diff --git a/client/proxy/udp.go b/client/proxy/udp.go
index 0a5cefcc..d7a790c1 100644
--- a/client/proxy/udp.go
+++ b/client/proxy/udp.go
@@ -89,7 +89,7 @@ func (pxy *UDPProxy) Close() {
 func (pxy *UDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
 	xl := pxy.xl
 	xl.Info("incoming a new work connection for udp proxy, %s", conn.RemoteAddr().String())
-	// close resources releated with old workConn
+	// close resources related with old workConn
 	pxy.Close()
 
 	var rwc io.ReadWriteCloser = conn
diff --git a/client/visitor/visitor.go b/client/visitor/visitor.go
index dcd1f7b3..4cfd6106 100644
--- a/client/visitor/visitor.go
+++ b/client/visitor/visitor.go
@@ -25,7 +25,7 @@ import (
 	"github.com/fatedier/frp/pkg/util/xlog"
 )
 
-// Helper wrapps some functions for visitor to use.
+// Helper wraps some functions for visitor to use.
 type Helper interface {
 	// ConnectServer directly connects to the frp server.
 	ConnectServer() (net.Conn, error)
diff --git a/cmd/frps/root.go b/cmd/frps/root.go
index 1fa57d95..5f32fe9c 100644
--- a/cmd/frps/root.go
+++ b/cmd/frps/root.go
@@ -40,7 +40,7 @@ var (
 func init() {
 	rootCmd.PersistentFlags().StringVarP(&cfgFile, "config", "c", "", "config file of frps")
 	rootCmd.PersistentFlags().BoolVarP(&showVersion, "version", "v", false, "version of frps")
-	rootCmd.PersistentFlags().BoolVarP(&strictConfigMode, "strict_config", "", false, "strict config parsing mode, unknown fileds will cause error")
+	rootCmd.PersistentFlags().BoolVarP(&strictConfigMode, "strict_config", "", false, "strict config parsing mode, unknown fields will cause error")
 
 	RegisterServerConfigFlags(rootCmd, &serverCfg)
 }
diff --git a/conf/frpc_full_example.toml b/conf/frpc_full_example.toml
index bdfc5643..247d0a6a 100644
--- a/conf/frpc_full_example.toml
+++ b/conf/frpc_full_example.toml
@@ -38,7 +38,7 @@ auth.token = "12345678"
 # auth.oidc.clientSecret = ""
 # oidc.audience specifies the audience of the token in OIDC authentication.
 # auth.oidc.audience = ""
-# oidc.scope specifies the permisssions of the token in OIDC authentication if AuthenticationMethod == "oidc". By default, this value is "".
+# oidc.scope specifies the permissions of the token in OIDC authentication if AuthenticationMethod == "oidc". By default, this value is "".
 # auth.oidc.scope = ""
 # oidc.tokenEndpointURL specifies the URL which implements OIDC Token Endpoint.
 # It will be used to get an OIDC token.
diff --git a/conf/legacy/frpc_legacy_full.ini b/conf/legacy/frpc_legacy_full.ini
index f8eca6b7..51ac9c47 100644
--- a/conf/legacy/frpc_legacy_full.ini
+++ b/conf/legacy/frpc_legacy_full.ini
@@ -56,7 +56,7 @@ oidc_client_secret =
 # oidc_audience specifies the audience of the token in OIDC authentication if AuthenticationMethod == "oidc". By default, this value is "".
 oidc_audience =
 
-# oidc_scope specifies the permisssions of the token in OIDC authentication if AuthenticationMethod == "oidc". By default, this value is "".
+# oidc_scope specifies the permissions of the token in OIDC authentication if AuthenticationMethod == "oidc". By default, this value is "".
 oidc_scope =
 
