diff --git a/src/components/management/StuffDetail.jsx b/src/components/management/StuffDetail.jsx
index e16af2b9..83e792f6 100644
--- a/src/components/management/StuffDetail.jsx
+++ b/src/components/management/StuffDetail.jsx
@@ -1036,6 +1036,18 @@ export default function StuffDetail() {
       form.setValue('saleStoreName', info.saleStoreName)
       form.setValue('saleStoreLevel', info.saleStoreLevel)
     } else {
+      // [PLANREQ-MATCH 2026-05-15] 2차 user: 매핑 실패 시 planReqNo 클리어 + 본인 store 로 초기화 → 2차 select disable 자동 해제
+      if (session?.storeLvl === '2') {
+        const matched = otherSaleStoreList.some((o) => o.saleStoreId === info.saleStoreId)
+        if (!matched) {
+          form.setValue('planReqNo', '')
+          setOtherSelOptions(session?.storeId)
+          form.setValue('otherSaleStoreId', session?.storeId)
+          form.setValue('otherSaleStoreName', '')
+          form.setValue('otherSaleStoreLevel', session?.storeLvl)
+          return
+        }
+      }
       setOtherSelOptions(info.saleStoreId)
       form.setValue('otherSaleStoreId', info.saleStoreId)
       form.setValue('otherSaleStoreName', info.saleStoreName)
@@ -2034,13 +2046,12 @@ export default function StuffDetail() {
                             getOptionLabel={(x) => x.saleStoreName}
                             getOptionValue={(x) => x.saleStoreId}
                             isDisabled={
+                              // [PLANREQ-MATCH 2026-05-15] 2차 user 는 하위 store 선택이 가능해야 하므로 항상 enable
                               session?.storeLvl === '1'
                                 ? otherSaleStoreList.length > 0
                                   ? false
                                   : true
-                                : otherSaleStoreList.length === 1
-                                  ? true
-                                  : false
+                                : false
                             }
                             isClearable={true}
                             value={otherSaleStoreList.filter(function (option) {
@@ -2633,15 +2644,14 @@ export default function StuffDetail() {
                                 getOptionLabel={(x) => x.saleStoreName}
                                 getOptionValue={(x) => x.saleStoreId}
                                 isDisabled={
+                                  // [PLANREQ-MATCH 2026-05-15] 2차 user 는 하위 store 선택이 가능해야 하므로 항상 enable (tempFlg='0' 잠금만 유지)
                                   managementState?.tempFlg === '0'
                                     ? true
                                     : session?.storeLvl === '1'
                                       ? otherSaleStoreList.length > 0
                                         ? false
                                         : true
-                                      : otherSaleStoreList.length === 1
-                                        ? true
-                                        : false
+                                      : false
                                 }
                                 isClearable={managementState?.tempFlg === '0' ? false : true}
                                 value={otherSaleStoreList.filter(function (option) {