diff --git a/models/peer/peer_cache.go b/models/peer/peer_cache.go
index 071fee4..504137b 100644
--- a/models/peer/peer_cache.go
+++ b/models/peer/peer_cache.go
@@ -129,8 +129,8 @@ func (p *PeerCache) exec(url string, method tools.METHOD, body map[string]interf
 		fmt.Println("response", err)
 		return err
 	}
-
-	if e, ok := m["error"]; !ok && e != "" { // Check if there is an error in the response
+	fmt.Println("response", m["error"])
+	if e, ok := m["error"]; !ok && e != "" && e != "<nil>" { // Check if there is an error in the response
 		return errors.New(fmt.Sprintf("%v", m["error"]))
 	}
 	return nil