diff --git a/pkg/errors/errors.go b/pkg/errors/errors.go
index c911c67..682bfd6 100644
--- a/pkg/errors/errors.go
+++ b/pkg/errors/errors.go
@@ -1,11 +1,11 @@
 package error
 
 import (
-	"code.30cm.net/wanderland/library-go/pkg/errors/code"
 	"errors"
 	"fmt"
 	"net/http"
 
+	"code.30cm.net/wanderland/library-go/pkg/errors/code"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )
@@ -194,3 +194,25 @@ func (e *Err) GRPCStatus() *status.Status {
 
 	return status.New(codes.Code(e.FullCode()), e.Error())
 }
+
+// 工廠函數
+
+// NewErr 創建新的 Err
+func NewErr(scope, category, detail uint32, msg string) *Err {
+	return &Err{
+		category: category,
+		code:     detail,
+		scope:    scope,
+		msg:      msg,
+	}
+}
+
+// NewGRPCErr 創建新的 gRPC Err
+func NewGRPCErr(scope, detail uint32, msg string) *Err {
+	return &Err{
+		category: code.CatGRPC,
+		code:     detail,
+		scope:    scope,
+		msg:      msg,
+	}
+}