diff --git a/src/app/api/comm-code/route.ts b/src/app/api/comm-code/route.ts
index 71acdd1..5959fb0 100644
--- a/src/app/api/comm-code/route.ts
+++ b/src/app/api/comm-code/route.ts
@@ -7,9 +7,8 @@ async function getCommCode(request: NextRequest): Promise<NextResponse> {
   try {
     const searchParams = request.nextUrl.searchParams
     const headId = searchParams.get('headId')
-    if (headId === 'QNA_CD') {
-      return getQnaCd()
-    }
+
+    if (!headId) return NextResponse.json({ error: '필수 파라미터가 없습니다' }, { status: 400 })
 
     // @ts-ignore
     const commHeadData = await prisma.BC_COMM_H.findFirst({
@@ -21,15 +20,10 @@ async function getCommCode(request: NextRequest): Promise<NextResponse> {
       },
     })
 
-    if (!commHeadData) {
-      return NextResponse.json({ error: `${headId}를 찾을 수 없습니다` }, { status: 404 })
-    }
+    if (!commHeadData) return NextResponse.json({ error: `${headId}를 찾을 수 없습니다` }, { status: 404 })
 
-    if (headId === 'SALES_OFFICE_CD') {
-      return getSaleOffice(commHeadData.HEAD_CD)
-    }
     // @ts-ignore
-    const roofMaterials: CommCode[] = await prisma.BC_COMM_L.findMany({
+    const results: CommCode[] = await prisma.BC_COMM_L.findMany({
       where: {
         HEAD_CD: commHeadData.HEAD_CD,
       },
@@ -37,12 +31,13 @@ async function getCommCode(request: NextRequest): Promise<NextResponse> {
         HEAD_CD: true,
         CODE: true,
         CODE_JP: true,
+        REF_CHR1: true,
       },
       orderBy: {
         CODE: 'asc',
       },
     })
-    return NextResponse.json(roofMaterials)
+    return NextResponse.json(results)
   } catch (error) {
     console.error('❌ 데이터 조회 중 오류가 발생했습니다:', error)
     return NextResponse.json({ error: '데이터 조회 중 오류가 발생했습니다' }, { status: 500 })
diff --git a/src/types/CommCode.ts b/src/types/CommCode.ts
index 5847047..fc82431 100644
--- a/src/types/CommCode.ts
+++ b/src/types/CommCode.ts
@@ -2,4 +2,5 @@ export type CommCode = {
   headCd: string
   code: string
   codeJp: string
+  refChr1: string
 }