diff --git a/backend-node/src/services/tableManagementService.ts b/backend-node/src/services/tableManagementService.ts
index 5fb06ba7..294cfa40 100644
--- a/backend-node/src/services/tableManagementService.ts
+++ b/backend-node/src/services/tableManagementService.ts
@@ -899,6 +899,18 @@ export class TableManagementService {
       if (search && Object.keys(search).length > 0) {
         for (const [column, value] of Object.entries(search)) {
           if (value !== null && value !== undefined && value !== "") {
+            // 🎯 추가 조인 컬럼들은 실제 테이블 컬럼이 아니므로 제외
+            const additionalJoinColumns = [
+              "company_code_status",
+              "writer_dept_code",
+            ];
+            if (additionalJoinColumns.includes(column)) {
+              logger.info(
+                `🔍 추가 조인 컬럼 ${column} 검색 조건에서 제외 (실제 테이블 컬럼 아님)`
+              );
+              continue;
+            }
+
             // 안전한 컬럼명 검증 (SQL 인젝션 방지)
             const safeColumn = column.replace(/[^a-zA-Z0-9_]/g, "");
 
diff --git a/frontend/lib/registry/components/table-list/TableListComponent.tsx b/frontend/lib/registry/components/table-list/TableListComponent.tsx
index 6db26ad2..0d834bef 100644
--- a/frontend/lib/registry/components/table-list/TableListComponent.tsx
+++ b/frontend/lib/registry/components/table-list/TableListComponent.tsx
@@ -102,7 +102,7 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
   const [displayColumns, setDisplayColumns] = useState<ColumnConfig[]>([]); // 🎯 표시할 컬럼 (Entity 조인 적용됨)
   const [columnMeta, setColumnMeta] = useState<Record<string, { webType?: string; codeCategory?: string }>>({}); // 🎯 컬럼 메타정보 (웹타입, 코드카테고리)
   // 🎯 Entity 조인 최적화 훅 사용
-  const { isOptimizing, metrics, optimizedConvertCode, getCacheStatus } = useEntityJoinOptimization(columnMeta, {
+  const { optimizedConvertCode } = useEntityJoinOptimization(columnMeta, {
     enableBatchLoading: true,
     preloadCommonCodes: true,
     maxBatchSize: 5,
@@ -572,39 +572,6 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
               </div>
             )}
 
-            {/* 성능 상태 표시 (개발 모드에서만) */}
-            {process.env.NODE_ENV === "development" && (
-              <div className="flex items-center space-x-2 text-xs text-gray-500">
-                {isOptimizing && (
-                  <div className="flex items-center space-x-1">
-                    <RefreshCw className="h-3 w-3 animate-spin" />
-                    <span>최적화 중</span>
-                  </div>
-                )}
-                <div className="flex items-center space-x-1">
-                  <span>캐시:</span>
-                  <span
-                    className={cn(
-                      "rounded px-1 py-0.5 font-mono text-xs",
-                      metrics.cacheHitRate > 0.8
-                        ? "bg-green-100 text-green-700"
-                        : metrics.cacheHitRate > 0.5
-                          ? "bg-yellow-100 text-yellow-700"
-                          : "bg-red-100 text-red-700",
-                    )}
-                  >
-                    {(metrics.cacheHitRate * 100).toFixed(1)}%
-                  </span>
-                </div>
-                {metrics.averageResponseTime > 0 && (
-                  <div className="flex items-center space-x-1">
-                    <span>응답:</span>
-                    <span className="font-mono text-xs">{metrics.averageResponseTime}ms</span>
-                  </div>
-                )}
-              </div>
-            )}
-
             {/* 새로고침 */}
             <Button variant="outline" size="sm" onClick={handleRefresh} disabled={loading}>
               <RefreshCw className={cn("h-4 w-4", loading && "animate-spin")} />
diff --git a/frontend/lib/registry/components/table-list/index.ts b/frontend/lib/registry/components/table-list/index.ts
index 45ad1596..5bcc2b97 100644
--- a/frontend/lib/registry/components/table-list/index.ts
+++ b/frontend/lib/registry/components/table-list/index.ts
@@ -44,6 +44,7 @@ export const TableListDefinition = createComponentDefinition({
     filter: {
       enabled: true,
       quickSearch: true,
+      showColumnSelector: true, // 검색컬럼 선택기 표시 기본값
       advancedFilter: false,
       filterableColumns: [],
     },