diff --git a/src/app/api/auth/route.ts b/src/app/api/auth/route.ts
index c41c260..8593430 100644
--- a/src/app/api/auth/route.ts
+++ b/src/app/api/auth/route.ts
@@ -128,9 +128,12 @@ export async function POST(request: Request) {
       resultForSession.ROLE = 'T01'
     } else if (result.data.data.groupId === '60000') {
       resultForSession.ROLE = 'Admin'
-    } else if (result.data.data.groupId === '70000' && result.data.data.builderNo === null) {
+    } else if (result.data.data.groupId === '70000' && result.data.data.builderNo === null && result.data.data.userAuthCd !== 'B') {
       resultForSession.ROLE = 'Admin_Sub'
-    } else if (result.data.data.groupId === '70000' && result.data.data.builderNo !== null) {
+    } else if (
+      (result.data.data.groupId === '70000' && result.data.data.builderNo !== null) ||
+      (result.data.data.groupId === '70000' && result.data.data.builderNo === null && result.data.data.userAuthCd === 'B')
+    ) {
       resultForSession.ROLE = 'Builder'
     } else {
       resultForSession.ROLE = 'User'