diff --git a/tools/getIssue.ts b/tools/getIssue.ts
index 706a7d4..df574f5 100644
--- a/tools/getIssue.ts
+++ b/tools/getIssue.ts
@@ -1,5 +1,6 @@
 #! /usr/bin/env deno run --allow-net --allow-env
 import {Issue} from "./githubType.ts";
+import {parse} from "https://deno.land/std@0.135.0/flags/mod.ts";
 
 /**
  * get issue from github
@@ -25,13 +26,17 @@ export async function getIssues(repo: string, token: string): Promise<Issue[]> {
 
 
 if (import.meta.main) {
-    const arg = Deno.args.length > 0 ? Deno.args[0] : undefined;
-    const token = arg ?? Deno.env.get("GITHUB_TOKEN");
+    const args = parse(Deno.args);
+    const token = args.token ?? Deno.env.get("GITHUB_TOKEN");
+    if(typeof token !== "string"){
+        console.error("invalid type: token must be string");
+        Deno.exit(1);
+    }
     if(!token) {
         console.error("GITHUB_TOKEN is not set");
         Deno.exit(1);
     }
     const issues = await getIssues("vi117/scrap-yard", token);
     issues.sort((a, b) => a.number - b.number);
-    console.log(issues.map(i => `# (${i.number}) ${i.title}\n${i.body}`).join("\n\n"));
+    console.log(JSON.stringify(issues,undefined,2));
 }
\ No newline at end of file