diff --git a/pkg/innerring/processors/alphabet/process_emit.go b/pkg/innerring/processors/alphabet/process_emit.go
index f5885c46b..c8c95fa86 100644
--- a/pkg/innerring/processors/alphabet/process_emit.go
+++ b/pkg/innerring/processors/alphabet/process_emit.go
@@ -67,7 +67,9 @@ func (np *Processor) processEmit() {
 		if err != nil {
 			np.log.Warn("can't transfer gas",
 				zap.String("receiver", key.Address()),
-				zap.Int64("amount", int64(gasPerNode)))
+				zap.Int64("amount", int64(gasPerNode)),
+				zap.String("error", err.Error()),
+			)
 		}
 	}
 }