diff --git a/sub/subJsonService.go b/sub/subJsonService.go
index 3955dbd4..057c1e81 100644
--- a/sub/subJsonService.go
+++ b/sub/subJsonService.go
@@ -127,7 +127,12 @@ func (s *SubJsonService) GetJson(subId string, host string) (string, string, err
 	}
 
 	// Combile outbounds
-	finalJson, _ := json.MarshalIndent(configArray, "", "  ")
+	var finalJson []byte
+	if len(configArray) == 1 {
+		finalJson, _ = json.MarshalIndent(configArray[0], "", "  ")
+	} else {
+		finalJson, _ = json.MarshalIndent(configArray, "", "  ")
+	}
 
 	header = fmt.Sprintf("upload=%d; download=%d; total=%d; expire=%d", traffic.Up, traffic.Down, traffic.Total, traffic.ExpiryTime/1000)
 	return string(finalJson), header, nil