...

examcloud-core-examwork-api-provider/src/main/java/cn/com/qmth/examcloud/core/examwork/api/controller/ExamController.java

@@ -341,12 +341,15 @@ public class ExamController extends ControllerSupport {
 					etList.add(ExamType.valueOf(cur));
 				}
 
-				if (10 < examTypeList.size()) {
-					throw new StatusException("E-001120", "too many examTypes");
-				}
-
 				if (CollectionUtils.isNotEmpty(etList)) {
-					predicates.add(root.get("examType").in(etList));
+					if (10 < examTypeList.size()) {
+						throw new StatusException("E-001120", "too many examTypes");
+					}
+					if (1 == examTypeList.size()) {
+						predicates.add(cb.equal(root.get("examType"), examTypeList.get(0)));
+					} else {
+						predicates.add(root.get("examType").in(etList));
+					}
 				}
 			}