fix: 创建用户的返回值

src/modules/user/user.controller.js

@@ -5,10 +5,12 @@ const changePwd = require('../sign/sign.controller').changePasswd;
 module.exports = {
     changePwd,
     async createNewUser (data) {
-        let { phone, inviter, password } = data;
-        await (new User({ phone, inviter, password })).save().then(user => user).catch(err => {
+        let { phone, inviter = '', password } = data;
+        await (new User({ phone, inviter, password })).save().then(user => {
+            return user;
+        }).catch(err => {
             mylog.error('创建新用户失败', err);
-            return null;
+            throw new Error('创建新用户失败', err);
         });
     },
     async getUserInfo (req, res) {