update dep

package.json

@@ -96,7 +96,7 @@
     "rxjs": "^6.1.0",
     "state-switch": "^0.6.2",
     "watchdog": "^0.8.1",
-    "wechaty-puppet": "^0.6",
+    "wechaty-puppet": "^0.6.7",
     "ws": "^5.2.0"
   },
   "devDependencies": {

src/user/contact.ts

@@ -202,12 +202,12 @@ export class Contact extends Accessory implements Sayable {
       let   batchIndex = 0
 
       while (batchIndex * CHUNK_SIZE < contactList.length) {
-        const contactListChunk = contactList.slice(
-          batchIndex * CHUNK_SIZE,
-          batchIndex * (CHUNK_SIZE + 1),
+        const batchContactList = contactList.slice(
+          CHUNK_SIZE * batchIndex,
+          CHUNK_SIZE * (batchIndex + 1),
         )
         await Promise.all(
-          contactListChunk.map(
+          batchContactList.map(
             c => c.ready(),
           ),
         )