diff --git a/frontend/components/admin/RestApiConnectionModal.tsx b/frontend/components/admin/RestApiConnectionModal.tsx
index 0a9cecd0..4c60c5af 100644
--- a/frontend/components/admin/RestApiConnectionModal.tsx
+++ b/frontend/components/admin/RestApiConnectionModal.tsx
@@ -276,12 +276,12 @@ export function RestApiConnectionModal({ isOpen, onClose, onSave, connection }:
 
   return (
     <Dialog open={isOpen} onOpenChange={onClose}>
-      <DialogContent className="max-h-[90vh] max-w-3xl overflow-hidden">
-        <DialogHeader>
+      <DialogContent className="flex max-h-[90vh] max-w-3xl flex-col">
+        <DialogHeader className="flex-shrink-0">
           <DialogTitle>{connection ? "REST API 연결 수정" : "새 REST API 연결 추가"}</DialogTitle>
         </DialogHeader>
 
-        <div className="space-y-6 py-4">
+        <div className="flex-1 space-y-6 overflow-y-auto py-4 pr-2">
           {/* 기본 정보 */}
           <div className="space-y-4">
             <h3 className="text-sm font-semibold">기본 정보</h3>
@@ -588,7 +588,7 @@ export function RestApiConnectionModal({ isOpen, onClose, onSave, connection }:
           </div>
         </div>
 
-        <DialogFooter>
+        <DialogFooter className="flex-shrink-0 border-t pt-4">
           <Button type="button" variant="outline" onClick={onClose}>
             <X className="mr-2 h-4 w-4" />
             취소
diff --git a/frontend/components/admin/dashboard/widgets/yard-3d/Yard3DCanvas.tsx b/frontend/components/admin/dashboard/widgets/yard-3d/Yard3DCanvas.tsx
index a3b29042..ad8add20 100644
--- a/frontend/components/admin/dashboard/widgets/yard-3d/Yard3DCanvas.tsx
+++ b/frontend/components/admin/dashboard/widgets/yard-3d/Yard3DCanvas.tsx
@@ -526,7 +526,8 @@ function MaterialBox({
       case "location-temp":
       case "location-dest":
         // 베드 타입 Location: 회색 철판들이 데이터 개수만큼 쌓이는 형태
-        const locPlateCount = placement.material_count || placement.quantity || 5; // 데이터 개수
+        // 자재가 없으면 0, 있으면 해당 개수 표시 (기본값 5 제거)
+        const locPlateCount = placement.material_count ?? placement.quantity ?? 0;
         const locVisiblePlateCount = locPlateCount; // 데이터 개수만큼 모두 렌더링
         const locPlateThickness = 0.15; // 각 철판 두께
         const locPlateGap = 0.03; // 철판 사이 미세한 간격
@@ -538,8 +539,32 @@ function MaterialBox({
         
         return (
           <>
-            {/* 철판 스택 - 데이터 개수만큼 회색 판 쌓기 (최대 20개) */}
-            {Array.from({ length: locVisiblePlateCount }).map((_, idx) => {
+            {/* 자재가 없을 때: 흰색 실선 테두리 바닥판 */}
+            {locPlateCount === 0 && (
+              <>
+                {/* 얇은 흰색 바닥판 */}
+                <Box
+                  args={[boxWidth, 0.05, boxDepth]}
+                  position={[0, locYOffset + 0.025, 0]}
+                >
+                  <meshStandardMaterial
+                    color="#f5f5f5"
+                    roughness={0.6}
+                    metalness={0.1}
+                    emissive={isSelected ? "#e5e5e5" : "#000000"}
+                    emissiveIntensity={isSelected ? glowIntensity * 0.2 : 0}
+                  />
+                </Box>
+                {/* 흰색 실선 테두리 */}
+                <lineSegments position={[0, locYOffset + 0.06, 0]}>
+                  <edgesGeometry args={[new THREE.BoxGeometry(boxWidth, 0.05, boxDepth)]} />
+                  <lineBasicMaterial color="#9ca3af" linewidth={2} />
+                </lineSegments>
+              </>
+            )}
+
+            {/* 철판 스택 - 데이터 개수만큼 회색 판 쌓기 */}
+            {locPlateCount > 0 && Array.from({ length: locVisiblePlateCount }).map((_, idx) => {
               const yPos = locPlateBaseY + idx * (locPlateThickness + locPlateGap);
               // 약간의 랜덤 오프셋으로 자연스러움 추가
               const xOffset = (Math.sin(idx * 0.5) * 0.02);
@@ -570,7 +595,7 @@ function MaterialBox({
             {/* Location 이름 - 실제 폴리곤 높이 기준, 뒤쪽(+Z)에 배치 */}
             {placement.name && (
               <Text
-                position={[0, locYOffset + locVisibleStackHeight + 0.3, boxDepth * 0.3]}
+                position={[0, locYOffset + (locPlateCount > 0 ? locVisibleStackHeight : 0.1) + 0.3, boxDepth * 0.3]}
                 rotation={[-Math.PI / 2, 0, 0]}
                 fontSize={Math.min(boxWidth, boxDepth) * 0.18}
                 color="#374151"
diff --git a/frontend/components/common/TableHistoryModal.tsx b/frontend/components/common/TableHistoryModal.tsx
index 6e552e21..91299457 100644
--- a/frontend/components/common/TableHistoryModal.tsx
+++ b/frontend/components/common/TableHistoryModal.tsx
@@ -115,17 +115,13 @@ export function TableHistoryModal({
   const getOperationBadge = (type: string) => {
     switch (type) {
       case "INSERT":
-        return <Badge className="bg-green-100 text-xs text-green-800">추가</Badge>;
+        return <span className="text-sm font-medium text-green-600">추가</span>;
       case "UPDATE":
-        return <Badge className="bg-blue-100 text-xs text-blue-800">수정</Badge>;
+        return <span className="text-sm font-medium text-blue-600">수정</span>;
       case "DELETE":
-        return <Badge className="bg-red-100 text-xs text-red-800">삭제</Badge>;
+        return <span className="text-sm font-medium text-red-600">삭제</span>;
       default:
-        return (
-          <Badge variant="secondary" className="text-xs">
-            {type}
-          </Badge>
-        );
+        return <span className="text-sm font-medium text-gray-600">{type}</span>;
     }
   };