diff --git a/package.json b/package.json
index 291a864..1d1b687 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,7 @@
       "@types/node-cron": "^2.0.3",
       "@types/uuid": "^8.0.0",
       "axios": "^0.19.2",
+      "delay": "^4.4.0",
       "koa": "^2.13.0",
       "koa-bodyparser": "^4.3.0",
       "koa-mount": "^4.0.0",
@@ -36,6 +37,7 @@
       "pg": "^8.3.0",
       "pug": "^3.0.0",
       "reflect-metadata": "^0.1.10",
+      "rndstr": "^1.0.0",
       "sass": "^1.26.10",
       "typeorm": "0.2.25",
       "typescript": "^3.9.7",
diff --git a/src/worker.ts b/src/worker.ts
index bd433cb..7659a2b 100644
--- a/src/worker.ts
+++ b/src/worker.ts
@@ -1,4 +1,6 @@
 import cron from 'node-cron';
+import delay from 'delay';
+
 import { Users } from './models';
 import { api } from './misskey';
 import { format } from './format';
@@ -13,13 +15,14 @@ export default (): void => {
 			try {
 				const text = await format(user);
                                 
-				const res = await api<any>(user.host, 'notes/create', {
+				const res = await api<Record<string, unknown>>(user.host, 'notes/create', {
 					text,
 					visibility: 'home'
 				}, user.token);
 				if (res.error) {
 					throw res.error;
 				}
+
 			} catch (e) {
 				if (e.code === 'NO_SUCH_USER' || e.code === 'AUTHENTICATION_FAILED') {
 					// ユーザーが削除されている場合、レコードからも消してとりやめ
@@ -28,6 +31,8 @@ export default (): void => {
 				} else {
 					console.error(e);
 				}
+			} finally {
+				await delay(3000);
 			}
 		}
 	});
diff --git a/yarn.lock b/yarn.lock
index f4aa6ba..0d7f19a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -894,6 +894,11 @@ define-properties@^1.1.2, define-properties@^1.1.3:
   dependencies:
     object-keys "^1.0.12"
 
+delay@^4.4.0:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/delay/-/delay-4.4.0.tgz#71abc745f3ce043fe7f450491236541edec4ad0c"
+  integrity sha512-txgOrJu3OdtOfTiEOT2e76dJVfG/1dz2NZ4F0Pyt4UGZJryssMRp5vdM5wQoLwSOBNdrJv3F9PAhp/heqd7vrA==
+
 delegates@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
@@ -2620,6 +2625,11 @@ qs@^6.5.2:
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.9.4.tgz#9090b290d1f91728d3c22e54843ca44aea5ab687"
   integrity sha512-A1kFqHekCTM7cz0udomYUoYNWjBebHm/5wzU/XqrBRBNWectVH0QIiN+NEcZ0Dte5hvzHwbr8+XQmguPhJ6WdQ==
 
+rangestr@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/rangestr/-/rangestr-0.0.1.tgz#f72ff9246f10f2a7d7c16e14616f617be2c2635a"
+  integrity sha1-9y/5JG8Q8qfXwW4UYW9he+LCY1o=
+
 raw-body@^2.3.3:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-2.4.1.tgz#30ac82f98bb5ae8c152e67149dac8d55153b168c"
@@ -2754,6 +2764,14 @@ rimraf@^3.0.2:
   dependencies:
     glob "^7.1.3"
 
+rndstr@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/rndstr/-/rndstr-1.0.0.tgz#77e66fa8f9b4836853fdd91e50719591bb67d349"
+  integrity sha1-d+ZvqPm0g2hT/dkeUHGVkbtn00k=
+  dependencies:
+    rangestr "0.0.1"
+    seedrandom "2.4.2"
+
 safe-buffer@5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
@@ -2781,6 +2799,11 @@ sax@>=0.6.0:
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
   integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
 
+seedrandom@2.4.2:
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/seedrandom/-/seedrandom-2.4.2.tgz#18d78c41287d13aff8eadb29e235938b248aa9ff"
+  integrity sha1-GNeMQSh9E6/46tsp4jWTiySKqf8=
+
 semver-diff@^3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/semver-diff/-/semver-diff-3.1.1.tgz#05f77ce59f325e00e2706afd67bb506ddb1ca32b"