diff --git a/platform/TencentSCF_file.php b/platform/TencentSCF_file.php
index 606481f..8db3f4c 100644
--- a/platform/TencentSCF_file.php
+++ b/platform/TencentSCF_file.php
@@ -705,3 +705,7 @@ function changeAuthKey() {
     </script>';
     return message($html, 'Change platform Auth token or key', 200);
 }
+
+function smallfileupload($drive, $path) {
+    return output('Can not upload through SCF.', 400);
+}