diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/course/service/impl/CourseServiceImpl.java b/servers/boe-server-all/src/main/java/com/xboe/module/course/service/impl/CourseServiceImpl.java
index 262b650c..49552e49 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/course/service/impl/CourseServiceImpl.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/course/service/impl/CourseServiceImpl.java
@@ -177,12 +177,14 @@ public class CourseServiceImpl implements ICourseService {
 //		}
 
         if (dto.getDevice() != null) {
-            if (dto.getDevice() == Course.DEVICE_PC || dto.getDevice() == Course.DEVICE_INTERNAL) {
+            if (dto.getDevice() == Course.DEVICE_PC) {
                 filters.add(FieldFilters.in("device", Course.DEVICE_PC, Course.DEVICE_ALL));
             } else if (dto.getDevice() == Course.DEVICE_MOBILE) {
                 filters.add(FieldFilters.in("device", Course.DEVICE_MOBILE, Course.DEVICE_ALL));
             } else if (dto.getDevice() == Course.DEVICE_ALL) {
                 filters.add(FieldFilters.eq("device", Course.DEVICE_ALL));
+            }else if (dto.getDevice() == Course.DEVICE_INTERNAL) {
+                filters.add(FieldFilters.eq("device", Course.DEVICE_INTERNAL));
             }
 
         }