diff --git a/src/controllers/CardController.ts b/src/controllers/CardController.ts
index 5458a22..0399a06 100644
--- a/src/controllers/CardController.ts
+++ b/src/controllers/CardController.ts
@@ -5,6 +5,8 @@ import { ZError } from '../common/ZError'
 import { Card } from '../models/subdoc/Card'
 import { MoneyTypeConst } from '../constants/MoneyTypeConst'
 import { BaseConst } from '../constants/BaseConst'
+import { BagItem, ItemType } from '../models/BagItem'
+import ItemCtrl from '../logic/ItemCtrl'
 
 export default class CardController extends BaseController {
   @router('post /api/:accountid/card_group/:heroid')
@@ -169,7 +171,28 @@ export default class CardController extends BaseController {
   @router('post /api/:accountid/card/destory')
   async destoryCard(req: any) {
     let { cardid, count, accountid } = req.params
-
-    return {}
+    let record = await BagItem.findOne({
+      accountid,
+      itemid: cardid,
+      itemtype: ItemType.CARD
+    })
+    if (!record) {
+      throw new ZError(11, 'item not found')
+    }
+    if (record.count < count) {
+      throw new ZError(12, 'not enough item')
+    }
+    let data = ItemCtrl.decomposeItemCard(cardid, count)
+    for (let obj of data) {
+      let item = (await BagItem.findOrCreate({
+        accountid,
+        itemid: obj.id,
+        itemtype: obj.type
+      })).doc
+      item.count += obj.count
+      await item.save()
+    }
+    await record.save()
+    return data
   }
 }