diff --git a/frontend/components/admin/dashboard/widgets/YardManagement3DWidget.tsx b/frontend/components/admin/dashboard/widgets/YardManagement3DWidget.tsx
index b7714aec..c09e7df6 100644
--- a/frontend/components/admin/dashboard/widgets/YardManagement3DWidget.tsx
+++ b/frontend/components/admin/dashboard/widgets/YardManagement3DWidget.tsx
@@ -15,6 +15,7 @@ interface YardLayout {
   name: string;
   description: string;
   placement_count: number;
+  created_at: string;
   updated_at: string;
 }
 
@@ -41,7 +42,7 @@ export default function YardManagement3DWidget({
       setIsLoading(true);
       const response = await yardLayoutApi.getAllLayouts();
       if (response.success) {
-        setLayouts(response.data);
+        setLayouts(response.data as YardLayout[]);
       }
     } catch (error) {
       console.error("야드 레이아웃 목록 조회 실패:", error);
@@ -73,7 +74,7 @@ export default function YardManagement3DWidget({
       if (response.success) {
         await loadLayouts();
         setIsCreateModalOpen(false);
-        setEditingLayout(response.data);
+        setEditingLayout(response.data as YardLayout);
       }
     } catch (error) {
       console.error("야드 레이아웃 생성 실패:", error);
diff --git a/frontend/components/admin/dashboard/widgets/yard-3d/YardElementConfigPanel.tsx b/frontend/components/admin/dashboard/widgets/yard-3d/YardElementConfigPanel.tsx
index 81fcccd4..27c0860f 100644
--- a/frontend/components/admin/dashboard/widgets/yard-3d/YardElementConfigPanel.tsx
+++ b/frontend/components/admin/dashboard/widgets/yard-3d/YardElementConfigPanel.tsx
@@ -12,7 +12,7 @@ import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@
 import { Alert, AlertDescription } from "@/components/ui/alert";
 import { AlertCircle } from "lucide-react";
 import { dashboardApi } from "@/lib/api/dashboard";
-import { ExternalDbConnectionAPI } from "@/lib/api/externalDbConnection";
+import { ExternalDbConnectionAPI, type ExternalDbConnection } from "@/lib/api/externalDbConnection";
 import { Textarea } from "@/components/ui/textarea";
 import { RadioGroup, RadioGroupItem } from "@/components/ui/radio-group";
 
@@ -25,13 +25,13 @@ interface YardElementConfigPanelProps {
 export default function YardElementConfigPanel({ placement, onSave, onCancel }: YardElementConfigPanelProps) {
   // 데이터 소스 설정
   const [dataSourceType, setDataSourceType] = useState<"database" | "external_db" | "rest_api">(
-    (placement.data_source_config?.type as any) || "database",
+    (placement.data_source_config?.type as "database" | "external_db" | "rest_api") || "database",
   );
   const [query, setQuery] = useState(placement.data_source_config?.query || "");
   const [externalConnectionId, setExternalConnectionId] = useState<string>(
     placement.data_source_config?.connectionId?.toString() || "",
   );
-  const [externalConnections, setExternalConnections] = useState<any[]>([]);
+  const [externalConnections, setExternalConnections] = useState<ExternalDbConnection[]>([]);
 
   // REST API 설정
   const [apiUrl, setApiUrl] = useState(placement.data_source_config?.url || "");
@@ -60,10 +60,8 @@ export default function YardElementConfigPanel({ placement, onSave, onCancel }:
   useEffect(() => {
     const loadConnections = async () => {
       try {
-        const response = await ExternalDbConnectionAPI.getAll();
-        if (response.success) {
-          setExternalConnections(response.data || []);
-        }
+        const connections = await ExternalDbConnectionAPI.getConnections();
+        setExternalConnections(connections || []);
       } catch (err) {
         console.error("외부 DB 커넥션 로드 실패:", err);
       }
@@ -90,7 +88,7 @@ export default function YardElementConfigPanel({ placement, onSave, onCancel }:
     setError(null);
 
     try {
-      let apiResult: { columns: string[]; rows: any[]; rowCount: number };
+      let apiResult: { columns: string[]; rows: Record<string, unknown>[]; rowCount: number };
 
       if (dataSourceType === "external_db" && externalConnectionId) {
         const result = await ExternalDbConnectionAPI.executeQuery(parseInt(externalConnectionId), query.trim());
@@ -276,7 +274,10 @@ export default function YardElementConfigPanel({ placement, onSave, onCancel }:
           <Card className="p-4">
             <h4 className="mb-3 text-sm font-semibold">1단계: 데이터 소스 선택</h4>
 
-            <RadioGroup value={dataSourceType} onValueChange={(value: any) => setDataSourceType(value)}>
+            <RadioGroup
+              value={dataSourceType}
+              onValueChange={(value) => setDataSourceType(value as "database" | "external_db" | "rest_api")}
+            >
               <div className="flex items-center space-x-2">
                 <RadioGroupItem value="database" id="db" />
                 <Label htmlFor="db">현재 DB</Label>
@@ -357,7 +358,7 @@ export default function YardElementConfigPanel({ placement, onSave, onCancel }:
 
                   <div>
                     <Label className="text-xs">Method</Label>
-                    <Select value={apiMethod} onValueChange={(value: any) => setApiMethod(value)}>
+                    <Select value={apiMethod} onValueChange={(value) => setApiMethod(value as "GET" | "POST")}>
                       <SelectTrigger className="mt-1">
                         <SelectValue />
                       </SelectTrigger>