diff --git a/cmd/joj3/main.go b/cmd/joj3/main.go
index a211105..0fd6385 100644
--- a/cmd/joj3/main.go
+++ b/cmd/joj3/main.go
@@ -108,6 +108,9 @@ func init() {
 }
 
 func mainImpl() error {
+	for _, e := range os.Environ() {
+		fmt.Println(e)
+	}
 	if err := setupSlog(""); err != nil { // before conf is loaded
 		return err
 	}