType, postingTargets }: PostingDialogProps) {
 
   const handlePeriodCodeChange = (siteId: string) => (value: string) => {
     const from = dayjs().format("YYYY-MM-DD 00:00:00");
-    const to = dayjs().add(Number(value), "day").format("YYYY-MM-DD 23:59:59");
+    const to = dayjs()
+      .add(parseInt(value), "day")
+      .format("YYYY-MM-DD 23:59:59");
 
     setRememberPeriodCode((prev) => ({
       ...prev,
@@ -272,7 +274,7 @@ function PostingDialog({ postingType, postingTargets }: PostingDialogProps) {
                         onValueChange={handlePeriodCodeChange(site.siteId)}
                         disabled={!selectedRows.includes(i)}
                       />
-                      {!!Number(rememberPeriodCode[site.siteId]) && (
+                      {!!parseInt(rememberPeriodCode[site.siteId] ?? "") && (
                         <span
                           className={cn(
                             "text-lg text-label",
@@ -282,7 +284,8 @@ function PostingDialog({ postingType, postingTargets }: PostingDialogProps) {
                           게시 기간: <u>{postingPeriod(site.siteId)}</u>
                         </span>
                       )}
-                      {Number(rememberPeriodCode[site.siteId]) === 0 && (
+                      {parseInt(rememberPeriodCode[site.siteId] ?? "") ===
+                        0 && (
                         <DateRangePicker
                           handleDateChange={(date) =>
                             handlePeriodDateChange(site.siteId)(
diff --git a/apps/cs/src/pages/banner/ui/banner-form.tsx b/apps/cs/src/pages/banner/ui/banner-form.tsx
index f4af75ffe..f99742ba5 100644
--- a/apps/cs/src/pages/banner/ui/banner-form.tsx
+++ b/apps/cs/src/pages/banner/ui/banner-form.tsx
@@ -50,7 +50,7 @@ function BannerForm({ form, bnrSn, ...props }: BannerFormProps) {
   });
 
   const handleProgress = (percentage: string) => {
-    setProgress(Number(percentage));
+    setProgress(parseInt(percentage));
   };
 
   const handleUploadResponse = async (res: HttpResponse) => {
diff --git a/apps/cs/src/pages/banner/ui/modify-page.tsx b/apps/cs/src/pages/banner/ui/modify-page.tsx
index c8a53c423..515eb7dca 100644
--- a/apps/cs/src/pages/banner/ui/modify-page.tsx
+++ b/apps/cs/src/pages/banner/ui/modify-page.tsx
@@ -39,7 +39,7 @@ function ModifyPage({ sequential }: { sequential: string }) {
   const { data: postHistory } = useQuery({
     queryKey: [ENDPOINT.CMS_SERVICE.POSTINGS, sequential],
     queryFn: () =>
-      PostingApi.getPostingHistory({ pstgTrgtNo: Number(sequential) }),
+      PostingApi.getPostingHistory({ pstgTrgtNo: parseInt(sequential) }),
   });
 
   const { mutateAsync: updateBanner } = useMutation({
@@ -102,7 +102,7 @@ function ModifyPage({ sequential }: { sequential: string }) {
         </div>
         <BannerForm
           form={form}
-          bnrSn={Number(sequential)}
+          bnrSn={parseInt(sequential)}
           handleSave={updateBanner}
           handleDelete={deleteBanner}
         />
diff --git a/apps/cs/src/pages/bbs/model/table-columns.tsx b/apps/cs/src/pages/bbs/model/table-columns.tsx
index 6ae60fe73..296aaf7fe 100644
--- a/apps/cs/src/pages/bbs/model/table-columns.tsx
+++ b/apps/cs/src/pages/bbs/model/table-columns.tsx
@@ -37,7 +37,7 @@ export const columns: ColumnDef<Board>[] = [
   },
   {
     id: "actions",
-    header: "관리",
+    header: "게시물관리",
     cell: ({ row }) => <ManageButton row={row} />,
   },
 ];
diff --git a/apps/cs/src/pages/bbs/ui/bbs-form.tsx b/apps/cs/src/pages/bbs/ui/bbs-form.tsx
index ac2b5ebd5..af8ed4f91 100644
--- a/apps/cs/src/pages/bbs/ui/bbs-form.tsx
+++ b/apps/cs/src/pages/bbs/ui/bbs-form.tsx
@@ -166,8 +166,10 @@ function BbsForm({ form, bbsId, ...props }: BbsFormProps) {
                           value={field.value ?? ""}
                           onChange={(e) => {
                             const value = e.target.value;
-                            if (isNaN(Number(value))) return;
-                            field.onChange(value === "" ? null : Number(value));
+                            if (isNaN(parseInt(value))) return;
+                            field.onChange(
+                              value === "" ? null : parseInt(value),
+                            );
                           }}
                           className="w-[12rem] !text-[1.3rem]"
                           placeholder="최대 개수 입력"
@@ -195,8 +197,10 @@ function BbsForm({ form, bbsId, ...props }: BbsFormProps) {
                           value={field.value ?? ""}
                           onChange={(e) => {
                             const value = e.target.value;
-                            if (isNaN(Number(value))) return;
-                            field.onChange(value === "" ? null : Number(value));
+                            if (isNaN(parseInt(value))) return;
+                            field.onChange(
+                              value === "" ? null : parseInt(value),
+                            );
                           }}
                           className="w-[12rem] !text-[1.3rem]"
                           placeholder="최대 크기 입력"
diff --git a/apps/cs/src/pages/bbs/ui/bbs-page.tsx b/apps/cs/src/pages/bbs/ui/bbs-page.tsx
index 89562cb9c..58aa0191e 100644
--- a/apps/cs/src/pages/bbs/ui/bbs-page.tsx
+++ b/apps/cs/src/pages/bbs/ui/bbs-page.tsx
@@ -117,7 +117,7 @@ function BbsPage() {
               <Select
                 value={table.getState().pagination.pageSize.toString()}
                 onValueChange={(value) => {
-                  table.setPageSize(Number(value));
+                  table.setPageSize(parseInt(value));
                 }}
               >
                 <SelectTrigger className="h-[3.2rem] w-[12rem]">
diff --git a/apps/cs/src/pages/contents/ui/modify-page.tsx b/apps/cs/src/pages/contents/ui/modify-page.tsx
index 8986648c7..d771834c0 100644
--- a/apps/cs/src/pages/contents/ui/modify-page.tsx
+++ b/apps/cs/src/pages/contents/ui/modify-page.tsx
@@ -28,7 +28,7 @@ function ModifyPage({ sequential }: { sequential: string }) {
   const queryClient = useQueryClient();
   const { setMessage: alert } = useAlertStore((state) => state);
 
