diff --git a/.changelog/2549.txt b/.changelog/2549.txt
new file mode 100644
index 0000000000..6c8c89bab3
--- /dev/null
+++ b/.changelog/2549.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/tencentcloud_mysql_instance: Fixed the problem of clienttoken duplication caused by creation retry.
+```
\ No newline at end of file
diff --git a/tencentcloud/services/cdb/resource_tc_mysql_instance.go b/tencentcloud/services/cdb/resource_tc_mysql_instance.go
index f7349e7420..886e269cb8 100644
--- a/tencentcloud/services/cdb/resource_tc_mysql_instance.go
+++ b/tencentcloud/services/cdb/resource_tc_mysql_instance.go
@@ -570,6 +570,8 @@ func mysqlCreateInstancePayByMonth(ctx context.Context, d *schema.ResourceData,
 	var response *cdb.CreateDBInstanceResponse
 	err := resource.Retry(tccommon.WriteRetryTimeout, func() *resource.RetryError {
 		// shadowed response will not pass to outside
+		clientToken := helper.BuildToken()
+		request.ClientToken = &clientToken
 		r, inErr := meta.(tccommon.ProviderMeta).GetAPIV3Conn().UseMysqlClient().CreateDBInstance(request)
 		if inErr != nil {
 			log.Printf("[CRITAL]%s api[%s] fail, request body [%s], reason[%s]\n",
@@ -621,6 +623,8 @@ func mysqlCreateInstancePayByUse(ctx context.Context, d *schema.ResourceData, me
 	var response *cdb.CreateDBInstanceHourResponse
 	err := resource.Retry(tccommon.WriteRetryTimeout, func() *resource.RetryError {
 		// shadowed response will not pass to outside
+		clientToken := helper.BuildToken()
+		request.ClientToken = &clientToken
 		r, inErr := meta.(tccommon.ProviderMeta).GetAPIV3Conn().UseMysqlClient().CreateDBInstanceHour(request)
 		if inErr != nil {
 			return tccommon.RetryError(inErr)