diff --git a/plm-api/src/controllers/app/salesmgmt/contractwbs.controller.js b/plm-api/src/controllers/app/salesmgmt/contractwbs.controller.js
index 5bc95c2..1496bfd 100644
--- a/plm-api/src/controllers/app/salesmgmt/contractwbs.controller.js
+++ b/plm-api/src/controllers/app/salesmgmt/contractwbs.controller.js
@@ -42,12 +42,11 @@ router.post(
   }
 );
 
-// Update carMng
+// Update
 router.put(
-  "/carmngUpdate/:id",
+  "/Update/:id",
   [
     param("id").isUUID().withMessage("유효한 ID가 필요합니다"),
-    body("car_code").optional().notEmpty().withMessage("car 코드가 필요합니다"),
     body("oem_id").optional().notEmpty().withMessage("고객사가 필요합니다"),
     body("companyId").optional().isUUID().withMessage("유효한 회사 ID가 필요합니다"),
     validate,
@@ -70,7 +69,7 @@ router.put(
         });
       }
 
-      const updatedcarMng = await Service.updateCarMng(req.params.id, req.body, req.user);
+      const updatedcarMng = await Service.update(req.params.id, req.body, req.user);
       res.json(updatedcarMng);
     } catch (error) {
       next(error);
@@ -80,7 +79,7 @@ router.put(
 
 // Delete CarMng
 router.delete(
-  "/carmngDelete/:id",
+  "/Delete/:id",
   [
     param("id").isUUID().withMessage("유효한 ID가 필요합니다"),
     validate,
diff --git a/plm-api/src/services/contractwbs.service.js b/plm-api/src/services/contractwbs.service.js
index 89d8ab3..a43d3b5 100644
--- a/plm-api/src/services/contractwbs.service.js
+++ b/plm-api/src/services/contractwbs.service.js
@@ -113,13 +113,13 @@ class ContractWbsService {
     return ResultData;
   }
 
-  async updateCarMng(id, updateData, currentUser) {
+  async update(id, updateData, currentUser) {
     const { roleId, ...carMngFields } = updateData;
 
     const carMng = await ContractWbs.findByPk(id);
     if (!carMng) throw new Error("CarMng not found");
 
-    // company_admin은 특정 필드를 수정할 수 없음 (예: role을 super_admin으로 변경 불가)
+    // company_admin 권한 체크
     if (currentUser.role === "company_admin") {
       if (updateData.role && updateData.role === "super_admin") {
         throw new Error("super_admin 역할을 부여할 수 없습니다");
@@ -127,7 +127,13 @@ class ContractWbsService {
       updateData.companyId = currentUser.companyId;
     }
 
-    const updatedCarMng = await ContractWbs.update(carMngFields);
+    // where 조건을 포함하여 업데이트
+    await ContractWbs.update(carMngFields, {
+      where: { id: id }
+    });
+
+    // 업데이트된 데이터 조회
+    const updatedCarMng = await ContractWbs.findByPk(id);
 
     if (roleId) {
       const role = await Role.findOne({
diff --git a/plm-app/src/app/(user)/salesmgmt/contractwbs/page.tsx b/plm-app/src/app/(user)/salesmgmt/contractwbs/page.tsx
index ea0d094..b34333c 100644
--- a/plm-app/src/app/(user)/salesmgmt/contractwbs/page.tsx
+++ b/plm-app/src/app/(user)/salesmgmt/contractwbs/page.tsx
@@ -47,7 +47,7 @@ const Page = () => {
       });
       return {
         ...data,
-        contractWbss: data.resultData.map((wbs: contractWbs) => ({  // resultData 사용
+        resultData: data.resultData.map((wbs: contractWbs) => ({  // resultData 사용
           ...wbs,
         })),
       };
@@ -86,7 +86,7 @@ const Page = () => {
       return data;
     },
     onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: ["carMngs"] });
+      queryClient.invalidateQueries({ queryKey: ["contractWbs"] }); // carMngs에서 contractWbs로 수정
       setIsOpen(false);
       toast({
         title: "영업 WBS 생성",
@@ -104,25 +104,25 @@ const Page = () => {
 
