diff --git a/platformapi/mtwmapi/callback.go b/platformapi/mtwmapi/callback.go
index 4f9e8577..0dd12549 100644
--- a/platformapi/mtwmapi/callback.go
+++ b/platformapi/mtwmapi/callback.go
@@ -16,7 +16,7 @@ const (
 	MsgTypeOrderAccepted          = "orderAccepted"
 	MsgTypeOrderFinished          = "orderFinished"
 	MsgTypeOrderFinancial         = "orderFinancial"
-	MsgTypeOrderCanceled          = "orderCancled"
+	MsgTypeOrderCanceled          = "orderCanceled"
 	MsgTypeUserUrgeOrder          = "userUrgeOrder"
 	MsgTypePrivateNumberDowngrade = "numberDowngrade"
 	MsgTypeOrderModified          = "orderModified"