Merge pull request #160 from xujianhai666/feat-remove-ineffassign

remove ineffassign

cluster/cluster_impl/failback_cluster_invoker.go

@@ -131,7 +131,6 @@ func (invoker *failbackClusterInvoker) Invoke(invocation protocol.Invocation) pr
 		return &protocol.RPCResult{}
 	}
 	url := invokers[0].GetUrl()
-
 	methodName := invocation.MethodName()
 	//Get the service loadbalance config
 	lb := url.GetParam(constant.LOADBALANCE_KEY, constant.DEFAULT_LOADBALANCE)
@@ -146,7 +145,6 @@ func (invoker *failbackClusterInvoker) Invoke(invocation protocol.Invocation) pr
 	var result protocol.Result
 
 	ivk := invoker.doSelect(loadbalance, invocation, invokers, invoked)
-	invoked = append(invoked, ivk)
 	//DO INVOKE
 	result = ivk.Invoke(invocation)
 	if result.Error() != nil {

cluster/cluster_impl/failsafe_cluster_invoker.go

@@ -64,7 +64,6 @@ func (invoker *failsafeClusterInvoker) Invoke(invocation protocol.Invocation) pr
 	var result protocol.Result
 
 	ivk := invoker.doSelect(loadbalance, invocation, invokers, invoked)
-	invoked = append(invoked, ivk)
 	//DO INVOKE
 	result = ivk.Invoke(invocation)
 	if result.Error() != nil {