apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/service/SystemRoleManagerService.java/SystemRoleManagerService/hasCreateApplicationPermission
class SystemRoleManagerService:  public boolean hasCreateApplicationPermission(String userId) {
    if (!isCreateApplicationPermissionEnabled()) {
      return true;
    }

    return rolePermissionService.userHasPermission(userId, PermissionType.CREATE_APPLICATION, SYSTEM_PERMISSION_TARGET_ID);
  }