-  const contsSn = Number(sequential);
+  const contsSn = parseInt(sequential);
   const [contsVer, setContsVer] = useState(0);
 
   const { data: contentsVersionList } = useQuery({
@@ -135,7 +135,7 @@ function ModifyPage({ sequential }: { sequential: string }) {
           <Select
             value={contsVer.toString()}
             onValueChange={(value) => {
-              setContsVer(Number(value));
+              setContsVer(parseInt(value));
             }}
           >
             <SelectTrigger className="w-[28rem]">
diff --git a/apps/cs/src/pages/file/model/table-columns.tsx b/apps/cs/src/pages/file/model/table-columns.tsx
index 1974808f5..35d5507eb 100644
--- a/apps/cs/src/pages/file/model/table-columns.tsx
+++ b/apps/cs/src/pages/file/model/table-columns.tsx
@@ -30,7 +30,7 @@ export const createColumns = (
     header: "파일크기",
     cell: ({ row }) => {
       const size = row.getValue("atflFlieSz");
-      return size ? formatFileSize(Number(size)) : "0 Bytes";
+      return size ? formatFileSize(size as number) : "0 Bytes";
     },
   },
 
diff --git a/apps/cs/src/pages/image/ui/image-form.tsx b/apps/cs/src/pages/image/ui/image-form.tsx
index b334f1858..979ff931d 100644
--- a/apps/cs/src/pages/image/ui/image-form.tsx
+++ b/apps/cs/src/pages/image/ui/image-form.tsx
@@ -124,8 +124,8 @@ function ImageForm({ form, imgSn, ...props }: ImageFormProps) {
                           value={field.value ?? ""}
                           onChange={(e) => {
                             const value = e.target.value;
-                            if (isNaN(Number(value))) return;
-                            field.onChange(Number(value));
+                            if (isNaN(parseInt(value))) return;
+                            field.onChange(parseInt(value));
                           }}
                           className="w-[12rem] !text-[1.3rem]"
                           placeholder="정렬순서 입력"
diff --git a/apps/cs/src/pages/image/ui/modify-page.tsx b/apps/cs/src/pages/image/ui/modify-page.tsx
index 16163688e..e58bace78 100644
--- a/apps/cs/src/pages/image/ui/modify-page.tsx
+++ b/apps/cs/src/pages/image/ui/modify-page.tsx
@@ -36,7 +36,7 @@ function ModifyPage({ sequential }: { sequential: string }) {
   const { data: postHistory } = useQuery({
     queryKey: [ENDPOINT.CMS_SERVICE.POSTINGS, sequential],
     queryFn: () =>
-      PostingApi.getPostingHistory({ pstgTrgtNo: Number(sequential) }),
+      PostingApi.getPostingHistory({ pstgTrgtNo: parseInt(sequential) }),
   });
 
