diff --git a/servers/boe-server-all/src/main/java/com/xboe/data/api/UserDataSyncApi.java b/servers/boe-server-all/src/main/java/com/xboe/data/api/UserDataSyncApi.java
index d341135a..1e2d25d9 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/data/api/UserDataSyncApi.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/data/api/UserDataSyncApi.java
@@ -77,7 +77,9 @@ public class UserDataSyncApi extends ApiBaseController {
 				u.setDepartName(user.getDepartName());
 				u.setName(user.getName());
 				u.setUserType(user.getUserType());
-				u.setLearningDuration(user.getLearningDuration());
+				if(user.getLearningDuration()>0) { //不大于0才会更新
+					u.setLearningDuration(user.getLearningDuration());
+				}
 			}else {
 				//新建用户
 				u=new User();