diff --git a/backend-node/src/services/tableManagementService.ts b/backend-node/src/services/tableManagementService.ts
index 09a9691d..da7a3981 100644
--- a/backend-node/src/services/tableManagementService.ts
+++ b/backend-node/src/services/tableManagementService.ts
@@ -1461,6 +1461,40 @@ export class TableManagementService {
         });
       }
 
+      // 🔧 파이프로 구분된 문자열 처리 (객체에서 추출한 actualValue도 처리)
+      if (typeof actualValue === "string" && actualValue.includes("|")) {
+        const columnInfo = await this.getColumnWebTypeInfo(
+          tableName,
+          columnName
+        );
+
+        // 날짜 타입이면 날짜 범위로 처리
+        if (
+          columnInfo &&
+          (columnInfo.webType === "date" || columnInfo.webType === "datetime")
+        ) {
+          return this.buildDateRangeCondition(columnName, actualValue, paramIndex);
+        }
+
+        // 그 외 타입이면 다중선택(IN 조건)으로 처리
+        const multiValues = actualValue
+          .split("|")
+          .filter((v: string) => v.trim() !== "");
+        if (multiValues.length > 0) {
+          const placeholders = multiValues
+            .map((_: string, idx: number) => `$${paramIndex + idx}`)
+            .join(", ");
+          logger.info(
+            `🔍 다중선택 필터 적용 (객체에서 추출): ${columnName} IN (${multiValues.join(", ")})`
+          );
+          return {
+            whereClause: `${columnName}::text IN (${placeholders})`,
+            values: multiValues,
+            paramCount: multiValues.length,
+          };
+        }
+      }
+
       // "__ALL__" 값이거나 빈 값이면 필터 조건을 적용하지 않음
       if (
         actualValue === "__ALL__" ||
@@ -3428,15 +3462,37 @@ export class TableManagementService {
                 // 기본 Entity 조인 컬럼인 경우: 조인된 테이블의 표시 컬럼에서 검색
                 const aliasKey = `${joinConfig.referenceTable}:${joinConfig.sourceColumn}`;
                 const alias = aliasMap.get(aliasKey);
-                whereConditions.push(
-                  `${alias}.${joinConfig.displayColumn} ILIKE '%${safeValue}%'`
-                );
-                entitySearchColumns.push(
-                  `${key} (${joinConfig.referenceTable}.${joinConfig.displayColumn})`
-                );
-                logger.info(
-                  `🎯 Entity 조인 검색: ${key} → ${joinConfig.referenceTable}.${joinConfig.displayColumn} LIKE '%${safeValue}%' (별칭: ${alias})`
-                );
+                
+                // 🔧 파이프로 구분된 다중 선택값 처리
+                if (safeValue.includes("|")) {
+                  const multiValues = safeValue
+                    .split("|")
+                    .filter((v: string) => v.trim() !== "");
+                  if (multiValues.length > 0) {
+                    const inClause = multiValues
+                      .map((v: string) => `'${v}'`)
+                      .join(", ");
+                    whereConditions.push(
+                      `${alias}.${joinConfig.displayColumn}::text IN (${inClause})`
+                    );
