diff --git a/dubbo/src/triple/transport/service.rs b/dubbo/src/triple/transport/service.rs
index 355a3f1f..5b41ef86 100644
--- a/dubbo/src/triple/transport/service.rs
+++ b/dubbo/src/triple/transport/service.rs
@@ -169,7 +169,7 @@ impl DubboServer {
         };
 
         let acceptor: Option<TlsAcceptor>;
-        if self.certs.len() != 0 && !self.keys.len() != 0 {
+        if self.certs.len() != 0 && self.keys.len() != 0 {
             let mut keys = self.keys;
 
             let config = rustls::ServerConfig::builder()
diff --git a/registry/zookeeper/src/lib.rs b/registry/zookeeper/src/lib.rs
index 8de2bd16..c75d3c23 100644
--- a/registry/zookeeper/src/lib.rs
+++ b/registry/zookeeper/src/lib.rs
@@ -226,7 +226,7 @@ impl ZookeeperRegistry {
         }
 
         for (key, old_host) in old_urls_map.iter() {
-            let new_host = old_urls_map.get(key);
+            let new_host = new_urls_map.get(key);
             match new_host {
                 None => {
                     removed_hosts.push(old_host.clone());