Update UPGRADING.md

lewzylu · web-flow · commit 9d9471397fd4 · 2020-04-21T09:45:23.000+08:00
diff --git a/UPGRADING.md b/UPGRADING.md
@@ -1,5 +1,9 @@
 cos-php-sdk-v5 Upgrade Guide
 ====================
+2.0.6 to 2.0.7
+----------
+- Fix presigned url when using tmpSecretId/tmpSecretKey/Token
+
 2.0.6 to 2.0.7
 ----------
 - Fix response of `ListParts`
