diff --git a/common/cache/lrucache.go b/common/cache/lrucache.go
index a2e0e903..4269d86b 100644
--- a/common/cache/lrucache.go
+++ b/common/cache/lrucache.go
@@ -121,7 +121,7 @@ func (c *LruCache) Set(key interface{}, value interface{}) {
 	c.SetWithExpire(key, value, time.Unix(expires, 0))
 }
 
-// SetWithExpire stores the interface{} representation of a response for a given key and given exires.
+// SetWithExpire stores the interface{} representation of a response for a given key and given expires.
 // The expires time will round to second.
 func (c *LruCache) SetWithExpire(key interface{}, value interface{}, expires time.Time) {
 	c.mu.Lock()
diff --git a/common/pool/alloc.go b/common/pool/alloc.go
index 4f26c036..bf177da8 100644
--- a/common/pool/alloc.go
+++ b/common/pool/alloc.go
@@ -61,7 +61,7 @@ func (alloc *Allocator) Put(buf []byte) error {
 	return nil
 }
 
-// msb return the pos of most significiant bit
+// msb return the pos of most significant bit
 func msb(size int) uint16 {
 	return uint16(bits.Len32(uint32(size)) - 1)
 }
diff --git a/common/singledo/singledo.go b/common/singledo/singledo.go
index e592343b..f6123fe4 100644
--- a/common/singledo/singledo.go
+++ b/common/singledo/singledo.go
@@ -24,8 +24,8 @@ type Result struct {
 	Err error
 }
 
-// Do single.Do likes sync.singleFilght
-//lint:ignore ST1008 it likes sync.singleFilght
+// Do single.Do likes sync.singleFlight
+//lint:ignore ST1008 it likes sync.singleFlight
 func (s *Single) Do(fn func() (interface{}, error)) (v interface{}, err error, shared bool) {
 	s.mux.Lock()
 	now := time.Now()
diff --git a/config/utils.go b/config/utils.go
index 74af4a64..b3d198f7 100644
--- a/config/utils.go
+++ b/config/utils.go
@@ -23,7 +23,7 @@ func proxyGroupsDagSort(groupsConfig []map[string]interface{}) error {
 		indegree int
 		// topological order
 		topo int
-		// the origional data in `groupsConfig`
+		// the original data in `groupsConfig`
 		data map[string]interface{}
 		// `outdegree` and `from` are used in loop locating
 		outdegree int
@@ -65,7 +65,7 @@ func proxyGroupsDagSort(groupsConfig []map[string]interface{}) error {
 	index := 0
 	queue := make([]string, 0)
 	for name, node := range graph {
-		// in the begning, put nodes that have `node.indegree == 0` into queue.
+		// in the beginning, put nodes that have `node.indegree == 0` into queue.
 		if node.indegree == 0 {
 			queue = append(queue, name)
 		}
diff --git a/constant/adapters.go b/constant/adapters.go
index a12975ba..4ba891de 100644
--- a/constant/adapters.go
+++ b/constant/adapters.go
@@ -137,7 +137,7 @@ type UDPPacket interface {
 
 	// WriteBack writes the payload with source IP/Port equals addr
 	// - variable source IP/Port is important to STUN
-	// - if addr is not provided, WriteBack will wirte out UDP packet with SourceIP/Prot equals to origional Target,
+	// - if addr is not provided, WriteBack will write out UDP packet with SourceIP/Port equals to original Target,
 	//   this is important when using Fake-IP.
 	WriteBack(b []byte, addr net.Addr) (n int, err error)
 
diff --git a/hub/route/configs.go b/hub/route/configs.go
index c551d667..581f2855 100644
--- a/hub/route/configs.go
+++ b/hub/route/configs.go
@@ -106,7 +106,7 @@ func updateConfigs(w http.ResponseWriter, r *http.Request) {
 	} else {
 		if !filepath.IsAbs(req.Path) {
 			render.Status(r, http.StatusBadRequest)
-			render.JSON(w, r, newError("path is not a absoluted path"))
+			render.JSON(w, r, newError("path is not a absolute path"))
 			return
 		}
 
diff --git a/proxy/redir/utils.go b/proxy/redir/utils.go
index 46e39b8a..58e30b0c 100644
--- a/proxy/redir/utils.go
+++ b/proxy/redir/utils.go
@@ -15,7 +15,7 @@ func (c *packet) Data() []byte {
 	return c.buf
 }
 
-// WriteBack opens a new socket binding `addr` to wirte UDP packet back
+// WriteBack opens a new socket binding `addr` to write UDP packet back
 func (c *packet) WriteBack(b []byte, addr net.Addr) (n int, err error) {
 	tc, err := dialUDP("udp", addr.(*net.UDPAddr), c.lAddr)
 	if err != nil {
diff --git a/proxy/socks/utils.go b/proxy/socks/utils.go
index d3ab3b78..797e0a22 100644
--- a/proxy/socks/utils.go
+++ b/proxy/socks/utils.go
@@ -18,7 +18,7 @@ func (c *packet) Data() []byte {
 	return c.payload
 }
 
-// WriteBack wirtes UDP packet with source(ip, port) = `addr`
+// WriteBack write UDP packet with source(ip, port) = `addr`
 func (c *packet) WriteBack(b []byte, addr net.Addr) (n int, err error) {
 	packet, err := socks5.EncodeUDPPacket(socks5.ParseAddrToSocksAddr(addr), b)
 	if err != nil {