refactor: fix code lint warnings

handler/alidns/alidns.go

@@ -133,7 +133,7 @@ func (d *AliDNS) UpdateDomainRecord(r DomainRecord) error {
 }
 
 func (d *AliDNS) genRequestURL(parms map[string]string) string {
-	pArr := []string{}
+	var pArr []string
 	ps := map[string]string{}
 	for k, v := range publicParm {
 		ps[k] = v

handler/dnspod/dnspod_handler.go

@@ -14,7 +14,7 @@ import (
 	"time"
 
 	"github.com/TimothyYe/godns"
-	simplejson "github.com/bitly/go-simplejson"
+	"github.com/bitly/go-simplejson"
 )
 
 // Handler struct definition

handler/google/google_handler.go

@@ -85,6 +85,7 @@ func (handler *Handler) UpdateIP(domain, subDomain, currentIP string) {
 	if err != nil {
 		// handle error
 		log.Print("Failed to update sub domain:", subDomain)
+		return
 	}
 
 	defer resp.Body.Close()