diff --git a/backend-node/src/services/YardLayoutService.ts b/backend-node/src/services/YardLayoutService.ts
index 7a814333..64572739 100644
--- a/backend-node/src/services/YardLayoutService.ts
+++ b/backend-node/src/services/YardLayoutService.ts
@@ -202,21 +202,25 @@ export class YardLayoutService {
 
     const pool = getPool();
     const result = await pool.query(query, [
-      data.material_code,
-      data.material_name,
-      data.quantity,
-      data.unit,
-      data.position_x,
-      data.position_y,
-      data.position_z,
-      data.size_x,
-      data.size_y,
-      data.size_z,
-      data.color,
-      data.data_source_type,
-      data.data_source_config ? JSON.stringify(data.data_source_config) : null,
-      data.data_binding ? JSON.stringify(data.data_binding) : null,
-      data.memo,
+      data.material_code !== undefined ? data.material_code : null,
+      data.material_name !== undefined ? data.material_name : null,
+      data.quantity !== undefined ? data.quantity : null,
+      data.unit !== undefined ? data.unit : null,
+      data.position_x !== undefined ? data.position_x : null,
+      data.position_y !== undefined ? data.position_y : null,
+      data.position_z !== undefined ? data.position_z : null,
+      data.size_x !== undefined ? data.size_x : null,
+      data.size_y !== undefined ? data.size_y : null,
+      data.size_z !== undefined ? data.size_z : null,
+      data.color !== undefined ? data.color : null,
+      data.data_source_type !== undefined ? data.data_source_type : null,
+      data.data_source_config !== undefined
+        ? JSON.stringify(data.data_source_config)
+        : null,
+      data.data_binding !== undefined
+        ? JSON.stringify(data.data_binding)
+        : null,
+      data.memo !== undefined ? data.memo : null,
       placementId,
     ]);
 
diff --git a/frontend/components/admin/dashboard/widgets/yard-3d/YardEditor.tsx b/frontend/components/admin/dashboard/widgets/yard-3d/YardEditor.tsx
index 2b52d113..2841c17d 100644
--- a/frontend/components/admin/dashboard/widgets/yard-3d/YardEditor.tsx
+++ b/frontend/components/admin/dashboard/widgets/yard-3d/YardEditor.tsx
@@ -174,8 +174,31 @@ export default function YardEditor({ layout, onBack }: YardEditorProps) {
       const response = await yardLayoutApi.updatePlacement(selectedPlacement.id, updatedData);
       if (response.success) {
         const updated = response.data as YardPlacement;
-        setPlacements((prev) => prev.map((p) => (p.id === updated.id ? updated : p)));
-        setSelectedPlacement(updated);
+
+        // 현재 위치 정보를 유지하면서 업데이트
+        setPlacements((prev) =>
+          prev.map((p) => {
+            if (p.id === updated.id) {
+              // 현재 프론트엔드 상태의 위치를 유지
+              return {
+                ...updated,
+                position_x: p.position_x,
+                position_y: p.position_y,
+                position_z: p.position_z,
+              };
+            }
+            return p;
+          }),
+        );
+
+        // 선택된 요소도 동일하게 업데이트
+        setSelectedPlacement({
+          ...updated,
+          position_x: selectedPlacement.position_x,
+          position_y: selectedPlacement.position_y,
+          position_z: selectedPlacement.position_z,
+        });
+
         setShowConfigPanel(false);
       }
     } catch (error) {