diff --git a/single-scripts/commit.ts b/single-scripts/commit.ts
index 8e1e38a..52e2fdc 100755
--- a/single-scripts/commit.ts
+++ b/single-scripts/commit.ts
@@ -66,8 +66,14 @@ async function main() {
     }
     log.info("Git status:", gitStatus);
 
-    const summary = await summarize();
-    log.success(`Git commit message: ${summary}`);
+    const summary = await new ProcessBar("AI summarizing").call(
+        async (): Promise<string> => {
+            return await summarize();
+        },
+    );
+    if (summary != null) {
+        log.success(`AI summarized git commit message: ${summary}`);
+    }
 
     let emptyCount = 0;
     let message = "empty message";
@@ -82,7 +88,7 @@ async function main() {
             "Input your commit message (Enter for AI summary) > ",
         );
         if (message.trim().length == 0) {
-            message = summary;
+            message = summary ?? "";
         }
     } while (message.length == 0);
     readline.close();
@@ -122,5 +128,5 @@ main().catch((err) => {
     process.exit(0);
 }).then(() => process.exit(0));
 
-// @SCRIPT-SIGNATURE-V1: yk-r1.ES256.20260404T225757+08:00.MEUCIQCp3myuHQTK17ZHS3zW
-// Z7Wg/+Mgd0CasaV+FX34BHFB9gIgG8qRbLKxD1PD4jMrkGVucgT91xU1JLIwfVM6xwxh1Os=
+// @SCRIPT-SIGNATURE-V1: yk-r1.ES256.20260404T230316+08:00.MEYCIQDPcT9WH0J7pH4eZ+3v
+// eShmOZRyUpCu268LAvn08Y5AoQIhAK+zj3K5SuBmtRrz+6TpIZPv/C8L8VSj8FsdhZdMn8rL