diff --git a/workflows/u/akiracraftwork/hourly_chime__flow/flow.yaml b/workflows/u/akiracraftwork/hourly_chime__flow/flow.yaml
index d896467..d9768c5 100644
--- a/workflows/u/akiracraftwork/hourly_chime__flow/flow.yaml
+++ b/workflows/u/akiracraftwork/hourly_chime__flow/flow.yaml
@@ -1,5 +1,5 @@
 summary: 鳩時計機能
-description: ''
+description: 毎正時にAlexaで時刻を読み上げる。失敗時はLINEで通知。
 value:
   modules:
     - id: a
@@ -18,6 +18,69 @@ value:
             value: です
         lock: '!inline a.lock'
         language: bun
+  failure_module:
+    id: failure
+    summary: エラー時LINE通知
+    value:
+      type: rawscript
+      content: |
+        import * as wmill from "windmill-client";
+
+        export async function main() {
+          const token = await wmill.getVariable("u/admin/LINE_CHANNEL_ACCESS_TOKEN");
+          const to = await wmill.getVariable("u/admin/LINE_TO");
+
+          const message = [
+            "\u26a0\ufe0f \u9ce9\u6642\u8a08\u30a8\u30e9\u30fc",
+            "",
+            "Alexa TTS API \u304c\u5931\u6557\u3057\u307e\u3057\u305f\u3002",
+            "Cookie\u306e\u671f\u9650\u5207\u308c\u306e\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002",
+            "",
+            "\u5bfe\u51e6: auth4.js \u3067 Cookie \u3092\u518d\u53d6\u5f97\u3057\u3066\u304f\u3060\u3055\u3044\u3002"
+          ].join("\n");
+
+          const res = await fetch("https://api.line.me/v2/bot/message/push", {
+            method: "POST",
+            headers: {
+              "Authorization": `Bearer ${token}`,
+              "Content-Type": "application/json",
+            },
+            body: JSON.stringify({
+              to: to,
+              messages: [{ type: "text", text: message }],
+            }),
+          });
+
+          if (!res.ok) {
+            const body = await res.text();
+            throw new Error(`LINE API error ${res.status}: ${body}`);
+          }
+
+          return { notified: true };
+        }
+      input_transforms: {}
+      lock: |
+        {
+          "dependencies": {
+            "windmill-client": "latest"
+          }
+        }
+        //bun.lock
+        {
+          "lockfileVersion": 1,
+          "configVersion": 1,
+          "workspaces": {
+            "": {
+              "dependencies": {
+                "windmill-client": "latest",
+              },
+            },
+          },
+          "packages": {
+            "windmill-client": ["windmill-client@1.661.0", "", {}, "sha512-vEosrP1NKVHJMi6gEnKnvd3QrNeoy0W0PYqAIIKvg0B4K4ejpw9zbvrytVvoSb7XC3Fb9PzYdvGFqdfaVCCTvg=="],
+          }
+        }
+      language: bun
 schema:
   $schema: 'https://json-schema.org/draft/2020-12/schema'
   type: object