fix response `content-type` is not set if access without access token

Kairlec

2023-05-15 ca103731c721aae3f5f622e58c679ed5c09fd9e9

 src/main/java/com/genersoft/iot/vmp/service/IUserService.java

@@ -25,5 +25,5 @@

    PageInfo<User> getUsers(int page, int count);

    int resetPushKey(int id);
    int changePushKey(int id, String pushKey);
}