diff --git a/app/adminapi/logic/finance/FinanceReturnedMoneyLogic.php b/app/adminapi/logic/finance/FinanceReturnedMoneyLogic.php
index 60617c4fd..0e866f7de 100644
--- a/app/adminapi/logic/finance/FinanceReturnedMoneyLogic.php
+++ b/app/adminapi/logic/finance/FinanceReturnedMoneyLogic.php
@@ -122,9 +122,16 @@ class FinanceReturnedMoneyLogic extends BaseLogic
         $financeReturnedMoney = FinanceReturnedMoney::findOrEmpty($params['id']);
         $financeReturnedMoney->contract;
         $financeReturnedMoney->custom;
-        $financeReturnedMoney->document =  $financeReturnedMoney->contract->document;
-        $financeReturnedMoney->project = $financeReturnedMoney->document->project;
-        unset($financeReturnedMoney->contract->document, $financeReturnedMoney->document->project);
+        $financeReturnedMoney->document =  null;
+        $financeReturnedMoney->project = null;
+        if (!empty($financeReturnedMoney->contract->document)) {
+            $financeReturnedMoney->document = $financeReturnedMoney->contract->document;
+            unset($financeReturnedMoney->contract->document);
+        }
+        if (!empty($financeReturnedMoney->document->project)) {
+            $financeReturnedMoney->project = $financeReturnedMoney->document->project;
+            unset($financeReturnedMoney->document->project);
+        }
         $financeReturnedMoney->annex = json_decode($financeReturnedMoney->annex, true);
         return $financeReturnedMoney->toArray();
     }