perf:上传文件使用部分文件名作为前缀以便识别

app/common/library/Upload.php

@@ -186,7 +186,7 @@ class Upload
             '{sec}'      => date("s"),
             '{random}'   => Random::build(),
             '{random32}' => Random::build('alnum', 32),
-            '{filename}' => substr($filename, 0, 100),
+            '{filename}' => substr($filename, 0, 15),
             '{suffix}'   => $suffix,
             '{.suffix}'  => $suffix ? '.' . $suffix : '',
             '{filesha1}' => $sha1,

config/upload.php

@@ -7,7 +7,7 @@ return [
     // 最大上传
     'maxsize'  => '10mb',
     // 文件保存格式化方法
-    'savename' => '/storage/{topic}/{year}{mon}{day}/{filesha1}{.suffix}',
+    'savename' => '/storage/{topic}/{year}{mon}{day}/{filename}{filesha1}{.suffix}',
     // 文件格式限制
     'mimetype' => 'jpg,png,bmp,jpeg,gif,webp,zip,rar,xls,xlsx,doc,docx,wav,mp4,mp3,txt',
 ];