diff --git a/encoding/gjson/gjson_stdlib_json_util.go b/encoding/gjson/gjson_stdlib_json_util.go
index a51264e99..7ce04b81d 100644
--- a/encoding/gjson/gjson_stdlib_json_util.go
+++ b/encoding/gjson/gjson_stdlib_json_util.go
@@ -9,6 +9,7 @@ package gjson
 import (
 	"bytes"
 
+	"github.com/gogf/gf/v2/errors/gerror"
 	"github.com/gogf/gf/v2/internal/json"
 	"github.com/gogf/gf/v2/util/gconv"
 )
@@ -75,7 +76,7 @@ func Decode(data interface{}, options ...Options) (interface{}, error) {
 // DecodeTo decodes json format `data` to specified golang variable `v`.
 // The parameter `data` can be either bytes or string type.
 // The parameter `v` should be a pointer type.
-func DecodeTo(data interface{}, v interface{}, options ...Options) error {
+func DecodeTo(data interface{}, v interface{}, options ...Options) (err error) {
 	decoder := json.NewDecoder(bytes.NewReader(gconv.Bytes(data)))
 	if len(options) > 0 {
 		// The StrNumber option is for certain situations, not for all.
@@ -84,7 +85,10 @@ func DecodeTo(data interface{}, v interface{}, options ...Options) error {
 			decoder.UseNumber()
 		}
 	}
-	return decoder.Decode(v)
+	if err = decoder.Decode(v); err != nil {
+		err = gerror.Wrap(err, `json Decode failed`)
+	}
+	return
 }
 
 // DecodeToJson codes json format `data` to a Json object.
diff --git a/net/gtcp/gtcp_func.go b/net/gtcp/gtcp_func.go
index 1c499bd53..c6f5f6165 100644
--- a/net/gtcp/gtcp_func.go
+++ b/net/gtcp/gtcp_func.go
@@ -30,13 +30,20 @@ type Retry struct {
 // NewNetConn creates and returns a net.Conn with given address like "127.0.0.1:80".
 // The optional parameter `timeout` specifies the timeout for dialing connection.
 func NewNetConn(address string, timeout ...time.Duration) (net.Conn, error) {
-	duration := defaultConnTimeout
+	var (
+		network  = `tcp`
+		duration = defaultConnTimeout
+	)
 	if len(timeout) > 0 {
 		duration = timeout[0]
 	}
-	conn, err := net.DialTimeout("tcp", address, duration)
+	conn, err := net.DialTimeout(network, address, duration)
 	if err != nil {
-		err = gerror.Wrapf(err, `net.DialTimeout failed with address "%s", timeout "%s"`, address, duration)
+		err = gerror.Wrapf(
+			err,
+			`net.DialTimeout failed with network "%s", address "%s", timeout "%s"`,
+			network, address, duration,
+		)
 	}
 	return conn, err
 }
@@ -44,15 +51,22 @@ func NewNetConn(address string, timeout ...time.Duration) (net.Conn, error) {
 // NewNetConnTLS creates and returns a TLS net.Conn with given address like "127.0.0.1:80".
 // The optional parameter `timeout` specifies the timeout for dialing connection.
 func NewNetConnTLS(address string, tlsConfig *tls.Config, timeout ...time.Duration) (net.Conn, error) {
-	dialer := &net.Dialer{
-		Timeout: defaultConnTimeout,
-	}
+	var (
+		network = `tcp`
+		dialer  = &net.Dialer{
+			Timeout: defaultConnTimeout,
+		}
+	)
 	if len(timeout) > 0 {
 		dialer.Timeout = timeout[0]
 	}
-	conn, err := tls.DialWithDialer(dialer, "tcp", address, tlsConfig)
+	conn, err := tls.DialWithDialer(dialer, network, address, tlsConfig)
 	if err != nil {
-		err = gerror.Wrapf(err, `tls.DialWithDialer failed with address "%s"`, address)
+		err = gerror.Wrapf(
+			err,
+			`tls.DialWithDialer failed with network "%s", address "%s", timeout "%s", tlsConfig "%v"`,
+			network, address, dialer.Timeout, tlsConfig,
+		)
 	}
 	return conn, err
 }
@@ -138,8 +152,10 @@ func LoadKeyCrt(crtFile, keyFile string) (*tls.Config, error) {
 	}
 	crt, err := tls.LoadX509KeyPair(crtPath, keyPath)
 	if err != nil {
-		err = gerror.Wrapf(err, `tls.LoadX509KeyPair failed for certFile "%s" and keyFile "%s"`, crtPath, keyPath)
-		return nil, err
+		return nil, gerror.Wrapf(err,
+			`tls.LoadX509KeyPair failed for certFile "%s" and keyFile "%s"`,
+			crtPath, keyPath,
+		)
 	}
 	tlsConfig := &tls.Config{}
 	tlsConfig.Certificates = []tls.Certificate{crt}
diff --git a/net/gudp/gudp_func.go b/net/gudp/gudp_func.go
index c370b074d..07cd5c8fe 100644
--- a/net/gudp/gudp_func.go
+++ b/net/gudp/gudp_func.go
@@ -18,23 +18,33 @@ func NewNetConn(remoteAddress string, localAddress ...string) (*net.UDPConn, err
 		err        error
 		remoteAddr *net.UDPAddr
 		localAddr  *net.UDPAddr
+		network    = `udp`
 	)
-	remoteAddr, err = net.ResolveUDPAddr("udp", remoteAddress)
+	remoteAddr, err = net.ResolveUDPAddr(network, remoteAddress)
 	if err != nil {
-		err = gerror.Wrapf(err, `net.ResolveUDPAddr failed for address "%s"`, remoteAddress)
-		return nil, err
+		return nil, gerror.Wrapf(
+			err,
+			`net.ResolveUDPAddr failed for network "%s", address "%s"`,
+			network, remoteAddress,
+		)
 	}
 	if len(localAddress) > 0 {
-		localAddr, err = net.ResolveUDPAddr("udp", localAddress[0])
+		localAddr, err = net.ResolveUDPAddr(network, localAddress[0])
 		if err != nil {
-			err = gerror.Wrapf(err, `net.ResolveUDPAddr failed for address "%s"`, localAddress[0])
-			return nil, err
+			return nil, gerror.Wrapf(
+				err,
+				`net.ResolveUDPAddr failed for network "%s", address "%s"`,
+				network, localAddress[0],
+			)
 		}
 	}
-	conn, err := net.DialUDP("udp", localAddr, remoteAddr)
+	conn, err := net.DialUDP(network, localAddr, remoteAddr)
 	if err != nil {
-		err = gerror.Wrapf(err, `net.DialUDP failed for local "%s", remote "%s"`, localAddr.String(), remoteAddr.String())
-		return nil, err
+		return nil, gerror.Wrapf(
+			err,
+			`net.DialUDP failed for network "%s", local "%s", remote "%s"`,
+			network, localAddr.String(), remoteAddr.String(),
+		)
 	}
 	return conn, nil
 }