diff --git a/app/common/service/UploadService.php b/app/common/service/UploadService.php
index e0197a6..ed984f7 100644
--- a/app/common/service/UploadService.php
+++ b/app/common/service/UploadService.php
@@ -25,10 +25,7 @@ class UploadService
                 $fileSize = $file->getSize();
 
                 if ($fileSize > 20 * 1024 * 1024){
-                    return [
-                        'code' => ResponseCode::FAIL,
-                        'msg' => '图片超出20M',
-                    ];
+                    throw new Exception('文件超出20M');
                 }
 
                 $uploadDir = '/files/' . $type . '/' . date('Ym') . '/';
@@ -82,10 +79,7 @@ class UploadService
                 $fileSize = $file->getSize();
 
                 if ($fileSize > 20 * 1024 * 1024){
-                    return [
-                        'code' => ResponseCode::FAIL,
-                        'msg' => '文件超出20M',
-                    ];
+                    throw new Exception('文件超出20M');
                 }
                 $origin_name = $file->getUploadName();