diff --git a/__tests__/get-latest-version.test.ts b/__tests__/get-latest-version.test.ts
index bfb5225..fea6fc8 100644
--- a/__tests__/get-latest-version.test.ts
+++ b/__tests__/get-latest-version.test.ts
@@ -57,7 +57,6 @@ describe('getLatestVersion()', () => {
       .get(`/api/formula/${Tool.Repo}.json`)
       .reply(404);
 
-    // const versionLatest = await getLatestVersion(Tool.Org, Tool.Repo, 'brew');
     await expect(
       getLatestVersion(Tool.Org, Tool.Repo, 'brew')
     ).rejects.toThrowError(FetchError);
diff --git a/__tests__/main.test.ts b/__tests__/main.test.ts
index c8f8d8f..311d564 100644
--- a/__tests__/main.test.ts
+++ b/__tests__/main.test.ts
@@ -56,7 +56,8 @@ describe('showVersion()', () => {
   });
 
   test('return not found', async () => {
-    result = await main.showVersion('gitgit', ['--version']);
-    expect(result.exitcode).not.toBe(0);
+    await expect(
+      main.showVersion('gitgit', ['--version'])
+    ).rejects.toThrowError(Error);
   });
 });
diff --git a/src/main.ts b/src/main.ts
index 20dd72d..50c5170 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -26,11 +26,7 @@ export async function showVersion(
     }
   };
 
-  try {
-    result.exitcode = await exec.exec(cmd, args, options);
-  } catch (e) {
-    return e;
-  }
+  result.exitcode = await exec.exec(cmd, args, options);
   core.debug(`command: ${cmd} ${args}`);
   core.debug(`exit code: ${result.exitcode}`);
   core.debug(`stdout: ${result.output}`);