From c411d866bbca86fa8390d427d80640952b9c580a Mon Sep 17 00:00:00 2001
From: umsangdon <umsangdon@gmail.com>
Date: Fri, 25 Sep 2026 16:55:05 +0900
Subject: [PATCH] =?UTF-8?q?fix(sheet):=20=ED=95=A9=EA=B3=84=20=EC=B9=B8=20?=
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Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Tjoit7rxvpLMM7cafeVTo1
---
 ui_template/sheet/ui_template_sheet_render.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/ui_template/sheet/ui_template_sheet_render.ts b/ui_template/sheet/ui_template_sheet_render.ts
index 2ef7da45..72737824 100644
--- a/ui_template/sheet/ui_template_sheet_render.ts
+++ b/ui_template/sheet/ui_template_sheet_render.ts
@@ -240,7 +240,11 @@ export function renderSheet(state: RenderState): HTMLElement {
       cols.forEach((col, j) => {
         const td = bodyCell(`t:${total.id}`, col, j, shown(state.result.합계[total.id]?.[col.id]));
         const formula = totalFormula(total, col);
-        if (formula) td.title = formulaLabel(formula, names);
+        if (formula)
+          td.title = td.classList.contains("is-error")
+            ? `${td.title}
+${formulaLabel(formula, names)}`
+            : formulaLabel(formula, names);
         tr.append(td);
       });
       return tr;