diff --git a/furniture-3d-system/src/app/api/intake/oa-board/route.ts b/furniture-3d-system/src/app/api/intake/oa-board/route.ts
index 78acc959..c137ca2b 100644
--- a/furniture-3d-system/src/app/api/intake/oa-board/route.ts
+++ b/furniture-3d-system/src/app/api/intake/oa-board/route.ts
@@ -9,9 +9,14 @@ export async function GET(request: NextRequest) {
     request,
     async (ctx) => {
       const searchParams = request.nextUrl.searchParams
+      const readMultiParam = (value: string | null) =>
+        String(value ?? '')
+          .split(',')
+          .map((entry) => entry.trim())
+          .filter(Boolean)
       const keyword = searchParams.get('keyword') ?? ''
       const approvalNumber = searchParams.get('approvalNumber') ?? ''
-      const overallStatus = searchParams.get('overallStatus') ?? ''
+      const overallStatus = readMultiParam(searchParams.get('overallStatus'))
       const productType = searchParams.get('productType') ?? ''
       const approvalStage = searchParams.get('approvalStage') ?? ''
       const owner = searchParams.get('owner') ?? ''
@@ -22,7 +27,7 @@ export async function GET(request: NextRequest) {
         const dashboard = await oaBoardService.getDashboard({
           keyword: keyword || undefined,
           approvalNumber: approvalNumber || undefined,
-          overallStatus: overallStatus || undefined,
+          overallStatus: overallStatus.length > 0 ? overallStatus : undefined,
           productType: productType || undefined,
           approvalStage: approvalStage || undefined,
           owner: owner || undefined,
diff --git a/furniture-3d-system/src/server/services/oa-board-sync.service.ts b/furniture-3d-system/src/server/services/oa-board-sync.service.ts
index 159c038c..59d27e20 100644
--- a/furniture-3d-system/src/server/services/oa-board-sync.service.ts
+++ b/furniture-3d-system/src/server/services/oa-board-sync.service.ts
@@ -363,6 +363,14 @@ function readFieldSnapshot(fieldSnapshots: NormalizedFieldSnapshot[], names: rea
   return null
 }
 
+function matchesFieldName(
+  fieldName: string | null | undefined,
+  candidateNames: readonly string[],
+) {
+  const normalizedFieldName = String(fieldName ?? '').trim()
+  return candidateNames.some((candidateName) => candidateName === normalizedFieldName)
+}
+
 function parseJsonArrayOfStrings(value: string | null | undefined): string[] {
   const text = normalizeText(value)
   if (!text) return []
@@ -1373,7 +1381,9 @@ async function fetchSourceData(limit?: number): Promise<NormalizedFlowRecord[]>
       const openingCodes = Array.from(
         new Set(
           reviewSchemeRows
-            .filter((row) => OA_BOARD_JOIN_FIELD_NAMES.openingCode.includes(String(row.name ?? '').trim()))
+            .filter((row) =>
+              matchesFieldName(row.name, OA_BOARD_JOIN_FIELD_NAMES.openingCode),
+            )
             .map((row) => normalizeText(row.value))
             .filter((value): value is string => Boolean(value)),
         ),
@@ -1441,7 +1451,9 @@ async function fetchSourceData(limit?: number): Promise<NormalizedFlowRecord[]>
       const openingCodes = Array.from(
         new Set(
           reviewSchemeRows
-            .filter((row) => OA_BOARD_JOIN_FIELD_NAMES.openingCode.includes(String(row.name ?? '').trim()))
+            .filter((row) =>
+              matchesFieldName(row.name, OA_BOARD_JOIN_FIELD_NAMES.openingCode),
+            )
             .map((row) => normalizeText(row.value))
             .filter((value): value is string => Boolean(value)),
         ),