diff --git a/src/components/CommandRunResult.vue b/src/components/CommandRunResult.vue
index 1a5f0c0..58bc942 100644
--- a/src/components/CommandRunResult.vue
+++ b/src/components/CommandRunResult.vue
@@ -113,8 +113,8 @@ export default {
           currentCommand.program === "custom"
             ? currentCommand.customOptions
             : this.$root.programs[currentCommand.program];
-        option.scptarg = currentCommand.scptarg;
-        option.charset = currentCommand.charset;
+        option.scptarg = currentCommand.scptarg || "";
+        option.charset = currentCommand.charset || {};
         window.runCodeFile(
           currentCommand.cmd,
           option,