diff --git a/errs/code/scope.go b/errs/code/scope.go
index e406f99..f0ab2ea 100644
--- a/errs/code/scope.go
+++ b/errs/code/scope.go
@@ -12,4 +12,5 @@ const (
 	CloudEPFileStorage
 	CloudEPProduct
 	CloudEPSecKill
+	CloudEPCart
 )