+                    entitySearchColumns.push(
+                      `${key} (${joinConfig.referenceTable}.${joinConfig.displayColumn})`
+                    );
+                    logger.info(
+                      `🎯 Entity 조인 다중선택 검색: ${key} → ${joinConfig.referenceTable}.${joinConfig.displayColumn} IN (${multiValues.join(", ")}) (별칭: ${alias})`
+                    );
+                  }
+                } else {
+                  whereConditions.push(
+                    `${alias}.${joinConfig.displayColumn} ILIKE '%${safeValue}%'`
+                  );
+                  entitySearchColumns.push(
+                    `${key} (${joinConfig.referenceTable}.${joinConfig.displayColumn})`
+                  );
+                  logger.info(
+                    `🎯 Entity 조인 검색: ${key} → ${joinConfig.referenceTable}.${joinConfig.displayColumn} LIKE '%${safeValue}%' (별칭: ${alias})`
+                  );
+                }
               } else if (key === "writer_dept_code") {
                 // writer_dept_code: user_info.dept_code에서 검색
                 const userAliasKey = Array.from(aliasMap.keys()).find((k) =>
@@ -3473,10 +3529,26 @@ export class TableManagementService {
                 }
               } else {
                 // 일반 컬럼인 경우: 메인 테이블에서 검색
-                whereConditions.push(`main.${key} ILIKE '%${safeValue}%'`);
-                logger.info(
-                  `🔍 일반 컬럼 검색: ${key} → main.${key} LIKE '%${safeValue}%'`
-                );
+                // 🔧 파이프로 구분된 다중 선택값 처리
+                if (safeValue.includes("|")) {
+                  const multiValues = safeValue
+                    .split("|")
+                    .filter((v: string) => v.trim() !== "");
+                  if (multiValues.length > 0) {
+                    const inClause = multiValues
+                      .map((v: string) => `'${v}'`)
+                      .join(", ");
+                    whereConditions.push(`main.${key}::text IN (${inClause})`);
+                    logger.info(
+                      `🔍 다중선택 컬럼 검색: ${key} → main.${key} IN (${multiValues.join(", ")})`
+                    );
+                  }
+                } else {
+                  whereConditions.push(`main.${key} ILIKE '%${safeValue}%'`);
+                  logger.info(
+                    `🔍 일반 컬럼 검색: ${key} → main.${key} LIKE '%${safeValue}%'`
+                  );
+                }
               }
             }
           }
diff --git a/frontend/components/screen/config-panels/ButtonConfigPanel.tsx b/frontend/components/screen/config-panels/ButtonConfigPanel.tsx
index b822aeee..6ea347c2 100644
--- a/frontend/components/screen/config-panels/ButtonConfigPanel.tsx
+++ b/frontend/components/screen/config-panels/ButtonConfigPanel.tsx
@@ -834,8 +834,10 @@ export const ButtonConfigPanel: React.FC<ButtonConfigPanelProps> = ({
             {/* 이벤트 버스 */}
             <SelectItem value="event">이벤트 발송</SelectItem>
             
