下载返回错误提示错误2

app/controller/api/InvoiceIssuance.php

@@ -234,7 +234,7 @@ class InvoiceIssuance extends Base
             }
             $InvoiceIssuanceData = (new InvoiceIssuanceData)->where(['invoice_issuance_id' => $id, 'status' => 1])->find();
             if (!$InvoiceIssuanceData) {
-                throw new FuncException('PDF文件为下载成功');
+                throw new FuncException('PDF文件下载失败');
             }
             $filePath = $InvoiceIssuanceData['pdf_filepath'];
             $file_dir = App::getRootPath() . 'public/' . $filePath;