patch of copy

Author: lewzylu

src/Qcloud/Cos/Copy.php

@@ -9,7 +9,7 @@ class Copy {
     /**
      * const var: part size from 5MB to 5GB, and max parts of 10000 are allowed for each upload.
      */
-    const MIN_PART_SIZE = 1024 * 1024 * 1024;
+    const MIN_PART_SIZE = 1073741824;
     const MAX_PART_SIZE = 5368709120;
     const MAX_PARTS     = 10000;