diff --git a/server/wheelserver/model/user.go b/server/wheelserver/model/user.go
index d7f4a83a..48ecf405 100644
--- a/server/wheelserver/model/user.go
+++ b/server/wheelserver/model/user.go
@@ -53,6 +53,9 @@ func (this *User) Create() error {
 }
 
 func (this *User) DecDice(num int32) error {
+	if this.Score < int64(num) {
+		return errors.New("")
+	}
 	return nil
 }