   // Update user mutation
   const updateMutation = useMutation({
-    mutationFn: async (carData: Partial<contractWbs>) => {
+    mutationFn: async (contractWbsData: Partial<contractWbs>) => {
       const { data } = await api.put<contractWbs>(
-        `/api/v1/app/contractwbs/carmngUpdate/${carData.id}`,
-        carData
+        `/api/v1/app/contractwbs/Update/${contractWbsData.id}`,
+        contractWbsData
       );
       return data;
     },
     onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: ["carMngs"] });
+      queryClient.invalidateQueries({ queryKey: ["contractWbs"] }); // carMngs에서 contractWbs로 수정
       setIsOpen(false);
       setEditingUser(null);
       toast({
-        title: "차종 수정",
-        description: "차종 정보가 수정되었습니다.",
+        title: "영업 WBS 수정",
+        description: "영업 WBS 정보가 수정되었습니다.",
       });
     },
     onError: (error: AxiosError) => {
       toast({
-        title: "차종 수정 실패",
+        title: "영업 WBS 수정 실패",
         description: (error.response?.data as { message: string }).message,
         variant: "destructive",
       });
@@ -132,10 +132,10 @@ const Page = () => {
   // Delete user mutation
   const deleteMutation = useMutation({
     mutationFn: async (id: string) => {
-      await api.delete(`/api/v1/app/contractwbs/carmngDelete/${id}`);
+      await api.delete(`/api/v1/app/contractwbs/Delete/${id}`);
     },
     onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: ["carMngs"] });
+      queryClient.invalidateQueries({ queryKey: ["contractWbs"] }); // carMngs에서 contractWbs로 수정
       toast({
         title: "영업 WBS 삭제",
         description: "영업 WBS가 삭제되었습니다.",
@@ -163,7 +163,7 @@ const Page = () => {
     },
     {
       accessorKey: "oem.oem_name",  // 중첩 객체 접근 방식 확인
-      header: "고객사명",
+      header: "고객사",
       meta: {
         width: "120px",
         textAlign: "center",
@@ -179,31 +179,35 @@ const Page = () => {
     },
     {
       accessorKey: "car_code",
-      header: "차종코드",
+      header: "WBS",
       meta: {
         width: "120px",
         textAlign: "center",
       },
     },
     {
-      accessorKey: "code.code_name",
-      header: "차종grade",
+      accessorKey: "writer",
+      header: "등록자",
       meta: {
         width: "120px",
         textAlign: "center",
       },
     },
     {
-      accessorKey: "car_desc",
-      header: "설명",
+      accessorKey: "updatedAt",
+      header: "등록일",
       meta: {
         width: "200px",
         textAlign: "center",
       },
+      cell: ({ row }) => {
+        const date = new Date(row.original.updatedAt);
+        return `${date.getFullYear()}-${String(date.getMonth() + 1).padStart(2, '0')}-${String(date.getDate()).padStart(2, '0')} ${String(date.getHours()).padStart(2, '0')}:${String(date.getMinutes()).padStart(2, '0')}`;
+      }
     },
     {
       accessorKey: "isActive",
-      header: "활성화",
+      header: "상태",
       meta: {
         width: "100px",
         textAlign: "center",
diff --git a/plm-app/src/types/salesmgmt/contractwbs.ts b/plm-app/src/types/salesmgmt/contractwbs.ts
index 778ff94..4b257bb 100644
--- a/plm-app/src/types/salesmgmt/contractwbs.ts
+++ b/plm-app/src/types/salesmgmt/contractwbs.ts
@@ -19,5 +19,4 @@ export interface PaginatedResponse {
   total: number;
   totalPages: number;
   currentPage: number;
-  resultData: contractWbs[];  // contractWbss가 아닌 resultData로 수정
-}
\ No newline at end of file
+  resultData: contractWbs[]; 
\ No newline at end of file