Merge pull request #1212 from astaxie/revert-1211-revert-1210-develop

Revert "Revert "fix multiple filters execute issue""

@@ -611,9 +611,6 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
 		if p.enableFilter {
 			if l, ok := p.filters[pos]; ok {
 				for _, filterR := range l {
-					if filterR.returnOnOutput && w.started {
-						return true
-					}
 					if ok, params := filterR.ValidRouter(urlPath); ok {
 						for k, v := range params {
 							context.Input.Params[k] = v