diff --git a/coded.go b/coded.go
index d400d91..6c2ddd4 100644
--- a/coded.go
+++ b/coded.go
@@ -188,19 +188,19 @@ const (
 	IllegalFormat Code = -25
 
 	// IllegalArgument is like InvalidArgument but applied on application.
-	IllegalArgument = -26
+	IllegalArgument Code = -26
 
 	// InitializationFailed is used for application start up unsuccessfully.
-	InitializationFailed = -27
+	InitializationFailed Code = -27
 
 	// DataUnavailable is used for the data fetching failed.
-	DataUnavailable = -28
+	DataUnavailable Code = -28
 
 	// UnsupportedOperation is like MethodNotAllowed but applied on application.
-	UnsupportedOperation = -29
+	UnsupportedOperation Code = -29
 
 	// UnsupportedVersion can be used for production continuously iteration.
-	UnsupportedVersion = -30
+	UnsupportedVersion Code = -30
 
 	// MinErrorCode is the lower bound for user-defined Code.
 	MinErrorCode Code = -1000
diff --git a/errors.go b/errors.go
index 05f810d..33e9187 100644
--- a/errors.go
+++ b/errors.go
@@ -48,6 +48,8 @@ func New(args ...interface{}) Error { //nolint:revive
 //
 //	var err1 = errors.New("message") // simple message
 //	var err1 = errors.New(errors.WithStack(cause)) // return Error object with Opt
+//
+// If no send any args as parameters, Code `UnsupportedOperation` returned.
 func NewLite(args ...interface{}) error { //nolint:revive
 	if len(args) > 0 {
 		if message, ok := args[0].(string); ok {
@@ -65,7 +67,7 @@ func NewLite(args ...interface{}) error { //nolint:revive
 		}
 		return s.Build()
 	}
-	return errors.ErrUnsupported
+	return UnsupportedOperation // errors.ErrUnsupported
 }
 
 // Opt _