diff --git a/CHANGELOG.md b/CHANGELOG.md
index 96d4773a..631552a9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,11 @@
-	## 1.19.11 (Unreleased)
+	## 1.19.12 (Unreleased)
+
+## 1.19.11 (August 10, 2023)
+FEATURES:
+- **New Data Source:** `baiducloud_bcc_key_pairs`
+
+ENHANCEMENTS:
+- Update `baidubce/bce-sdk-go` to v0.9.155
 
 ## 1.19.10 (August 4, 2023)
 BUG FIXES:
@@ -18,7 +25,7 @@ ENHANCEMENTS:
 - resource/baiducloud_instance: Add parameter `hostname`, support modification.
 - datasource/baiducloud_instance: Add parameters `keypair_id`, `auto_renew`, `instance_ids`, `instance_names`, 
 `cds_ids`, `deploy_set_ids`, `security_group_ids`, `payment_timing`, `status`, `tags`, `vpc_id`, `private_ips`.
-p
+
 ## 1.19.6 (April 04, 2023)
 NOTES:
 - Add parameter disk_io_type for rds instance
diff --git a/baiducloud/connectivity/client.go b/baiducloud/connectivity/client.go
index 6a0bc3bd..450a26cf 100644
--- a/baiducloud/connectivity/client.go
+++ b/baiducloud/connectivity/client.go
@@ -71,7 +71,7 @@ type ApiVersion string
 
 var goSdkMutex = sync.RWMutex{} // The Go SDK is not thread-safe
 
-var providerVersion = "1.19.10"
+var providerVersion = "1.19.11"
 
 // Client for BaiduCloudClient
 func (c *Config) Client() (*BaiduClient, error) {