diff --git a/M01_MasterData/SheetLogic/M01_SL_Entry.ts b/M01_MasterData/SheetLogic/M01_SL_Entry.ts
index d8ac397c7..3398ed630 100644
--- a/M01_MasterData/SheetLogic/M01_SL_Entry.ts
+++ b/M01_MasterData/SheetLogic/M01_SL_Entry.ts
@@ -17,8 +17,8 @@ import {
 } from "@ui/ui_template_elements";
 import { openModal } from "@ui/ui_template_modal";
 import { listEasy, plainError, type EasyListItem } from "../EasyCalc/M01_EasyCalc_Api";
-import { slList, type SlListItem } from "./M01_SL_Api";
-import { newLogic, type SheetLogic } from "./M01_SL_Model";
+import type { SlListItem } from "./M01_SL_Api";
+import type { SheetLogic } from "./M01_SL_Model";
 import "./M01_SL_Entry.css";
 
 const TEXT = {
@@ -76,15 +76,12 @@ const amountOf = (resultUnit: string): string => {
 };
 const isMoney = (resultUnit: string): boolean => resultUnit.startsWith("원/");
 
-/* ponytail: SL Api(sub4) · Model(sub7) 속이 「준비 중」 인 동안만 대신함 — 채워지면 두 catch 를 지움 */
-const loadMine = (): Promise<SlListItem[]> => slList().catch(() => []);
-const blankLogic = (name: string, unit: string): SheetLogic | null => {
-  try {
-    return newLogic(name, unit);
-  } catch {
-    return null;
-  }
-};
+/* SheetLogic 파일은 늦게 불러옴(import()) — 스프레드시트 엔진이 M01 첫 묶음에 안 들어가게.
+ * ponytail: SL Api(sub4) · Model(sub7) 속이 「준비 중」 인 동안만 빈 목록 · null 로 대신함 — 채워지면 catch 를 지움 */
+const loadMine = (): Promise<SlListItem[]> =>
+  import("./M01_SL_Api").then((m) => m.slList()).catch(() => []);
+const blankLogic = (name: string, unit: string): Promise<SheetLogic | null> =>
+  import("./M01_SL_Model").then((m) => m.newLogic(name, unit)).catch(() => null);
 
 /** 「로직 만들기(시험)」 옆에 놓는 단추 — 누르면 큰 창 */
 export function createSheetLogicButton(): HTMLButtonElement {
@@ -235,7 +232,9 @@ function openSheetLogic(): void {
   const showPaper = (): void => {
     let dirty = false;
     const units = unitChoices();
-    paper = { dirty: () => dirty, sl: blankLogic("", units[0]) };
+    const mine: { dirty(): boolean; sl: SheetLogic | null } = { dirty: () => dirty, sl: null };
+    paper = mine;
+    void blankLogic("", units[0]).then((sl) => (mine.sl = sl));
 
     const unsaved = createTag(te("Unsaved"), "warning");
     unsaved.hidden = true;