diff --git a/M02_MasterTemplete/M02_MasterTemplete_Labor_Detail.ts b/M02_MasterTemplete/M02_MasterTemplete_Labor_Detail.ts
index e38ba6874..31e8cd9b9 100644
--- a/M02_MasterTemplete/M02_MasterTemplete_Labor_Detail.ts
+++ b/M02_MasterTemplete/M02_MasterTemplete_Labor_Detail.ts
@@ -478,15 +478,11 @@ export function mountLaborDetail(
   };
   const libMeta = (): HTMLElement[] => {
     if (promote) {
-      const link = (meta.연결 ?? {}) as { 로직?: string; 키?: string; 출처?: string };
+      const link = (meta.연결 ?? {}) as { 로직?: string; 출처?: string };
       return [
         readField(tc("Sub"), "구분", meta.구분 ?? ""),
         readField(tc("Detail"), "상세구분", meta.상세구분 ?? ""),
-        readField(
-          tc("Lib_Link"),
-          "연결",
-          [link.로직 ?? link.키, link.출처].filter(Boolean).join(" · "),
-        ),
+        readField(tc("Lib_Link"), "연결", [link.로직, link.출처].filter(Boolean).join(" · ")),
       ];
     }
     const sub = createSelectField({ options: [], label: tc("Sub"), disabled: !edit });
@@ -494,9 +490,11 @@ export function mountLaborDetail(
     sub.root.dataset.laborField = "구분";
     detail.root.dataset.laborField = "상세구분";
     let subs: SubBrief[] = [];
-    // 목록에 없는 지금 값도 선택지로 둠
+    // 목록에 없는 지금 값(빈 것 = 「—」 · 옛 문서)도 선택지로 둠
     const opts = (names: string[], now: string | null | undefined) =>
-      [...new Set([...(now ? [now] : []), ...names])].map((v) => ({ value: v, text: v }));
+      [...new Set([now ?? "", ...names])]
+        .filter((v, i) => v || i === 0)
+        .map((v) => ({ value: v, text: v || "—" }));
     const fill = (): void => {
       sub.setOptions(
         opts(
diff --git a/resources/tester/ui_checks/51-12_서고_구분.js b/resources/tester/ui_checks/51-12_서고_구분.js
index 87d16fb80..52e315697 100644
--- a/resources/tester/ui_checks/51-12_서고_구분.js
+++ b/resources/tester/ui_checks/51-12_서고_구분.js
@@ -126,7 +126,7 @@
     btn(document.querySelector(".m02-main__slot"), "생성").click();
     const box = await until(() => document.querySelector(".m02-modal"));
     box.querySelector("input").value = "시험 51-12";
-    btn(box, "생성").click();
+    btn(box, "만들기").click();
     await until(() => posted);
     btn(document.querySelector(".m02-modal"), "닫기")?.click();
     document.querySelector(".m02-modal")?.closest(".ui-modal__backdrop, .ui-modal")?.remove();