diff --git a/neo3fura_http/biz/watch/watch.GetFirstEventByTransactionHash.go b/neo3fura_http/biz/watch/watch.GetFirstEventByTransactionHash.go
index 4e1cd33..a96590a 100644
--- a/neo3fura_http/biz/watch/watch.GetFirstEventByTransactionHash.go
+++ b/neo3fura_http/biz/watch/watch.GetFirstEventByTransactionHash.go
@@ -58,8 +58,7 @@ func (me *T) GetFirstEventByTransactionHash() error {
 		if err != nil {
 			log2.Fatalf("Query Execution error:%v", err)
 		}
-
-		if r1["vmstate"] != nil && r1["vmstate"] != "" {
+		if len(r1) > 0 && r1["vmstate"] != nil && r1["vmstate"] != "" {
 			r2["vmstate"] = r1["vmstate"].(string)
 			_, err = me.Client.SaveJob(struct {
 				Collection string