diff --git a/apps/st/src/components/module/DataGrid.tsx b/apps/st/src/components/module/DataGrid.tsx
index fea761a3f..dd2f84f6f 100644
--- a/apps/st/src/components/module/DataGrid.tsx
+++ b/apps/st/src/components/module/DataGrid.tsx
@@ -955,7 +955,7 @@ const DataGrid = ({
         try {
             gv.commit?.();
         } catch {
-            /* ignore */
+            console.error('commit error');
         }
         const ds = gv.getDataSource();
         if (!ds) return rowDataRef.current.map((r) => ({ ...r }));
@@ -1954,7 +1954,7 @@ useEffect(() => {
                       }
                     | undefined;
                 if (!gv?.getDataSource) return [];
-                try { gv.commit?.(); } catch { /* ignore */ }
+                try { gv.commit?.(); } catch { console.error('commit error'); }
                 const ds = gv.getDataSource();
                 if (!ds) return [];
                 const cnt = ds.getRowCount();
@@ -2022,7 +2022,7 @@ useEffect(() => {
                     column.footer.styleName = styleName;
                 }
             } catch {
-                /* ignore */
+                console.error('총계 스타일 재적용/초기화 error');
             }
         });
         gridView.refresh?.();
diff --git a/apps/st/src/components/module/TabDataGrid.tsx b/apps/st/src/components/module/TabDataGrid.tsx
index 04b372333..3da27a42d 100644
--- a/apps/st/src/components/module/TabDataGrid.tsx
+++ b/apps/st/src/components/module/TabDataGrid.tsx
@@ -104,7 +104,7 @@ function safeGridViewRefresh(gv: { refresh?: () => void } | null | undefined) {
     try {
         gv.refresh();
     } catch {
-        /* noop */
+        console.error('refresh error');
     }
 }
 
diff --git a/apps/st/src/components/module/VerificationResultDialog.tsx b/apps/st/src/components/module/VerificationResultDialog.tsx
index f52eeb1d1..4fda1f5a0 100644
--- a/apps/st/src/components/module/VerificationResultDialog.tsx
+++ b/apps/st/src/components/module/VerificationResultDialog.tsx
@@ -68,7 +68,7 @@ function setRowCheckByItemIndex(
     try {
         gv?.checkItem?.(itemIndex, checked, false);
     } catch {
-        /* RealGrid 체크 API 미지원 등 */
+        console.error('RealGrid 체크 API error');
     }
 }
 
diff --git a/apps/st/src/components/module/VerificationResultHistoryDialog.tsx b/apps/st/src/components/module/VerificationResultHistoryDialog.tsx
index 958ccf40d..9eff0b060 100644
--- a/apps/st/src/components/module/VerificationResultHistoryDialog.tsx
+++ b/apps/st/src/components/module/VerificationResultHistoryDialog.tsx
@@ -91,7 +91,7 @@ function uncheckGridRow(gridRef: MutableRefObject<RealGridReact | null>, itemInd
     try {
         (gridRef.current?.gridView as GridViewWithCheckApi | undefined)?.checkItem?.(itemIndex, false, false);
     } catch {
-        /* ignore */
+        console.error('RealGrid 체크 API error');
     }
 }
 
diff --git a/apps/st/src/components/statistics/review/ReviewOpinionDialog.tsx b/apps/st/src/components/statistics/review/ReviewOpinionDialog.tsx
index 8ddde5566..ac2232999 100644
--- a/apps/st/src/components/statistics/review/ReviewOpinionDialog.tsx
+++ b/apps/st/src/components/statistics/review/ReviewOpinionDialog.tsx
@@ -103,7 +103,7 @@ export function ReviewOpinionDialog({
             resetForm();
             onOpenChange(false);
         } catch {
-            /* 저장 실패 시 부모에서 alert 후 throw — 다이얼로그는 유지 */
+            console.error('검토 의견 저장 error');
         } finally {
             setIsSaving(false);
         }
diff --git a/apps/st/src/pages/auth/login/ui/login-page.tsx b/apps/st/src/pages/auth/login/ui/login-page.tsx
index 7d07803ba..8fbc466d5 100644
--- a/apps/st/src/pages/auth/login/ui/login-page.tsx
+++ b/apps/st/src/pages/auth/login/ui/login-page.tsx
@@ -24,8 +24,8 @@ function LoginPage() {
             await authService.login({ userId, password });
             try {
                 await statisticsApi.refreshAllCommonCodes();
-            } catch {
-                // 로그인 성공 후 캐시 동기화 실패는 진입을 막지 않음
+            } catch(error) {
+                console.error('로그인 실패');
             }
             window.location.href = "/statistics";
         } catch (error) {