diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/course/api/CourseFullTextApi.java b/servers/boe-server-all/src/main/java/com/xboe/module/course/api/CourseFullTextApi.java
index a0092371..032db3fb 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/course/api/CourseFullTextApi.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/course/api/CourseFullTextApi.java
@@ -315,10 +315,10 @@ public class CourseFullTextApi  extends ApiBaseController{
 			paras.setTags(tagIds);
 		}else {
 			String tagName = paras.getKeywords();
-			if (tagName != null && tagName != ""){
+			if (StringUtils.isNotEmpty(tagName)){
 				CourseTag courseTag = courseTagService.getTagByName(tagName);
 				if (courseTag != null){
-					paras.setTags(courseTag.getId().toString()+",");
+					paras.setTags(courseTag.getId());
 				}
 			}
 		}