diff --git a/kernel/model/conf.go b/kernel/model/conf.go
index a961ebb98..c664da166 100644
--- a/kernel/model/conf.go
+++ b/kernel/model/conf.go
@@ -1011,11 +1011,20 @@ func closeUserGuide() {
 		}
 
 		msgId := util.PushMsg(Conf.language(233), 30000)
+		evt := util.NewCmdResult("unmount", 0, util.PushModeBroadcast)
+		evt.Data = map[string]interface{}{
+			"box": boxID,
+		}
+		util.PushEvent(evt)
+
 		unindex(boxID)
+
 		if removeErr := filelock.Remove(boxDirPath); nil != removeErr {
 			logging.LogErrorf("remove corrupted user guide box [%s] failed: %s", boxDirPath, removeErr)
 		}
+
 		sql.WaitForWritingDatabase()
+
 		util.PushClearMsg(msgId)
 		logging.LogInfof("closed user guide box [%s]", boxID)
 	}