fix bugs

src/main/java/com/fdkankan/site/service/impl/UserServiceImpl.java

@@ -35,6 +35,9 @@ public class UserServiceImpl extends ServiceImpl<IUserMapper, User> implements I
         if (ObjectUtil.isNotNull(one)){
             if (ObjectUtil.isNull(one.getFdkkId())){
                 one.setFdkkId(fdkkId);
+                updateById(one);
+            }
+            if (ObjectUtil.isNull(one.getHead())){
                 one.setHead(head);
                 updateById(one);
             }