 # oidc_token_endpoint_url specifies the URL which implements OIDC Token Endpoint.
diff --git a/pkg/config/legacy/client.go b/pkg/config/legacy/client.go
index f7257cb5..50f62bef 100644
--- a/pkg/config/legacy/client.go
+++ b/pkg/config/legacy/client.go
@@ -99,7 +99,7 @@ type ClientCommonConf struct {
 	// the server must have TCP multiplexing enabled as well. By default, this
 	// value is true.
 	TCPMux bool `ini:"tcp_mux" json:"tcp_mux"`
-	// TCPMuxKeepaliveInterval specifies the keep alive interval for TCP stream multipler.
+	// TCPMuxKeepaliveInterval specifies the keep alive interval for TCP stream multiplier.
 	// If TCPMux is true, heartbeat of application layer is unnecessary because it can only rely on heartbeat in TCPMux.
 	TCPMuxKeepaliveInterval int64 `ini:"tcp_mux_keepalive_interval" json:"tcp_mux_keepalive_interval"`
 	// User specifies a prefix for proxy names to distinguish them from other
diff --git a/pkg/config/legacy/server.go b/pkg/config/legacy/server.go
index 797770a3..1279a499 100644
--- a/pkg/config/legacy/server.go
+++ b/pkg/config/legacy/server.go
@@ -139,7 +139,7 @@ type ServerCommonConf struct {
 	// from a client to share a single TCP connection. By default, this value
 	// is true.
 	TCPMux bool `ini:"tcp_mux" json:"tcp_mux"`
-	// TCPMuxKeepaliveInterval specifies the keep alive interval for TCP stream multipler.
+	// TCPMuxKeepaliveInterval specifies the keep alive interval for TCP stream multiplier.
 	// If TCPMux is true, heartbeat of application layer is unnecessary because it can only rely on heartbeat in TCPMux.
 	TCPMuxKeepaliveInterval int64 `ini:"tcp_mux_keepalive_interval" json:"tcp_mux_keepalive_interval"`
 	// TCPKeepAlive specifies the interval between keep-alive probes for an active network connection between frpc and frps.
diff --git a/pkg/config/load.go b/pkg/config/load.go
index 41d1a231..3014eb35 100644
--- a/pkg/config/load.go
+++ b/pkg/config/load.go
@@ -221,7 +221,7 @@ func LoadClientConfig(path string, strict bool) (
 	}
 
 	// Load additional config from includes.
-	// legacy ini format alredy handle this in ParseClientConfig.
+	// legacy ini format already handle this in ParseClientConfig.
 	if len(cliCfg.IncludeConfigFiles) > 0 && !isLegacyFormat {
 		extPxyCfgs, extVisitorCfgs, err := LoadAdditionalClientConfigs(cliCfg.IncludeConfigFiles, isLegacyFormat, strict)
 		if err != nil {
diff --git a/pkg/config/v1/client.go b/pkg/config/v1/client.go
index 9029aa73..52b87690 100644
--- a/pkg/config/v1/client.go
+++ b/pkg/config/v1/client.go
@@ -111,7 +111,7 @@ type ClientTransportConfig struct {
 	// the server must have TCP multiplexing enabled as well. By default, this
 	// value is true.
 	TCPMux *bool `json:"tcpMux,omitempty"`
-	// TCPMuxKeepaliveInterval specifies the keep alive interval for TCP stream multipler.
+	// TCPMuxKeepaliveInterval specifies the keep alive interval for TCP stream multiplier.
 	// If TCPMux is true, heartbeat of application layer is unnecessary because it can only rely on heartbeat in TCPMux.
 	TCPMuxKeepaliveInterval int64 `json:"tcpMuxKeepaliveInterval,omitempty"`
 	// QUIC protocol options.
diff --git a/pkg/config/v1/common.go b/pkg/config/v1/common.go
index 422a8082..72c9d036 100644
--- a/pkg/config/v1/common.go
+++ b/pkg/config/v1/common.go
@@ -83,7 +83,7 @@ type TLSConfig struct {
 }
 
