....

examcloud-core-basic-api-provider/src/main/java/cn/com/qmth/examcloud/core/basic/api/controller/UserController.java

@@ -8,8 +8,6 @@ import java.util.Map;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
-import javax.persistence.criteria.Join;
-import javax.persistence.criteria.JoinType;
 import javax.persistence.criteria.Predicate;
 import javax.persistence.criteria.Root;
 import javax.persistence.criteria.Subquery;
@@ -144,7 +142,7 @@ public class UserController extends ControllerSupport {
 				Subquery<UserRoleRelationEntity> subquery = query
 						.subquery(UserRoleRelationEntity.class);
 				Root<UserRoleRelationEntity> subRoot = subquery.from(UserRoleRelationEntity.class);
-				subquery.select(subRoot);
+				subquery.select(subRoot.get("userId"));
 				Predicate p1 = cb.equal(subRoot.get("roleId"), roleId);
 				Predicate p2 = cb.equal(subRoot.get("userId"), root.get("id"));
 				subquery.where(cb.and(p1, p2));