diff --git a/functions.php b/functions.php
index 6edb2b0..a9f6649 100644
--- a/functions.php
+++ b/functions.php
@@ -435,6 +435,7 @@ function array_value_isnot_null($arr)
 function setConfig($arr)
 {
     $envs = json_decode(file_get_contents('config.json'));
+    if ($envs=='') $envs = [];
     foreach ($arr as $k1 => $v1) {
         $evns[$k1] = $v1;
     }