diff --git a/apps/backend/src/services/order/order-service.test.ts b/apps/backend/src/services/order/order-service.test.ts
index c1ba1b3c..bd091c6b 100644
--- a/apps/backend/src/services/order/order-service.test.ts
+++ b/apps/backend/src/services/order/order-service.test.ts
@@ -1,7 +1,42 @@
 import test from 'node:test'
 import assert from 'node:assert/strict'
 
-import { mergeSourceOrderState } from './order-service.js'
+import {
+  isOrderItemConfiguredForFulfillment,
+  mergeSourceOrderState,
+} from './order-service.js'
+import type { OrderItemRow } from '../../types/repository/rows.js'
+
+function buildOrderItem(snapshot: OrderItemRow['item_snapshot_json']): OrderItemRow {
+  return {
+    id: 1,
+    order_id: 1,
+    sku_code: 'TEST-SKU',
+    sku_name: '测试商品',
+    quantity: 1,
+    spec_json: '{}',
+    item_snapshot_json: snapshot,
+  }
+}
+
+test('isOrderItemConfiguredForFulfillment accepts PostgreSQL JSONB object results', () => {
+  assert.equal(
+    isOrderItemConfiguredForFulfillment(buildOrderItem({ isConfigured: true })),
+    true,
+  )
+})
+
+test('isOrderItemConfiguredForFulfillment accepts serialized snapshots', () => {
+  assert.equal(
+    isOrderItemConfiguredForFulfillment(buildOrderItem('{"isConfigured":true}')),
+    true,
+  )
+})
+
+test('isOrderItemConfiguredForFulfillment rejects unconfigured or malformed snapshots', () => {
+  assert.equal(isOrderItemConfiguredForFulfillment(buildOrderItem({})), false)
+  assert.equal(isOrderItemConfiguredForFulfillment(buildOrderItem('{invalid')), false)
+})
 
 test('mergeSourceOrderState keeps paid state when a late created source event arrives', () => {
   const merged = mergeSourceOrderState(
diff --git a/apps/backend/src/services/order/order-service.ts b/apps/backend/src/services/order/order-service.ts
index 1d03e159..32c1b421 100644
--- a/apps/backend/src/services/order/order-service.ts
+++ b/apps/backend/src/services/order/order-service.ts
@@ -283,17 +283,24 @@ export function mergeSourceOrderState(
   }
 }
 
-function isOrderItemConfiguredForFulfillment(item: OrderItemRow): boolean {
+export function isOrderItemConfiguredForFulfillment(item: OrderItemRow): boolean {
+  const rawSnapshot = item.item_snapshot_json
+  const snapshot =
+    rawSnapshot && typeof rawSnapshot === 'object' && !Array.isArray(rawSnapshot)
+      ? rawSnapshot
+      : parseOrderItemSnapshot(rawSnapshot)
+
+  return Boolean(snapshot && snapshot.isConfigured === true)
+}
+
+function parseOrderItemSnapshot(value: unknown): Record<string, unknown> | null {
   try {
-    const snapshot = JSON.parse(String(item.item_snapshot_json || '{}'))
-    return Boolean(
-      snapshot &&
-      typeof snapshot === 'object' &&
-      !Array.isArray(snapshot) &&
-      snapshot.isConfigured === true,
-    )
+    const parsed = JSON.parse(String(value || '{}'))
+    return parsed && typeof parsed === 'object' && !Array.isArray(parsed)
+      ? parsed as Record<string, unknown>
+      : null
   } catch {
-    return false
+    return null
   }
 }