fix delete

src/pages/dc/model.js

@@ -1,5 +1,5 @@
 import {
-  addItem
+  addItem, delItem
 } from './service'
 
 export default {
@@ -19,7 +19,7 @@ export default {
       }
     },
     * _delItem ({ payload, callback }, { call }) {
-      const res = yield call(addItem, payload)
+      const res = yield call(delItem, payload)
       if (res) {
         if (callback) callback(res)
       }