diff --git a/src/components/management/StuffDetail.jsx b/src/components/management/StuffDetail.jsx
index a3a0a607..12eef9ff 100644
--- a/src/components/management/StuffDetail.jsx
+++ b/src/components/management/StuffDetail.jsx
@@ -1046,6 +1046,33 @@ export default function StuffDetail() {
       form.setValue('otherSaleStoreId', info.saleStoreId)
       form.setValue('otherSaleStoreName', info.saleStoreName)
       form.setValue('otherSaleStoreLevel', info.saleStoreLevel)
+      get({ url: `/api/object/saleStore/${info.saleStoreId}/firstAgent` }).then((res) => {
+        if (res?.firstAgentId) {
+          const firstAgent = { saleStoreId: res.firstAgentId, saleStoreName: res.firstAgentName }
+          setSaleStoreList((prev) => {
+            const exists = prev.some((s) => s.saleStoreId === res.firstAgentId)
+            return exists ? prev : [...prev, firstAgent]
+          })
+          setShowSaleStoreList((prev) => {
+            const exists = prev.some((s) => s.saleStoreId === res.firstAgentId)
+            return exists ? prev : [...prev, firstAgent]
+          })
+          setSelOptions(res.firstAgentId)
+          form.setValue('saleStoreId', res.firstAgentId)
+          form.setValue('saleStoreName', res.firstAgentName)
+          form.setValue('saleStoreLevel', '1')
+        } else {
+          setSelOptions('')
+          form.setValue('saleStoreId', '')
+          form.setValue('saleStoreName', '')
+          form.setValue('saleStoreLevel', '')
+        }
+      }).catch(() => {
+        setSelOptions('')
+        form.setValue('saleStoreId', '')
+        form.setValue('saleStoreName', '')
+        form.setValue('saleStoreLevel', '')
+      })
     }
   }
 
diff --git a/src/components/management/popup/PlanRequestPop.jsx b/src/components/management/popup/PlanRequestPop.jsx
index 2714a4e4..25df22f0 100644
--- a/src/components/management/popup/PlanRequestPop.jsx
+++ b/src/components/management/popup/PlanRequestPop.jsx
@@ -11,7 +11,7 @@ import { isObjectNotEmpty, queryStringFormatter } from '@/util/common-utils'
 import QPagination from '@/components/common/pagination/QPagination'
 import { useSwal } from '@/hooks/useSwal'
 import { QcastContext } from '@/app/QcastProvider'
-import { sanitizeDecimalInputEvent } from '@/util/input-utils'
+import { sanitizeDecimalInputEvent, sanitizeIntegerInputEvent } from '@/util/input-utils'
 
 export default function PlanRequestPop(props) {
   const [pageNo, setPageNo] = useState(1) //현재 페이지 번호
@@ -212,6 +212,7 @@ export default function PlanRequestPop(props) {
   //설계의뢰 그리드에서 선택한 설계의뢰 정보
   const getSelectedRowdata = (data) => {
     if (isNotEmptyArray(data)) {
+      console.log('planReqObject fields:', data[0])
       setPlanReqObject(data[0])
     } else {
       setPlanReqObject({})