优化合并开票逻辑

app/service/invoice/InvoiceIssuanceService.php

@@ -252,8 +252,10 @@ class InvoiceIssuanceService
             $puCodeUserData = [];
             $pucodeArr = [$pucode];
 
-            if ($invoiceIssuance['merge'] == 1) {
+            if ($invoiceIssuance['merge'] != 1) {
                 $pucodeArr = UserService::getTaxUser($bdznsrsbh, $invoiceIssuance['wechat_user_id']);
+                $pucodeArr[] = $pucode;
+                $pucodeArr = array_unique($pucodeArr);
             }
 
             // 多组用户编号