diff --git a/frontend/components/pop/designer/types/pop-layout.ts b/frontend/components/pop/designer/types/pop-layout.ts
index 1d862438..15e70c65 100644
--- a/frontend/components/pop/designer/types/pop-layout.ts
+++ b/frontend/components/pop/designer/types/pop-layout.ts
@@ -442,7 +442,8 @@ export function resolveModalWidth(
   viewportWidth: number,
 ): number {
   const preset = sizeConfig?.modeOverrides?.[mode] ?? sizeConfig?.default ?? "md";
-  const presetWidth = MODAL_SIZE_PRESETS[preset].width;
+  const presetEntry = MODAL_SIZE_PRESETS[preset] ?? MODAL_SIZE_PRESETS.md;
+  const presetWidth = presetEntry.width;
   // full이면 뷰포트 전체, 아니면 프리셋과 뷰포트 중 작은 값
   if (preset === "full") return viewportWidth;
   return Math.min(presetWidth, viewportWidth);
diff --git a/frontend/components/pop/viewer/PopViewerWithModals.tsx b/frontend/components/pop/viewer/PopViewerWithModals.tsx
index e8fb1569..8d6e4227 100644
--- a/frontend/components/pop/viewer/PopViewerWithModals.tsx
+++ b/frontend/components/pop/viewer/PopViewerWithModals.tsx
@@ -11,7 +11,7 @@
 
 "use client";
 
-import { useState, useCallback, useEffect } from "react";
+import { useState, useCallback, useEffect, useMemo } from "react";
 import {
   Dialog,
   DialogContent,
@@ -65,9 +65,13 @@ export default function PopViewerWithModals({
   const { subscribe, publish } = usePopEvent(screenId);
 
   // 연결 해석기: layout에 정의된 connections를 이벤트 라우팅으로 변환
+  const stableConnections = useMemo(
+    () => layout.dataFlow?.connections ?? [],
+    [layout.dataFlow?.connections]
+  );
   useConnectionResolver({
     screenId,
-    connections: layout.dataFlow?.connections || [],
+    connections: stableConnections,
   });
 
   // 모달 열기/닫기 이벤트 구독
diff --git a/frontend/lib/registry/pop-components/pop-search/PopSearchComponent.tsx b/frontend/lib/registry/pop-components/pop-search/PopSearchComponent.tsx
index e1a33021..380cc103 100644
--- a/frontend/lib/registry/pop-components/pop-search/PopSearchComponent.tsx
+++ b/frontend/lib/registry/pop-components/pop-search/PopSearchComponent.tsx
@@ -407,7 +407,8 @@ function ModalDialog({ open, onOpenChange, modalConfig, title, onSelect }: Modal
       setActiveFilterTab(hasFilterTabs ? filterTabs![0] : null);
       fetchData();
     }
-  }, [open, fetchData, hasFilterTabs, filterTabs]);
+  // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [open, fetchData, hasFilterTabs]);
 
   // 필터링된 행 계산
   const filteredRows = useMemo(() => {