diff --git a/backend-node/src/controllers/multilangController.ts b/backend-node/src/controllers/multilangController.ts
index e88ec912..c77b50d7 100644
--- a/backend-node/src/controllers/multilangController.ts
+++ b/backend-node/src/controllers/multilangController.ts
@@ -190,7 +190,7 @@ export const getLangKeys = async (
   res: Response
 ): Promise<void> => {
   try {
-    const { companyCode, menuCode, keyType, searchText } = req.query;
+    const { companyCode, menuCode, keyType, searchText, categoryId } = req.query;
     logger.info("다국어 키 목록 조회 요청", {
       query: req.query,
       user: req.user,
@@ -202,6 +202,7 @@ export const getLangKeys = async (
       menuCode: menuCode as string,
       keyType: keyType as string,
       searchText: searchText as string,
+      categoryId: categoryId ? parseInt(categoryId as string, 10) : undefined,
     });
 
     const response: ApiResponse<any[]> = {
diff --git a/backend-node/src/services/multilangService.ts b/backend-node/src/services/multilangService.ts
index 2e624fef..2944644e 100644
--- a/backend-node/src/services/multilangService.ts
+++ b/backend-node/src/services/multilangService.ts
@@ -696,6 +696,21 @@ export class MultiLangService {
         values.push(params.menuCode);
       }
 
+      // 카테고리 필터 (하위 카테고리 포함)
+      if (params.categoryId) {
+        whereConditions.push(`category_id IN (
+          WITH RECURSIVE category_tree AS (
+            SELECT category_id FROM multi_lang_category WHERE category_id = $${paramIndex}
+            UNION ALL
+            SELECT c.category_id FROM multi_lang_category c
+            INNER JOIN category_tree ct ON c.parent_id = ct.category_id
+          )
+          SELECT category_id FROM category_tree
+        )`);
+        values.push(params.categoryId);
+        paramIndex++;
+      }
+
       // 검색 조건 (OR)
       if (params.searchText) {
         whereConditions.push(
@@ -717,12 +732,13 @@ export class MultiLangService {
         lang_key: string;
         description: string | null;
         is_active: string | null;
+        category_id: number | null;
         created_date: Date | null;
         created_by: string | null;
         updated_date: Date | null;
         updated_by: string | null;
       }>(
-        `SELECT key_id, company_code, usage_note, lang_key, description, is_active,
+        `SELECT key_id, company_code, usage_note, lang_key, description, is_active, category_id,
                 created_date, created_by, updated_date, updated_by
          FROM multi_lang_key_master
          ${whereClause}
@@ -737,6 +753,7 @@ export class MultiLangService {
         langKey: key.lang_key,
         description: key.description || undefined,
         isActive: key.is_active || "Y",
+        categoryId: key.category_id || undefined,
         createdDate: key.created_date || undefined,
         createdBy: key.created_by || undefined,
         updatedDate: key.updated_date || undefined,
diff --git a/frontend/app/(main)/admin/systemMng/i18nList/page.tsx b/frontend/app/(main)/admin/systemMng/i18nList/page.tsx
index 22ca2ae9..79264d72 100644
--- a/frontend/app/(main)/admin/systemMng/i18nList/page.tsx
+++ b/frontend/app/(main)/admin/systemMng/i18nList/page.tsx
@@ -35,6 +35,7 @@ interface LangKey {
   langKey: string;
   description: string;
   isActive: string;
+  categoryId?: number;
 }
 
 interface LangText {
@@ -102,9 +103,14 @@ export default function I18nPage() {
   };
 
   // 다국어 키 목록 조회
-  const fetchLangKeys = async () => {
+  const fetchLangKeys = async (categoryId?: number | null) => {
     try {
-      const response = await apiClient.get("/multilang/keys");
+      const params = new URLSearchParams();
+      if (categoryId) {
+        params.append("categoryId", categoryId.toString());
+      }
+      const url = `/multilang/keys${params.toString() ? `?${params.toString()}` : ""}`;
+      const response = await apiClient.get(url);
       const data = response.data;
       if (data.success) {
         setLangKeys(data.data);
@@ -481,6 +487,13 @@ export default function I18nPage() {
     initializeData();
   }, []);
 
+  // 카테고리 변경 시 키 목록 다시 조회
+  useEffect(() => {
+    if (!loading) {
+      fetchLangKeys(selectedCategory?.categoryId);
+    }
+  }, [selectedCategory?.categoryId]);
+
   const columns = [
     {
       id: "select",
@@ -879,7 +892,7 @@ export default function I18nPage() {
             companyCode={user?.companyCode || ""}
             isSuperAdmin={user?.companyCode === "*"}
             onSuccess={() => {
-              fetchLangKeys();
+              fetchLangKeys(selectedCategory?.categoryId);
             }}
           />
         </div>
diff --git a/frontend/components/admin/multilang/CategoryTree.tsx b/frontend/components/admin/multilang/CategoryTree.tsx
index 66d047a6..2e1238cf 100644
--- a/frontend/components/admin/multilang/CategoryTree.tsx
+++ b/frontend/components/admin/multilang/CategoryTree.tsx
@@ -26,7 +26,8 @@ function CategoryNode({
   onSelectCategory,
   onDoubleClickCategory,
 }: CategoryNodeProps) {
-  const [isExpanded, setIsExpanded] = useState(true);
+  // 기본값: 접힌 상태로 시작
+  const [isExpanded, setIsExpanded] = useState(false);
   const hasChildren = category.children && category.children.length > 0;
   const isSelected = selectedCategoryId === category.categoryId;
 
