diff --git a/app/git.js b/app/git.js
index 7727d93..07a4d54 100644
--- a/app/git.js
+++ b/app/git.js
@@ -18,6 +18,7 @@ export async function commitAndPush(workspace) {
     const commitHash = result.commit?.sha?.slice(0, 7) || 'unknown';
     console.log(`  ✅ persisted findings  commit=${commitHash}  push=${process.env.PR_HEAD_BRANCH}`);
   } catch (e) {
-    console.log(`  ⚠️  Runner failed: commit/push 失敗: ${e.message}`);
+    const detail = e.response?.data ? JSON.stringify(e.response.data) : e.message;
+    console.log(`  ⚠️  Runner failed: commit/push 失敗: ${e.response?.status || ''} ${detail}`);
   }
 }