change CHANGELOG.md

Author: “guojunchu”

CHANGELOG.md

@@ -1,12 +1,16 @@
 ## 1.53.9 (Unreleased)
-## 1.53.8 (March 15, 2021)
 
 ENHANCEMENTS:
 
-* Resource `tencentcloud_instance` add `cam_role_name` to support binding role to cvm instance.
 * Resource `tencentcloud_tcr_instance` add `open_public_network` to control public network access.
 * Resource `tencentcloud_cfs_file_system` add `storage_type` to change file service StorageType.
 
+## 1.53.8 (March 15, 2021)
+
+ENHANCEMENTS:
+
+* Resource `tencentcloud_instance` add `cam_role_name` to support binding role to cvm instance.
+
 BUG FIXES:
 
 * Resource `tencentcloud_instance` fix bug that waiting 5 minutes when cloud disk sold out.