diff --git a/resp/resp.go b/resp/resp.go
index c8e2890..a961dc6 100644
--- a/resp/resp.go
+++ b/resp/resp.go
@@ -3,6 +3,7 @@ package resp
 import (
 	"errors"
 	"github.com/gin-gonic/gin"
+	"github.com/spf13/cast"
 )
 
 type res struct {
@@ -53,6 +54,10 @@ func _r(c *gin.Context, r *res, args ...any) {
 		r.Data = args[1]
 	case 3:
 		r.Err = args[2]
+	case 4:
+		if code, err := cast.ToIntE(args[3]); err == nil {
+			r.Code = code
+		}
 	}
 
 	if r.Msg == "" {
diff --git a/tool/gin.go b/tool/gin.go
new file mode 100644
index 0000000..1a0ac00
--- /dev/null
+++ b/tool/gin.go
@@ -0,0 +1,12 @@
+package tool
+
+import "github.com/gin-gonic/gin"
+
+func Local(c *gin.Context, key string) any {
+	data, ok := c.Get(key)
+	if !ok {
+		return nil
+	}
+
+	return data
+}