diff --git a/api-server/app/Action/Common/Upload.php b/api-server/app/Action/Common/Upload.php
index 57eb06338b89ce32feb74c183f5a9df7c5e68540..96835cd135894e730bc971fb2c1bf77f04b06a15 100644
--- a/api-server/app/Action/Common/Upload.php
+++ b/api-server/app/Action/Common/Upload.php
@@ -40,8 +40,9 @@ class Upload extends AbstractAction
         // 验证
         $this->validated(['file' => $file, 'path' => $path]);
         $fileName = $this->request->post('name', false) ?: $file->getClientFilename();
+        $extension = $this->request->file('file')->getExtension();
         if (preg_match('/[\x{4e00}-\x{9fa5}]+/u', $fileName) || strlen($fileName) > 32) {
-            $fileName = md5($fileName);
+            $fileName = md5($fileName). '.' . $extension;
         }
 
         $pathFileName = $path . '/' . $fileName;