diff --git a/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/PolarisLoadBalancerTest.java b/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/PolarisLoadBalancerTest.java
index 6241318fb..6e5514c50 100644
--- a/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/PolarisLoadBalancerTest.java
+++ b/spring-cloud-tencent-polaris-loadbalancer/src/test/java/com/tencent/cloud/polaris/loadbalancer/PolarisLoadBalancerTest.java
@@ -80,6 +80,7 @@ public class PolarisLoadBalancerTest {
 		//mock routerAPI for rule
 		when(routerAPI.processLoadBalance(any())).thenReturn(assembleProcessLoadBalanceResp());
 		PolarisWeightedRule rule = new PolarisWeightedRule(routerAPI);
+		rule.initWithNiwsConfig(new DefaultClientConfigImpl());
 
 		// clientConfig
 		IClientConfig config = new DefaultClientConfigImpl();
@@ -111,6 +112,7 @@ public class PolarisLoadBalancerTest {
 		//mock routerAPI for rule
 		when(routerAPI.processLoadBalance(any())).thenReturn(assembleProcessLoadBalanceResp());
 		PolarisWeightedRule rule = new PolarisWeightedRule(routerAPI);
+		rule.initWithNiwsConfig(new DefaultClientConfigImpl());
 
 		// clientConfig
 		IClientConfig config = new DefaultClientConfigImpl();