update

mec-biz/src/main/java/com/ym/mec/biz/service/impl/MusicGroupServiceImpl.java

@@ -443,7 +443,7 @@ public class MusicGroupServiceImpl extends BaseServiceImpl<String, MusicGroup> i
 
 		// 判断用户是否存在
 		SysUser user = sysUserFeignService.queryUserByMobile(studentPreRegistration.getPhone());
-		if (user.getId() == null) {
+		if (user == null || user.getId() == null) {
 			user = new SysUser();
 			user.setPhone(studentPreRegistration.getPhone());
 			user.setUsername(studentPreRegistration.getUserName());