diff --git a/src/components/Modal/HWModal.ts b/src/components/Modal/HWModal.ts
index 2b5c482..f089c5d 100644
--- a/src/components/Modal/HWModal.ts
+++ b/src/components/Modal/HWModal.ts
@@ -296,7 +296,8 @@ class HwAssetModal extends BaseModal {
     document.getElementById('btn-gen-hw-code')?.addEventListener('click', async () => {
       const cat = categorySelect.value;
       if (!cat) { alert('구분을 먼저 선택해주세요.'); return; }
-      const prefix = TYPE_PREFIX_MAP[cat] || 'ETC';
+      const type = (document.getElementById('hw-asset_type') as HTMLSelectElement)?.value || '';
+      const prefix = TYPE_PREFIX_MAP[type] || TYPE_PREFIX_MAP[cat] || 'ETC';
       const purchaseDate = (document.getElementById('hw-purchase_date') as HTMLInputElement)?.value || '';
       try {
         const res = await fetch(`/api/generate-asset-code?prefix=${prefix}&purchaseDate=${purchaseDate}`);
@@ -382,7 +383,8 @@ class HwAssetModal extends BaseModal {
       if (!assetCode) {
         const cat = categorySelect.value;
         if (!cat) { alert('구분을 먼저 선택해주세요.'); return; }
-        const prefix = TYPE_PREFIX_MAP[cat] || 'ETC';
+        const type = (document.getElementById('hw-asset_type') as HTMLSelectElement)?.value || '';
+        const prefix = TYPE_PREFIX_MAP[type] || TYPE_PREFIX_MAP[cat] || 'ETC';
         const purchaseDate = (document.getElementById('hw-purchase_date') as HTMLInputElement)?.value || '';
         try {
           const res = await fetch(`/api/generate-asset-code?prefix=${prefix}&purchaseDate=${purchaseDate}`);
diff --git a/src/components/Modal/SharedData.ts b/src/components/Modal/SharedData.ts
index c3df28e..8f14aa7 100644
--- a/src/components/Modal/SharedData.ts
+++ b/src/components/Modal/SharedData.ts
@@ -43,6 +43,7 @@ export const TYPE_PREFIX_MAP: Record<string, string> = {
   '저장매체': 'STM', 'HDD': 'HDD', 'SSD': 'SSD',
   '노트북': 'NBK', '태블릿': 'TAB',
   '드론': 'DRO', '측량장비': 'SUR', '보조기기': 'SUR', '허브': 'NET', 
+  '모니터': 'MON',
   '구독SW': 'SW', '영구SW': 'SW', '내부' : 'SW_INT', '외부':'SW_EXT'
 };