迟到时间为0的话默认插入一分钟

themis-business/src/main/java/com/qmth/themis/business/dto/request/TEExamDto.java

@@ -471,7 +471,11 @@ public class TEExamDto extends BaseEntity {
     }
 
     public void setOpeningSeconds(Integer openingSeconds) {
-        this.openingSeconds = openingSeconds;
+        if (Objects.nonNull(openingSeconds) && openingSeconds.intValue() == 0) {
+            this.openingSeconds = 60;
+        } else {
+            this.openingSeconds = openingSeconds;
+        }
     }
 
     public Integer getMaxDurationSeconds() {