edit

lib/Store/Qiniu.php

@@ -221,7 +221,7 @@ class Qiniu extends Core implements Config
             if ($config['height'] <= 0) {
                 $config['height'] = '';
             }
-            $dest = $source . $prefix . '/thumbnail/'.$config['width'].'x'.$config['height'];
+            $dest = $source . $prefix . '/thumbnail/'.$config['width'].'x'.$config['height'] . '>';
 
             if (isset($config['compress']) && $config['compress'] > 0) {
                 //$dest .= '/q/' . $config['compress'];