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 587eafc2..b3654401 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
@@ -267,7 +267,7 @@ public class CourseFullTextApi  extends ApiBaseController{
 
 				if (StringUtils.isNotBlank(c.getKeywords()) ){
 					String[] keywords = c.getKeywords().split(",");
-					if (keywords.length == 0){
+					if (keywords.length == 1){
 						keywords = c.getKeywords().split(" ");
 					}
 					if (keywords.length > 0){