diff --git a/pkg/cmd/root.go b/pkg/cmd/root.go
index b50ab17..4a38a9b 100644
--- a/pkg/cmd/root.go
+++ b/pkg/cmd/root.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"log"
 	"net/http"
+	_ "net/http/pprof"
 	"os"
 	"runtime"
 
diff --git a/pkg/provider/aliyun.go b/pkg/provider/aliyun.go
index 5f2d173..de7215b 100644
--- a/pkg/provider/aliyun.go
+++ b/pkg/provider/aliyun.go
@@ -115,6 +115,7 @@ func (a *AliyunDNS) ListRecords() ([]Record, error) {
 	}
 	results := make(map[string][]*alidns.DescribeDomainRecordsResponseBodyDomainRecordsRecord)
 	ticker := time.NewTicker(100 * time.Millisecond)
+	defer ticker.Stop()
 	for _, domain := range domains {
 		wg.Add(1)
 		go func(domain string) {
diff --git a/pkg/provider/amazon.go b/pkg/provider/amazon.go
index 7e6c623..901e44a 100644
--- a/pkg/provider/amazon.go
+++ b/pkg/provider/amazon.go
@@ -66,6 +66,7 @@ func (a *AmazonDNS) ListDomains() ([]Domain, error) {
 		return nil, err
 	}
 	ticker := time.NewTicker(100 * time.Millisecond)
+	defer ticker.Stop()
 	for _, domain := range domains {
 		wg.Add(1)
 		go func(domain types.HostedZone) {
diff --git a/pkg/provider/cloudflare.go b/pkg/provider/cloudflare.go
index c5a9883..06cb3ad 100644
--- a/pkg/provider/cloudflare.go
+++ b/pkg/provider/cloudflare.go
@@ -54,6 +54,7 @@ func (cf *CloudFlareDNS) ListDomains() ([]Domain, error) {
 		return nil, err
 	}
 	ticker := time.NewTicker(100 * time.Millisecond)
+	defer ticker.Stop()
 	for _, domain := range domains {
 		wg.Add(1)
 		go func(domain cloudflare.Zone) {
diff --git a/pkg/provider/dnsla.go b/pkg/provider/dnsla.go
index 9d3c707..6cdc97a 100644
--- a/pkg/provider/dnsla.go
+++ b/pkg/provider/dnsla.go
@@ -100,6 +100,7 @@ func (d *DNSLaDNS) ListRecords() ([]Record, error) {
 	}
 	results := make(map[string][]dnsla.Record)
 	ticker := time.NewTicker(time.Second)
+	defer ticker.Stop()
 	for _, domain := range domains {
 		wg.Add(1)
 		go func(domainName, domainId string) {
diff --git a/pkg/provider/godaddy.go b/pkg/provider/godaddy.go
index 35df812..703f2f4 100644
--- a/pkg/provider/godaddy.go
+++ b/pkg/provider/godaddy.go
@@ -101,6 +101,7 @@ func (g *GodaddyDNS) ListRecords() ([]Record, error) {
 	}
 	results := make(map[string][]daddy.DNSRecord)
 	ticker := time.NewTicker(time.Second)
+	defer ticker.Stop()
 	for _, domain := range domains {
 		wg.Add(1)
 		go func(domain string) {
diff --git a/pkg/provider/tencent.go b/pkg/provider/tencent.go
index 915d7a6..966f5a9 100644
--- a/pkg/provider/tencent.go
+++ b/pkg/provider/tencent.go
@@ -114,6 +114,7 @@ func (t *TencentCloudDNS) ListRecords() ([]Record, error) {
 	}
 	results := make(map[string][]*dnspod.RecordListItem)
 	ticker := time.NewTicker(100 * time.Millisecond)
+	defer ticker.Stop()
 	for _, domain := range domains {
 		wg.Add(1)
 		go func(domain string) {