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 6137e027..8a6396a8 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
@@ -1,5 +1,7 @@
 package com.xboe.module.course.service.impl;
 
+import java.sql.PreparedStatement;
+import java.sql.SQLException;
 import java.util.List;
 
 import javax.annotation.Resource;
@@ -143,10 +145,12 @@ public class CourseContentServiceImpl implements ICourseContentService {
 
 	@Override
 	public void updateProcessVideo(String id, String courseId, Float processVideo) {
-		CourseContent cc= new CourseContent();
-		cc.setProgressVideo(processVideo);
-		String sql = "update boe_course_content set progress_video="+ processVideo+" where id="+id+" and course_id="+courseId+" ";
-		ccDao.sqlUpdate(sql);
+		// 处理 processVideo 为 null 的情况
+		if (processVideo == null) {
+			processVideo = 0.0f;
+		}
+		String sql = "UPDATE boe_course_content SET progress_video = "+ processVideo+" WHERE id = "+ id+" AND course_id = "+ courseId+" ";
+		ccDao.update(sql);
 	}
 
 	@Override