diff --git a/discovery/seata-discovery-zk/src/main/java/io/seata/discovery/registry/zk/ZookeeperRegisterServiceImpl.java b/discovery/seata-discovery-zk/src/main/java/io/seata/discovery/registry/zk/ZookeeperRegisterServiceImpl.java
index 4f33cbc5c1c..e8eb091844b 100644
--- a/discovery/seata-discovery-zk/src/main/java/io/seata/discovery/registry/zk/ZookeeperRegisterServiceImpl.java
+++ b/discovery/seata-discovery-zk/src/main/java/io/seata/discovery/registry/zk/ZookeeperRegisterServiceImpl.java
@@ -64,6 +64,8 @@ public class ZookeeperRegisterServiceImpl implements RegistryService<IZkChildLis
     private static final String AUTH_PASSWORD = "password";
     private static final String SESSION_TIME_OUT_KEY = "sessionTimeout";
     private static final String CONNECT_TIME_OUT_KEY = "connectTimeout";
+    private static final int DEFAULT_SESSION_TIMEOUT = 6000;
+    private static final int DEFAULT_CONNECT_TIMEOUT = 2000;
     private static final String FILE_CONFIG_KEY_PREFIX = FILE_ROOT_REGISTRY + FILE_CONFIG_SPLIT_CHAR + REGISTRY_TYPE
         + FILE_CONFIG_SPLIT_CHAR;
     private static final String ROOT_PATH = ZK_PATH_SPLIT_CHAR + FILE_ROOT_REGISTRY + ZK_PATH_SPLIT_CHAR + REGISTRY_TYPE
@@ -208,8 +210,8 @@ private ZkClient getClientInstance() {
             synchronized (ZookeeperRegisterServiceImpl.class) {
                 if (null == zkClient) {
                     zkClient = buildZkClient(FILE_CONFIG.getConfig(FILE_CONFIG_KEY_PREFIX + SERVER_ADDR_KEY),
-                        FILE_CONFIG.getInt(FILE_CONFIG_KEY_PREFIX + SESSION_TIME_OUT_KEY),
-                        FILE_CONFIG.getInt(FILE_CONFIG_KEY_PREFIX + CONNECT_TIME_OUT_KEY),
+                        FILE_CONFIG.getInt(FILE_CONFIG_KEY_PREFIX + SESSION_TIME_OUT_KEY, DEFAULT_SESSION_TIMEOUT),
+                        FILE_CONFIG.getInt(FILE_CONFIG_KEY_PREFIX + CONNECT_TIME_OUT_KEY, DEFAULT_CONNECT_TIMEOUT),
                         FILE_CONFIG.getConfig(FILE_CONFIG_KEY_PREFIX + AUTH_USERNAME),
                         FILE_CONFIG.getConfig(FILE_CONFIG_KEY_PREFIX + AUTH_PASSWORD));
                 }