   const { mutateAsync: updateImage } = useMutation({
@@ -98,7 +98,7 @@ function ModifyPage({ sequential }: { sequential: string }) {
         </div>
         <ImageForm
           form={form}
-          imgSn={Number(sequential)}
+          imgSn={parseInt(sequential)}
           handleSave={updateImage}
           handleDelete={deleteImage}
         />
diff --git a/apps/cs/src/pages/module/ui/modify-page.tsx b/apps/cs/src/pages/module/ui/modify-page.tsx
index 8eff7f0a8..e22fd988a 100644
--- a/apps/cs/src/pages/module/ui/modify-page.tsx
+++ b/apps/cs/src/pages/module/ui/modify-page.tsx
@@ -40,7 +40,7 @@ function ModifyPage({ sequential }: { sequential: string }) {
       </div>
       <ModuleForm
         form={form}
-        authorizationNo={Number(sequential)}
+        authorizationNo={parseInt(sequential)}
         handleSave={updateAuthorization}
       />
     </div>
diff --git a/apps/cs/src/pages/module/ui/module-form.tsx b/apps/cs/src/pages/module/ui/module-form.tsx
index 4c0fdafbc..8ee685407 100644
--- a/apps/cs/src/pages/module/ui/module-form.tsx
+++ b/apps/cs/src/pages/module/ui/module-form.tsx
@@ -115,8 +115,8 @@ function ModuleForm({ form, authorizationNo, ...props }: BannerFormProps) {
                           value={field.value ?? ""}
                           onChange={(e) => {
                             const value = e.target.value;
-                            if (isNaN(Number(value))) return;
-                            field.onChange(Number(value));
+                            if (isNaN(parseInt(value))) return;
+                            field.onChange(parseInt(value));
                           }}
                           className="w-[12rem] !text-[1.3rem]"
                           placeholder="정렬순서 입력"
diff --git a/apps/cs/src/pages/organization/ui/organization-form.tsx b/apps/cs/src/pages/organization/ui/organization-form.tsx
index 4ddb94a57..438ed3549 100644
--- a/apps/cs/src/pages/organization/ui/organization-form.tsx
+++ b/apps/cs/src/pages/organization/ui/organization-form.tsx
@@ -119,7 +119,7 @@ function OrganizationForm({
                               type="number"
                               value={field.value ?? 0}
                               onChange={(e) =>
-                                field.onChange(Number(e.target.value))
+                                field.onChange(parseInt(e.target.value))
                               }
                               className="!text-[1.3rem]"
                               placeholder="정렬순서를 입력해주세요"
diff --git a/apps/cs/src/pages/organization/ui/user-organization-section.tsx b/apps/cs/src/pages/organization/ui/user-organization-section.tsx
index a3e4c5f68..60e401562 100644
--- a/apps/cs/src/pages/organization/ui/user-organization-section.tsx
+++ b/apps/cs/src/pages/organization/ui/user-organization-section.tsx
@@ -335,7 +335,7 @@ const UserCells = memo(
             min={0}
             defaultValue={user.sortSeq}
             onChange={(e) =>
-              updateFormValue(index, "sortSeq")(Number(e.target.value))
+              updateFormValue(index, "sortSeq")(parseInt(e.target.value))
             }
             className="w-[6rem] !text-[1.3rem]"
           />
diff --git a/apps/cs/src/pages/template/ui/modify-page.tsx b/apps/cs/src/pages/template/ui/modify-page.tsx
index 987725c7a..9209c0943 100644
--- a/apps/cs/src/pages/template/ui/modify-page.tsx
+++ b/apps/cs/src/pages/template/ui/modify-page.tsx
@@ -49,7 +49,7 @@ function ModifyPage({ sequential }: { sequential: string }) {
       </div>
       <TemplateForm
         form={form}
-        tmpltSn={Number(sequential)}
+        tmpltSn={parseInt(sequential)}
         handleSave={updateTemplate}
         handleDelete={deleteTemplate}
       />
diff --git a/apps/cs/src/pages/terms/ui/modify-page.tsx b/apps/cs/src/pages/terms/ui/modify-page.tsx
index 61522c2eb..bdfd176a4 100644
--- a/apps/cs/src/pages/terms/ui/modify-page.tsx
+++ b/apps/cs/src/pages/terms/ui/modify-page.tsx
@@ -45,7 +45,7 @@ function ModifyPage({ sequential }: { sequential: string }) {
       </div>
       <TermsForm
         form={form}
-        trmsSn={Number(sequential)}
+        trmsSn={parseInt(sequential)}
         handleSave={updateTerms}
         handleDelete={deleteTerms}
       />
diff --git a/apps/cs/src/shared/lib/use-tus.ts b/apps/cs/src/shared/lib/use-tus.ts
index fdaeb1f65..30976c23b 100644
--- a/apps/cs/src/shared/lib/use-tus.ts
+++ b/apps/cs/src/shared/lib/use-tus.ts
@@ -34,7 +34,7 @@ export const useTus = () => {
       },
       onProgress(bytesUploaded, bytesTotal) {
         const percentage = ((bytesUploaded / bytesTotal) * 100).toFixed(2);
-        setProgress(Number(percentage));
+        setProgress(parseInt(percentage));
       },
       onAfterResponse(req, res) {
         const fileInfo = res.getHeader("X-File-Info");