diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/CourseFacade.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/CourseFacade.java
index d21272e..2c2424d 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/CourseFacade.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/CourseFacade.java
@@ -1238,7 +1238,7 @@ public class CourseFacade {
             if (parentId!=null){
                 String readCount = model.getReadCount();
                 //判断此条信息有没有值
-                if (readCount.isEmpty()){
+                if (readCount==null){
                     //如果没有值，直接添加数据
                     model.setReadCount(parentId);
                     courseEvalService.updateMsgReadCount(model);