diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/course/service/impl/CourseContentServiceImpl.java b/servers/boe-server-all/src/main/java/com/xboe/module/course/service/impl/CourseContentServiceImpl.java
index eccfb8fd..2a822dfb 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/course/service/impl/CourseContentServiceImpl.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/course/service/impl/CourseContentServiceImpl.java
@@ -53,12 +53,15 @@ public class CourseContentServiceImpl implements ICourseContentService {
 		CourseAssess assess=dto.getAssess();
 		CourseExam exam=dto.getExam();
 		CourseHomeWork homework=dto.getHomework();
-		
 		if(StringUtils.isBlank(cc.getId())) {
 			//新增的情况
 			cc.setDeleted(false);
 			if (cc.getDuration()==null){
-				cc.setDuration(exam.getTestDuration()*60);
+				if (exam != null){
+					cc.setDuration(exam.getTestDuration()*60);
+				}else {
+					cc.setDuration(0);
+				}
 			}
 			//如果是没有目录的，并具是课程内容
 			if(dto.getType()!=null && dto.getType()==10) {