diff --git a/models/peer/peer_cache.go b/models/peer/peer_cache.go
index 38faffb..d1249af 100644
--- a/models/peer/peer_cache.go
+++ b/models/peer/peer_cache.go
@@ -135,7 +135,7 @@ func (p *PeerCache) exec(url string, method tools.METHOD, body map[string]interf
 	if err != nil {
 		return err
 	}
-	if e, ok := m["error"]; ok && e != "<nil>" { // Check if there is an error in the response
+	if e, ok := m["error"]; ok && e != "<nil>" && e != "" { // Check if there is an error in the response
 		return errors.New(fmt.Sprintf("%v", m["error"]))
 	}
 	return nil