 type LogConfig struct {
-	// This is destination where frp should wirte the logs.
+	// This is destination where frp should write the logs.
 	// If "console" is used, logs will be printed to stdout, otherwise,
 	// logs will be written to the specified file.
 	// By default, this value is "console".
diff --git a/pkg/config/v1/server.go b/pkg/config/v1/server.go
index c42c3eca..e49921e9 100644
--- a/pkg/config/v1/server.go
+++ b/pkg/config/v1/server.go
@@ -152,7 +152,7 @@ type ServerTransportConfig struct {
 	// is true.
 	// $HideFromDoc
 	TCPMux *bool `json:"tcpMux,omitempty"`
-	// TCPMuxKeepaliveInterval specifies the keep alive interval for TCP stream multipler.
+	// TCPMuxKeepaliveInterval specifies the keep alive interval for TCP stream multiplier.
 	// If TCPMux is true, heartbeat of application layer is unnecessary because it can only rely on heartbeat in TCPMux.
 	TCPMuxKeepaliveInterval int64 `json:"tcpMuxKeepaliveInterval,omitempty"`
 	// TCPKeepAlive specifies the interval between keep-alive probes for an active network connection between frpc and frps.
diff --git a/pkg/transport/message.go b/pkg/transport/message.go
index 7163a8ad..dd43fbdc 100644
--- a/pkg/transport/message.go
+++ b/pkg/transport/message.go
@@ -29,7 +29,7 @@ type MessageTransporter interface {
 	// Recv(ctx context.Context, laneKey string, msgType string) (Message, error)
 	// Do will first send msg, then recv msg with the same laneKey and specified msgType.
 	Do(ctx context.Context, req msg.Message, laneKey, recvMsgType string) (msg.Message, error)
-	// Dispatch will dispatch message to releated channel registered in Do function by its message type and laneKey.
+	// Dispatch will dispatch message to related channel registered in Do function by its message type and laneKey.
 	Dispatch(m msg.Message, laneKey string) bool
 	// Same with Dispatch but with specified message type.
 	DispatchWithType(m msg.Message, msgType, laneKey string) bool
@@ -46,7 +46,7 @@ type transporterImpl struct {
 	sendCh chan msg.Message
 
 	// First key is message type and second key is lane key.
-	// Dispatch will dispatch message to releated channel by its message type
+	// Dispatch will dispatch message to related channel by its message type
 	// and lane key.
 	registry map[string]map[string]chan msg.Message
 	mu       sync.RWMutex
diff --git a/pkg/util/net/http.go b/pkg/util/net/http.go
index 1a7da23f..642d1590 100644
--- a/pkg/util/net/http.go
+++ b/pkg/util/net/http.go
@@ -24,21 +24,21 @@ import (
 	"github.com/fatedier/frp/pkg/util/util"
 )
 
-type HTTPAuthWraper struct {
+type HTTPAuthWrapper struct {
 	h      http.Handler
 	user   string
 	passwd string
 }
 
-func NewHTTPBasicAuthWraper(h http.Handler, user, passwd string) http.Handler {
-	return &HTTPAuthWraper{
+func NewHTTPBasicAuthWrapper(h http.Handler, user, passwd string) http.Handler {
+	return &HTTPAuthWrapper{
 		h:      h,
 		user:   user,
 		passwd: passwd,
 	}
 }
 
-func (aw *HTTPAuthWraper) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+func (aw *HTTPAuthWrapper) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	user, passwd, hasAuth := r.BasicAuth()
 	if (aw.user == "" && aw.passwd == "") || (hasAuth && user == aw.user && passwd == aw.passwd) {
 		aw.h.ServeHTTP(w, r)
@@ -83,11 +83,11 @@ func (authMid *HTTPAuthMiddleware) Middleware(next http.Handler) http.Handler {
 	})
 }
 
-type HTTPGzipWraper struct {
+type HTTPGzipWrapper struct {
 	h http.Handler
 }
 
-func (gw *HTTPGzipWraper) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+func (gw *HTTPGzipWrapper) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	if !strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") {
 		gw.h.ServeHTTP(w, r)
 		return
@@ -100,7 +100,7 @@ func (gw *HTTPGzipWraper) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 }
 
 func MakeHTTPGzipHandler(h http.Handler) http.Handler {
-	return &HTTPGzipWraper{
+	return &HTTPGzipWrapper{
 		h: h,
 	}
 }
diff --git a/pkg/util/version/version_test.go b/pkg/util/version/version_test.go
index 73b96a85..2b4077cf 100644
--- a/pkg/util/version/version_test.go
+++ b/pkg/util/version/version_test.go
@@ -47,7 +47,7 @@ func TestVersion(t *testing.T) {
 	proto := Proto(Full())
 	major := Major(Full())
 	minor := Minor(Full())
-	parseVerion := fmt.Sprintf("%d.%d.%d", proto, major, minor)
+	parseVersion := fmt.Sprintf("%d.%d.%d", proto, major, minor)
 	version := Full()
-	assert.Equal(parseVerion, version)
+	assert.Equal(parseVersion, version)
 }
diff --git a/pkg/util/vhost/http.go b/pkg/util/vhost/http.go
index 7b914ce9..1a5bea0b 100644
--- a/pkg/util/vhost/http.go
+++ b/pkg/util/vhost/http.go
@@ -188,7 +188,7 @@ func (rp *HTTPReverseProxy) CheckAuth(domain, location, routeByHTTPUser, user, p
 	return true
 }
 
