fix package error in config-center.md (#583)

diff --git a/docs/en-us/dev/impls/config-center.md b/docs/en-us/dev/impls/config-center.md
index 23e594b..2d52c37 100644
--- a/docs/en-us/dev/impls/config-center.md
+++ b/docs/en-us/dev/impls/config-center.md
@@ -22,10 +22,11 @@
 ## Existing Extension
 
 * `org.apache.dubbo.configcenter.support.zookeeper.ZookeeperDynamicConfigurationFactory`
-* `org.apache.dubbo.configcenter.support.zookeeper.NacosDynamicConfigurationFactory`
-* `org.apache.dubbo.configcenter.support.zookeeper.EtcdDynamicConfigurationFactory`
-* `org.apache.dubbo.configcenter.support.zookeeper.ConsulDynamicConfigurationFactory`
-* `org.apache.dubbo.configcenter.support.zookeeper.ApolloDynamicConfigurationFactory`
+* `org.apache.dubbo.configcenter.support.nacos.NacosDynamicConfigurationFactory`
+* `org.apache.dubbo.configcenter.support.etcd.EtcdDynamicConfigurationFactory`
+* `org.apache.dubbo.configcenter.consul.ConsulDynamicConfigurationFactory`
+* `org.apache.dubbo.configcenter.support.apollo.ApolloDynamicConfigurationFactory`
+* `org.apache.dubbo.common.config.configcenter.file.FileSystemDynamicConfigurationFactory`
 
 ## Implementation
 
diff --git a/docs/zh-cn/dev/impls/config-center.md b/docs/zh-cn/dev/impls/config-center.md
index ac1d658..9767b4e 100644
--- a/docs/zh-cn/dev/impls/config-center.md
+++ b/docs/zh-cn/dev/impls/config-center.md
@@ -21,10 +21,11 @@
 ## 已知扩展
 
 * `org.apache.dubbo.configcenter.support.zookeeper.ZookeeperDynamicConfigurationFactory`
-* `org.apache.dubbo.configcenter.support.zookeeper.NacosDynamicConfigurationFactory`
-* `org.apache.dubbo.configcenter.support.zookeeper.EtcdDynamicConfigurationFactory`
-* `org.apache.dubbo.configcenter.support.zookeeper.ConsulDynamicConfigurationFactory`
-* `org.apache.dubbo.configcenter.support.zookeeper.ApolloDynamicConfigurationFactory`
+* `org.apache.dubbo.configcenter.support.nacos.NacosDynamicConfigurationFactory`
+* `org.apache.dubbo.configcenter.support.etcd.EtcdDynamicConfigurationFactory`
+* `org.apache.dubbo.configcenter.consul.ConsulDynamicConfigurationFactory`
+* `org.apache.dubbo.configcenter.support.apollo.ApolloDynamicConfigurationFactory`
+* `org.apache.dubbo.common.config.configcenter.file.FileSystemDynamicConfigurationFactory`
 
 ## 实现原理