diff --git a/webapp/models/Chip.php b/webapp/models/Chip.php
index 4d2992ca..ad0b66fe 100644
--- a/webapp/models/Chip.php
+++ b/webapp/models/Chip.php
@@ -359,9 +359,12 @@ class Chip extends BaseModel
         $chipIdsArr = explode('|',$chip_ids);
         foreach ($chipIdsArr as $val){
 //            $chip = self::toDto(self::getChipByIdx($val));
-            $chip = self::toDto(self::getChipByTokenId($val));
-            foreach ($chip['rand_attr'] as $v){
-                array_push($chipAttr,$v);
+            $row = self::getChipByTokenId($val);
+            if ($row){
+                $chip = self::toDto($row);
+                foreach ($chip['rand_attr'] as $v){
+                    array_push($chipAttr,$v);
+                }
             }
         }
         $item = [];