-            {/* 🔒 숨김 처리 - 기존 시스템 호환성 유지, UI에서만 숨김
+            {/* 복사 */}
             <SelectItem value="copy">복사 (품목코드 초기화)</SelectItem>
+            
+            {/* 🔒 숨김 처리 - 기존 시스템 호환성 유지, UI에서만 숨김
             <SelectItem value="openRelatedModal">연관 데이터 버튼 모달 열기</SelectItem>
             <SelectItem value="openModalWithData">(deprecated) 데이터 전달 + 모달 열기</SelectItem>
             <SelectItem value="view_table_history">테이블 이력 보기</SelectItem>
diff --git a/frontend/lib/registry/components/v2-button-primary/ButtonPrimaryComponent.tsx b/frontend/lib/registry/components/v2-button-primary/ButtonPrimaryComponent.tsx
index 83a7771d..918d7560 100644
--- a/frontend/lib/registry/components/v2-button-primary/ButtonPrimaryComponent.tsx
+++ b/frontend/lib/registry/components/v2-button-primary/ButtonPrimaryComponent.tsx
@@ -1324,7 +1324,31 @@ export const ButtonPrimaryComponent: React.FC<ButtonPrimaryComponentProps> = ({
     ...userStyle,
   };
 
-  const buttonContent = processedConfig.text !== undefined ? processedConfig.text : component.label || "버튼";
+  // 버튼 텍스트 결정 (다양한 소스에서 가져옴)
+  // "기본 버튼"은 컴포넌트 생성 시 기본값이므로 무시
+  const labelValue = component.label === "기본 버튼" ? undefined : component.label;
+  
+  // 액션 타입에 따른 기본 텍스트 (modal 액션과 동일하게)
+  const actionType = processedConfig.action?.type || component.componentConfig?.action?.type;
+  const actionDefaultText: Record<string, string> = {
+    save: "저장",
+    delete: "삭제", 
+    modal: "등록",
+    edit: "수정",
+    copy: "복사",
+    close: "닫기",
+    cancel: "취소",
+  };
+  
+  const buttonContent = 
+    processedConfig.text || 
+    component.webTypeConfig?.text || 
+    component.componentConfig?.text || 
+    component.config?.text || 
+    component.style?.labelText ||
+    labelValue || 
+    actionDefaultText[actionType as string] ||
+    "버튼";
 
   return (
     <>
diff --git a/frontend/lib/registry/components/v2-table-list/TableListComponent.tsx b/frontend/lib/registry/components/v2-table-list/TableListComponent.tsx
index c99f9876..02ef8643 100644
--- a/frontend/lib/registry/components/v2-table-list/TableListComponent.tsx
+++ b/frontend/lib/registry/components/v2-table-list/TableListComponent.tsx
@@ -459,6 +459,9 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
 
   // 🆕 Filter Builder (고급 필터) 관련 상태 - filteredData보다 먼저 정의해야 함
   const [filterGroups, setFilterGroups] = useState<FilterGroup[]>([]);
+  
+  // 🆕 joinColumnMapping - filteredData에서 사용하므로 먼저 정의해야 함
+  const [joinColumnMapping, setJoinColumnMapping] = useState<Record<string, string>>({});
 
   // 🆕 분할 패널에서 우측에 이미 추가된 항목 필터링 (좌측 테이블에만 적용) + 헤더 필터
   const filteredData = useMemo(() => {
@@ -473,14 +476,17 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
       });
     }
 
-    // 2. 헤더 필터 적용 (joinColumnMapping 사용 안 함 - 직접 컬럼명 사용)
+    // 2. 헤더 필터 적용 (joinColumnMapping 사용 - 조인된 컬럼과 일치해야 함)
     if (Object.keys(headerFilters).length > 0) {
       result = result.filter((row) => {
         return Object.entries(headerFilters).every(([columnName, values]) => {
           if (values.size === 0) return true;
 
-          // 여러 가능한 컬럼명 시도
-          const cellValue = row[columnName] ?? row[columnName.toLowerCase()] ?? row[columnName.toUpperCase()];
+          // joinColumnMapping을 사용하여 조인된 컬럼명 확인
+          const mappedColumnName = joinColumnMapping[columnName] || columnName;
+          
+          // 여러 가능한 컬럼명 시도 (mappedColumnName 우선)
+          const cellValue = row[mappedColumnName] ?? row[columnName] ?? row[columnName.toLowerCase()] ?? row[columnName.toUpperCase()];
           const cellStr = cellValue !== null && cellValue !== undefined ? String(cellValue) : "";
 
           return values.has(cellStr);
@@ -541,7 +547,7 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
     }
 
     return result;
-  }, [data, splitPanelPosition, splitPanelContext?.addedItemIds, headerFilters, filterGroups]);
+  }, [data, splitPanelPosition, splitPanelContext?.addedItemIds, headerFilters, filterGroups, joinColumnMapping]);
 
   const [currentPage, setCurrentPage] = useState(1);
   const [totalPages, setTotalPages] = useState(0);
@@ -554,7 +560,6 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
   const [tableLabel, setTableLabel] = useState<string>("");
   const [localPageSize, setLocalPageSize] = useState<number>(tableConfig.pagination?.pageSize || 20);
   const [displayColumns, setDisplayColumns] = useState<ColumnConfig[]>([]);
-  const [joinColumnMapping, setJoinColumnMapping] = useState<Record<string, string>>({});
   const [columnMeta, setColumnMeta] = useState<
     Record<string, { webType?: string; codeCategory?: string; inputType?: string }>
   >({});