update imports.go (#2655)

* update imports.go

* update imports.go
diff --git a/imports/imports.go b/imports/imports.go
index bb8845e..673085d 100644
--- a/imports/imports.go
+++ b/imports/imports.go
@@ -29,7 +29,9 @@
 	_ "dubbo.apache.org/dubbo-go/v3/cluster/cluster/failsafe"
 	_ "dubbo.apache.org/dubbo-go/v3/cluster/cluster/forking"
 	_ "dubbo.apache.org/dubbo-go/v3/cluster/cluster/zoneaware"
+	_ "dubbo.apache.org/dubbo-go/v3/cluster/loadbalance/aliasmethod"
 	_ "dubbo.apache.org/dubbo-go/v3/cluster/loadbalance/consistenthashing"
+	_ "dubbo.apache.org/dubbo-go/v3/cluster/loadbalance/iwrr"
 	_ "dubbo.apache.org/dubbo-go/v3/cluster/loadbalance/leastactive"
 	_ "dubbo.apache.org/dubbo-go/v3/cluster/loadbalance/p2c"
 	_ "dubbo.apache.org/dubbo-go/v3/cluster/loadbalance/random"