Update UPGRADING.md

lewzylu · web-flow · commit 5dea6bc8be6f · 2019-11-07T19:55:10.000+08:00
diff --git a/UPGRADING.md b/UPGRADING.md
@@ -1,5 +1,9 @@
 cos-php-sdk-v5 Upgrade Guide
 ====================
+2.0.2 to 2.0.3
+----------
+1. Fix path parse bug with /0/
+
 2.0.1 to 2.0.2
 ----------
 1. Fix bug of `putObject` with `fopen`
