diff --git a/app/adminapi/logic/expense/ExpenseReimbursementLogic.php b/app/adminapi/logic/expense/ExpenseReimbursementLogic.php
index 219dc8566..cba916f70 100644
--- a/app/adminapi/logic/expense/ExpenseReimbursementLogic.php
+++ b/app/adminapi/logic/expense/ExpenseReimbursementLogic.php
@@ -187,12 +187,16 @@ class ExpenseReimbursementLogic extends BaseLogic
         foreach ($expenseReimbursement->detail as &$item) {
             $item->subject;
         }
+        unset($item);
         $expenseReimbursement->invoice;
+        foreach ($expenseReimbursement->invoice as &$item) {
+            $item->annex = json_decode($item->annex, true);
+        }
+        unset($item);
         $expenseReimbursement->custom;
         $expenseReimbursement->org;
         $expenseReimbursement->dept;
         $expenseReimbursement->annex = json_decode($expenseReimbursement->annex, true);
-        unset($item);
         return $expenseReimbursement->toArray();
     }
 }
\ No newline at end of file