-// getVhost trys to get vhost router by route policy.
+// getVhost tries to get vhost router by route policy.
 func (rp *HTTPReverseProxy) getVhost(domain, location, routeByHTTPUser string) (*Router, bool) {
 	findRouter := func(inDomain, inLocation, inRouteByHTTPUser string) (*Router, bool) {
 		vr, ok := rp.vhostRouter.Get(inDomain, inLocation, inRouteByHTTPUser)
diff --git a/server/service.go b/server/service.go
index 2629b345..7478b97b 100644
--- a/server/service.go
+++ b/server/service.go
@@ -543,7 +543,7 @@ func (svr *Service) RegisterControl(ctlConn net.Conn, loginMsg *msg.Login) error
 	if err != nil {
 		xl.Warn("create new controller error: %v", err)
 		// don't return detailed errors to client
-		return fmt.Errorf("unexpect error when creating new controller")
+		return fmt.Errorf("unexpected error when creating new controller")
 	}
 	if oldCtl := svr.ctlManager.Add(loginMsg.RunID, ctl); oldCtl != nil {
 		oldCtl.WaitClosed()
diff --git a/test/e2e/framework/framework.go b/test/e2e/framework/framework.go
index 6a7a655f..f8b8aa03 100644
--- a/test/e2e/framework/framework.go
+++ b/test/e2e/framework/framework.go
@@ -29,8 +29,8 @@ type Framework struct {
 	// ports used in this framework indexed by port name.
 	usedPorts map[string]int
 
-	// record ports alloced by this framework and release them after each test
-	allocedPorts []int
+	// record ports allocated by this framework and release them after each test
+	allocatedPorts []int
 
 	// portAllocator to alloc port for this test case.
 	portAllocator *port.Allocator
@@ -153,11 +153,11 @@ func (f *Framework) AfterEach() {
 	}
 	f.usedPorts = make(map[string]int)
 
-	// release alloced ports
-	for _, port := range f.allocedPorts {
+	// release allocated ports
+	for _, port := range f.allocatedPorts {
 		f.portAllocator.Release(port)
 	}
-	f.allocedPorts = make([]int, 0)
+	f.allocatedPorts = make([]int, 0)
 
 	// clear os envs
 	f.osEnvs = make([]string, 0)
@@ -237,7 +237,7 @@ func (f *Framework) PortByName(name string) int {
 func (f *Framework) AllocPort() int {
 	port := f.portAllocator.Get()
 	ExpectTrue(port > 0, "alloc port failed")
-	f.allocedPorts = append(f.allocedPorts, port)
+	f.allocatedPorts = append(f.allocatedPorts, port)
 	return port
 }
 
diff --git a/test/e2e/legacy/plugin/server.go b/test/e2e/legacy/plugin/server.go
index 3f14a42d..cf600be2 100644
--- a/test/e2e/legacy/plugin/server.go
+++ b/test/e2e/legacy/plugin/server.go
@@ -124,7 +124,7 @@ var _ = ginkgo.Describe("[Feature: Server-Plugins]", func() {
 			framework.NewRequestExpect(f).Port(remotePort).Ensure()
 		})
 
-		ginkgo.It("Mofify RemotePort", func() {
+		ginkgo.It("Modify RemotePort", func() {
 			localPort := f.AllocPort()
 			remotePort := f.AllocPort()
 			handler := func(req *plugin.Request) *plugin.Response {
diff --git a/test/e2e/v1/plugin/server.go b/test/e2e/v1/plugin/server.go
index 66456f57..b043c57f 100644
--- a/test/e2e/v1/plugin/server.go
+++ b/test/e2e/v1/plugin/server.go
@@ -129,7 +129,7 @@ var _ = ginkgo.Describe("[Feature: Server-Plugins]", func() {
 			framework.NewRequestExpect(f).Port(remotePort).Ensure()
 		})
 
-		ginkgo.It("Mofify RemotePort", func() {
+		ginkgo.It("Modify RemotePort", func() {
 			localPort := f.AllocPort()
 			remotePort := f.AllocPort()
 			handler := func(req *plugin.Request) *plugin.Response {