return null if _source is empty

2023-03-23 09:00:07 +08:00 · 2023-03-23 09:00:07 +08:00 · 845d77508b
parent 17abd00e20
commit 845d77508b
1 changed files with 1 additions and 0 deletions
--- a/plugin/api/insight/metric_util.go
+++ b/plugin/api/insight/metric_util.go
@ -385,6 +385,7 @@ func extractSomeValue(v interface{}) interface{} {
 		for _, v := range vm {
 			return extractSomeValue(v)
 		}
+		return nil
 	}
 	return v
 }