diff --git a/back/services/user.ts b/back/services/user.ts
index 9f3a7448..2b608f60 100644
--- a/back/services/user.ts
+++ b/back/services/user.ts
@@ -228,6 +228,9 @@ export default class UserService {
     username: string;
     password: string;
   }) {
+    if (password === 'admin') {
+      return { code: 400, message: '密码不能设置为admin' };
+    }
     const authInfo = this.getAuthInfo();
     this.updateAuthInfo(authInfo, { username, password });
     return { code: 200, message: '更新成功' };
diff --git a/src/pages/initialization/index.tsx b/src/pages/initialization/index.tsx
index 9e060dfd..fce2e8e9 100644
--- a/src/pages/initialization/index.tsx
+++ b/src/pages/initialization/index.tsx
@@ -153,7 +153,13 @@ const Initialization = () => {
           <Form.Item
             label="密码"
             name="password"
-            rules={[{ required: true }]}
+            rules={[
+              { required: true },
+              {
+                pattern: /^(?!admin$).*$/,
+                message: '密码不能为admin',
+              },
+            ]}
             hasFeedback
             style={{ maxWidth: 350 }}
           >
@@ -190,7 +196,7 @@ const Initialization = () => {
     {
       title: '完成安装',
       content: (
-        <div className={styles.top} style={{ marginTop: 100 }}>
+        <div className={styles.top} style={{ marginTop: 80 }}>
           <div className={styles.header}>
             <span className={styles.title}>恭喜安装完成！</span>
             <Link href="https://github.com/whyour/qinglong" target="_blank">
diff --git a/src/pages/setting/security.tsx b/src/pages/setting/security.tsx
index 84445142..a89c4d9e 100644
--- a/src/pages/setting/security.tsx
+++ b/src/pages/setting/security.tsx
@@ -175,7 +175,13 @@ const SecuritySettings = ({ user, userChange }: any) => {
         <Form.Item
           label="密码"
           name="password"
-          rules={[{ required: true }]}
+          rules={[
+            { required: true },
+            {
+              pattern: /^(?!admin$).*$/,
+              message: '密码不能为admin',
+            },
+          ]}
           hasFeedback
           style={{ maxWidth: 300 }}
         >