修改业务bug

app/Service/ExpenseClaimsService.php

@@ -85,7 +85,7 @@ class ExpenseClaimsService extends Service
                 $unit[] = [
                     'expense_claims_id' => $id,
                     'item_id' => $value['item_id'],
-                    'employee_id' => $value['employee_id'],
+                    'employee_id' => $value['employee_id']??"",
                     'fee_id' => $value['fee_id'],
                     'amount' => $value['amount'],
                     'remark' => $value['remark'],