优化 co-list接口

src/controllers/open/promotion.js

@@ -63,7 +63,7 @@ router.get('/co-list', cors(), async (req, res, next) => {
     })
 
     let records = await client.getAsync(key)
-    records = JSON.parse(records)
+    records = JSON.parse(records) || []
     let result = records.filter(item => {
       return item.key === 'co-list'
     })