diff --git a/bot/basic/info.go b/bot/basic/info.go
index 3a1b4bc..d6347b7 100644
--- a/bot/basic/info.go
+++ b/bot/basic/info.go
@@ -3,10 +3,9 @@ package basic
 import (
 	"unsafe"
 
-	"github.com/Tnze/go-mc/registry"
-
 	"github.com/Tnze/go-mc/data/packetid"
 	pk "github.com/Tnze/go-mc/net/packet"
+	"github.com/Tnze/go-mc/registry"
 )
 
 // WorldInfo content player info in server.
diff --git a/chat/decoration.go b/chat/decoration.go
index da1df15..8f2a436 100644
--- a/chat/decoration.go
+++ b/chat/decoration.go
@@ -10,15 +10,15 @@ type Decoration struct {
 	TranslationKey string   `nbt:"translation_key"`
 	Parameters     []string `nbt:"parameters"`
 	Style          struct {
-		Bold          bool   `nbt:"bold"`
-		Italic        bool   `nbt:"italic"`
-		UnderLined    bool   `nbt:"underlined"`
-		StrikeThrough bool   `nbt:"strikethrough"`
-		Obfuscated    bool   `nbt:"obfuscated"`
-		Color         string `nbt:"color"`
-		Insertion     string `nbt:"insertion"`
-		Font          string `nbt:"font"`
-	} `nbt:"style"`
+		Bold          bool   `nbt:"bold,omitempty"`
+		Italic        bool   `nbt:"italic,omitempty"`
+		UnderLined    bool   `nbt:"underlined,omitempty"`
+		StrikeThrough bool   `nbt:"strikethrough,omitempty"`
+		Obfuscated    bool   `nbt:"obfuscated,omitempty"`
+		Color         string `nbt:"color,omitempty"`
+		Insertion     string `nbt:"insertion,omitempty"`
+		Font          string `nbt:"font,omitempty"`
+	} `nbt:"style,omitempty"`
 }
 
 type Type struct {
diff --git a/examples/daze/daze.go b/examples/daze/daze.go
index 1efea60..4c00557 100644
--- a/examples/daze/daze.go
+++ b/examples/daze/daze.go
@@ -22,7 +22,7 @@ import (
 )
 
 var (
-	address     = flag.String("address", "127.0.0.1:25566", "The server address")
+	address     = flag.String("address", "127.0.0.1:25565", "The server address")
 	name        = flag.String("name", "Daze", "The player's name")
 	playerID    = flag.String("uuid", "", "The player's UUID")
 	accessToken = flag.String("token", "", "AccessToken")
diff --git a/nbt/snbt_scanner.go b/nbt/snbt_scanner.go
index 4ddafa2..392b34e 100644
--- a/nbt/snbt_scanner.go
+++ b/nbt/snbt_scanner.go
@@ -83,7 +83,7 @@ func (s *scanner) eof() int {
 		return scanEnd
 	}
 	if s.errContext == "" {
-		s.errContext = "unexpected end of JSON input"
+		s.errContext = "unexpected end of SNBT input"
 	}
 	return scanError
 }