diff --git a/frontend/components/screen/ScreenDesigner.tsx b/frontend/components/screen/ScreenDesigner.tsx
index 2c7031f0..e31c2eba 100644
--- a/frontend/components/screen/ScreenDesigner.tsx
+++ b/frontend/components/screen/ScreenDesigner.tsx
@@ -1460,44 +1460,102 @@ export default function ScreenDesigner({ selectedScreen, onBackToList }: ScreenD
     try {
       // 모든 컴포넌트에서 라벨 정보 추출
       const labels: Array<{ componentId: string; label: string; type?: string }> = [];
+      const addedLabels = new Set<string>(); // 중복 방지
+
+      const addLabel = (componentId: string, label: string, type: string) => {
+        const key = `${label}_${type}`;
+        if (label && label.trim() && !addedLabels.has(key)) {
+          addedLabels.add(key);
+          labels.push({ componentId, label: label.trim(), type });
+        }
+      };
 
       const extractLabels = (components: ComponentData[]) => {
         components.forEach((comp) => {
           const anyComp = comp as any;
+          const config = anyComp.componentConfig;
           
-          // 라벨 추출
-          if (anyComp.label && typeof anyComp.label === "string" && anyComp.label.trim()) {
-            labels.push({
-              componentId: comp.id,
-              label: anyComp.label.trim(),
-              type: "label",
-            });
+          // 1. 기본 라벨 추출
+          if (anyComp.label && typeof anyComp.label === "string") {
+            addLabel(comp.id, anyComp.label, "label");
           }
           
-          // 제목 추출 (컨테이너, 카드 등)
-          if (anyComp.title && typeof anyComp.title === "string" && anyComp.title.trim()) {
-            labels.push({
-              componentId: comp.id,
-              label: anyComp.title.trim(),
-              type: "title",
-            });
+          // 2. 제목 추출 (컨테이너, 카드 등)
+          if (anyComp.title && typeof anyComp.title === "string") {
+            addLabel(comp.id, anyComp.title, "title");
           }
           
-          // 버튼 텍스트 추출
-          if (anyComp.componentConfig?.text && typeof anyComp.componentConfig.text === "string") {
-            labels.push({
-              componentId: comp.id,
-              label: anyComp.componentConfig.text.trim(),
-              type: "button",
-            });
+          // 3. 버튼 텍스트 추출
+          if (config?.text && typeof config.text === "string") {
+            addLabel(comp.id, config.text, "button");
           }
           
-          // placeholder 추출
-          if (anyComp.placeholder && typeof anyComp.placeholder === "string" && anyComp.placeholder.trim()) {
-            labels.push({
-              componentId: comp.id,
-              label: anyComp.placeholder.trim(),
-              type: "placeholder",
+          // 4. placeholder 추출
+          if (anyComp.placeholder && typeof anyComp.placeholder === "string") {
+            addLabel(comp.id, anyComp.placeholder, "placeholder");
+          }
+
+          // 5. 테이블 컬럼 헤더 추출 (table-list, split-panel-layout 등)
+          if (config?.columns && Array.isArray(config.columns)) {
+            config.columns.forEach((col: any, index: number) => {
+              if (col.displayName && typeof col.displayName === "string") {
+                addLabel(`${comp.id}_col_${index}`, col.displayName, "column");
+              }
+            });
+          }
+
+          // 6. 분할 패널 - 좌측/우측 패널 컬럼 추출
+          if (config?.leftPanel?.columns && Array.isArray(config.leftPanel.columns)) {
+            config.leftPanel.columns.forEach((col: any, index: number) => {
+              if (col.displayName && typeof col.displayName === "string") {
+                addLabel(`${comp.id}_left_col_${index}`, col.displayName, "column");
+              }
+            });
+          }
+          if (config?.rightPanel?.columns && Array.isArray(config.rightPanel.columns)) {
+            config.rightPanel.columns.forEach((col: any, index: number) => {
+              if (col.displayName && typeof col.displayName === "string") {
+                addLabel(`${comp.id}_right_col_${index}`, col.displayName, "column");
+              }
+            });
+          }
+
+          // 7. 검색 필터 필드 추출
+          if (config?.filter?.filters && Array.isArray(config.filter.filters)) {
+            config.filter.filters.forEach((filter: any, index: number) => {
+              if (filter.label && typeof filter.label === "string") {
+                addLabel(`${comp.id}_filter_${index}`, filter.label, "filter");
+              }
+            });
+          }
+
+          // 8. 폼 필드 라벨 추출 (input-form 등)
+          if (config?.fields && Array.isArray(config.fields)) {
+            config.fields.forEach((field: any, index: number) => {
+              if (field.label && typeof field.label === "string") {
+                addLabel(`${comp.id}_field_${index}`, field.label, "field");
+              }
+              if (field.placeholder && typeof field.placeholder === "string") {
+                addLabel(`${comp.id}_field_ph_${index}`, field.placeholder, "placeholder");
+              }
+            });
+          }
+
+          // 9. 탭 라벨 추출
+          if (config?.tabs && Array.isArray(config.tabs)) {
+            config.tabs.forEach((tab: any, index: number) => {
+              if (tab.label && typeof tab.label === "string") {
+                addLabel(`${comp.id}_tab_${index}`, tab.label, "tab");
+              }
+            });
+          }
+
+          // 10. 액션 버튼 추출
+          if (config?.actions?.actions && Array.isArray(config.actions.actions)) {
+            config.actions.actions.forEach((action: any, index: number) => {
+              if (action.label && typeof action.label === "string") {
+                addLabel(`${comp.id}_action_${index}`, action.label, "action");
+              }
             });
           }