diff --git a/jeecg-module-main/src/main/java/org/jeecg/modules/kc/jiaoshi/controller/KcZhihuijiaoshiController.java b/jeecg-module-main/src/main/java/org/jeecg/modules/kc/jiaoshi/controller/KcZhihuijiaoshiController.java
index fb78d5eb..47dee67c 100644
--- a/jeecg-module-main/src/main/java/org/jeecg/modules/kc/jiaoshi/controller/KcZhihuijiaoshiController.java
+++ b/jeecg-module-main/src/main/java/org/jeecg/modules/kc/jiaoshi/controller/KcZhihuijiaoshiController.java
@@ -110,7 +110,7 @@ public class KcZhihuijiaoshiController extends JeecgController<KcZhihuijiaoshi,
 		 String nowTimeStr = starTime.toString("HHmm");
 		 int nowTimeNum = Integer.parseInt(nowTimeStr);
 
-		 DateTime nowPlus30Time = DateUtil.offset(starTime,DateField.MINUTE,30);//提前30分钟
+		 DateTime nowPlus30Time = DateUtil.offset(starTime,DateField.MINUTE,-30);//提前30分钟
 		 String nowPlus30TimeStr = nowPlus30Time.toString("HHmm");
 		 int nowPlus30TimeNum = Integer.parseInt(nowPlus30TimeStr);
 		 starTime = DateUtil.endOfDay(starTime);//校正为今天末尾
@@ -146,7 +146,7 @@ public class KcZhihuijiaoshiController extends JeecgController<KcZhihuijiaoshi,
 			 jieciIntTime.setKsTime(Integer.parseInt(x.getHhks()));
 			 jieciIntTime.setJsTime(Integer.parseInt(x.getHhjs()));
 
-			 if(jieciIntTime.getKsTime() <= nowTimeNum && nowPlus30TimeNum <= jieciIntTime.getJsTime()){
+			 if(jieciIntTime.getKsTime() <= nowPlus30TimeNum && nowTimeNum <= jieciIntTime.getJsTime()){
 				 //符合当前节
 				 kcJieciMap.put(x.getJieci(), jieciIntTime);
 				 jieci.set(x.getJieci());
@@ -198,13 +198,14 @@ public class KcZhihuijiaoshiController extends JeecgController<KcZhihuijiaoshi,
 			 if(kcJieciMap.containsKey(x.getHh())){
 				 kcKetangbiaoNowSet.put(x.getJsbh(), x);
 			 }
-			 //下一节不是01、02的归类为明天的
+			 //下一节不是12节的是今天的下一节（34,56,78）
 			 if(nextKcJieciSet.contains(x.getHh()) && !StringUtils.equals(x.getHh(),"01、02")){
 				 kcKetangbiaoNextSet.put(x.getJsbh(), x);
 			 }
 		 });
 		 if(kcJieciMap.isEmpty() || kcJieciMap.containsKey("11、12")){//当前没有节次，当前匹配节次为最后一节，使用明天的课程填充进去
 			 nextDayKcKetangbiaoList.forEach(x -> {
+				 //下一节是01、02的归类为明天的
 				 if(StringUtils.equals(x.getHh(),"01、02")){
 					 kcKetangbiaoNextSet.put(x.getJsbh(), x);
 				 }