diff --git a/types/lib.go b/types/lib.go
index 1376fb2..ce05a1b 100644
--- a/types/lib.go
+++ b/types/lib.go
@@ -206,6 +206,8 @@ type Log struct {
 	Tags  string
 	Dtlog time.Time
 	Data  []byte
+	Err   string
+	Stack []byte
 }
 type LogQuery struct {
 	From  time.Time `json:"from"`