feat: logout时删除token

uni_modules/uni-id-pages/uniCloud/cloudfunctions/uni-id-co/module/logout/logout.js

 const {
+  dbCmd,
   LOG_TYPE,
-  deviceCollection
+  deviceCollection,
+  userCollection
 } = require('../../common/constants')
+
 /**
  * 用户退出登录
  * @tutorial https://uniapp.dcloud.net.cn/uniCloud/uni-id-pages.html#logout
@@ -20,6 +23,12 @@ module.exports = async function () {
       autoRefresh: false
     }
   )
+
+  // 删除token
+  await userCollection.doc(uid).update({
+    token: dbCmd.pull(uniIdToken)
+  })
+
   // 仅当device表的device_id和user_id均对应时才进行更新
   await deviceCollection.where({
     device_id: deviceId,