diff --git a/app/service/NoteService.go b/app/service/NoteService.go
index b87ab1d..cd784f8 100644
--- a/app/service/NoteService.go
+++ b/app/service/NoteService.go
@@ -21,9 +21,20 @@ func (this *NoteService) GetNote(noteId, userId string) (note info.Note) {
 // 不能是已经删除了的, life bug, 客户端删除后, 竟然还能在web上打开
 func (this *NoteService) GetNoteById(noteId string) (note info.Note) {
 	note = info.Note{}
+	if noteId == "" {
+		return
+	}
 	db.GetByQ(db.Notes, bson.M{"_id": bson.ObjectIdHex(noteId), "IsDeleted": false}, &note)
 	return
 }
+func (this *NoteService) GetNoteByIdAndUserId(noteId, userId string) (note info.Note) {
+	note = info.Note{}
+	if noteId == "" || userId == "" {
+		return
+	}
+	db.GetByQ(db.Notes, bson.M{"_id": bson.ObjectIdHex(noteId), "UserId": bson.ObjectIdHex(userId), "IsDeleted": false}, &note)
+	return
+}
 // 得到blog, blogService用
 // 不要传userId, 因为是公开的
 func (this *NoteService) GetBlogNote(noteId string) (note info.Note) {