修改格式

app/Service/ImportService.php

@@ -134,7 +134,7 @@ class ImportService extends Service
             list($status,$result) = $this->processXlsxFile($tempFile);
             if (! $status) return [false, $result];
 
-            return [true, ['content' => $result, 'type' => 'xlsx']];
+            return [true, ['content' => [$result], 'type' => 'xlsx']];
         } elseif ($mimeType === self::file_two) {
             // 创建 ZipArchive 对象
             $zip = new \ZipArchive();