diff --git a/packages/common/components/src/api/attachment.ts b/packages/common/components/src/api/attachment.ts
index f1645013e..0634f93c3 100644
--- a/packages/common/components/src/api/attachment.ts
+++ b/packages/common/components/src/api/attachment.ts
@@ -7,7 +7,7 @@ const BASE_URL = `${PROXY_HOST}/server`;
 export const getImageUrlByAtflCd = async (atflCd: string): Promise<string> => {
   if (!atflCd) return "";
   const response = await fetch(
-    `${BASE_URL}/${ENDPOINT.ATTACH_SERVICE.IMAGES}/atflCd/${atflCd}`,
+    `${BASE_URL}${ENDPOINT.ATTACH_SERVICE.IMAGES}/atflCd/${atflCd}`,
   );
   const blob = await response.blob();
   return URL.createObjectURL(blob);
diff --git a/packages/common/components/src/api/banner.ts b/packages/common/components/src/api/banner.ts
index b002755be..8d9962529 100644
--- a/packages/common/components/src/api/banner.ts
+++ b/packages/common/components/src/api/banner.ts
@@ -23,7 +23,7 @@ const client = getApiClient();
 
 export const getBannerList = async (siteId: string) => {
   const response = await client.get<Banner[]>(
-    `${BASE_URL}/${ENDPOINT.CMS_SERVICE.BANNERS}/${siteId}`,
+    `${BASE_URL}${ENDPOINT.CMS_SERVICE.BANNERS}/${siteId}`,
     {
       method: "GET",
       headers: {
diff --git a/packages/common/components/src/api/site.ts b/packages/common/components/src/api/site.ts
index 04eb40455..bfe0f3275 100644
--- a/packages/common/components/src/api/site.ts
+++ b/packages/common/components/src/api/site.ts
@@ -59,7 +59,7 @@ const BASE_URL = `${PROXY_HOST}/server`;
 
 export const getSiteInfo = async (siteId: string) => {
   const response = await fetch(
-    `${BASE_URL}/${ENDPOINT.CMS_SERVICE.SITES}/${siteId}`,
+    `${BASE_URL}${ENDPOINT.CMS_SERVICE.SITES}/${siteId}`,
     {
       method: "GET",
       headers: {
@@ -74,7 +74,7 @@ const client = getApiClient();
 
 export const getSiteList = async () => {
   const response = await client.get<SiteListResponse>(
-    `${BASE_URL}/${ENDPOINT.CMS_SERVICE.SITE_LIST}`,
+    `${BASE_URL}${ENDPOINT.CMS_SERVICE.SITE_LIST}`,
     {
       method: "GET",
       headers: {