diff --git a/CHANGELOG.md b/CHANGELOG.md
index 90edaf76..ab4fc5c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,9 @@
 
 # main(v0.8.2)
 
-- feat: |Doc| 修复文档中的一些错误
+- fix: |Doc| 修复文档中的一些错误
+- fix: |Github Action| 修复 frontend 部署分支错误的问题
+- fix: admin 发送邮件功能
 
 # v0.8.2
 
diff --git a/frontend/src/views/Admin.vue b/frontend/src/views/Admin.vue
index 0b14af7f..e97c61cb 100644
--- a/frontend/src/views/Admin.vue
+++ b/frontend/src/views/Admin.vue
@@ -23,6 +23,7 @@ import Telegram from './admin/Telegram.vue';
 import Webhook from './admin/Webhook.vue';
 import MailWebhook from './admin/MailWebhook.vue';
 import WorkerConfig from './admin/WorkerConfig.vue';
+import SendMail from './admin/SendMail.vue';
 
 const {
   adminAuth, showAdminAuth, adminTab, loading,
@@ -45,6 +46,7 @@ const { t } = useI18n({
       accessHeader: 'Admin Password',
       accessTip: 'Please enter the admin password',
       mails: 'Emails',
+      sendMail: 'Send Mail',
       qucickSetup: 'Quick Setup',
       account: 'Account',
       account_create: 'Create Account',
@@ -70,6 +72,7 @@ const { t } = useI18n({
       accessHeader: 'Admin 密码',
       accessTip: '请输入 Admin 密码',
       mails: '邮件',
+      sendMail: '发送邮件',
       qucickSetup: '快速设置',
       account: '账号',
       account_create: '创建账号',
@@ -172,6 +175,9 @@ onMounted(async () => {
           <n-tab-pane name="sendBox" :tab="t('sendBox')">
             <SendBox />
           </n-tab-pane>
+          <n-tab-pane name="sendMail" :tab="t('sendMail')">
+            <SendMail />
+          </n-tab-pane>
           <n-tab-pane name="mailWebhook" :tab="t('mailWebhook')">
             <MailWebhook />
           </n-tab-pane>
diff --git a/frontend/src/views/admin/SendMail.vue b/frontend/src/views/admin/SendMail.vue
new file mode 100644
index 00000000..d9c59ca9
--- /dev/null
+++ b/frontend/src/views/admin/SendMail.vue
@@ -0,0 +1,199 @@
+<script setup>
+import '@wangeditor/editor/dist/css/style.css'
+import { Editor, Toolbar } from '@wangeditor/editor-for-vue'
+import { useI18n } from 'vue-i18n'
+import { onBeforeUnmount, ref, shallowRef } from 'vue'
+import { useSessionStorage } from '@vueuse/core'
+import { api } from '../../api'
+
+const message = useMessage()
+const isPreview = ref(false)
+const editorRef = shallowRef()
+
+const sendMailModel = useSessionStorage('sendMailByAdminModel', {
+    fromName: "",
+    fromMail: "",
+    toName: "",
+    toMail: "",
+    subject: "",
+    contentType: 'text',
+    content: "",
+});
+
+const { t } = useI18n({
+    locale: 'zh',
+    messages: {
+        en: {
+            successSend: 'Please check your sendbox. If failed, please try again later.',
+            fromName: 'Your Name and Address, leave Name blank to use email address',
+            toName: 'Recipient Name and Address, leave Name blank to use email address',
+            subject: 'Subject',
+            options: 'Options',
+            edit: 'Edit',
+            preview: 'Preview',
+            content: 'Content',
+            send: 'Send',
+            text: 'Text',
+            html: 'HTML',
+            'rich text': 'Rich Text',
+            tooLarge: 'Too large file, please upload file less than 1MB.',
+        },
+        zh: {
+            successSend: '请查看您的发件箱, 如果失败, 请检查稍后重试。',
+            fromName: '你的名称和地址，名称不填写则使用邮箱地址',
+            toName: '收件人名称和地址，名称不填写则使用邮箱地址',
+            subject: '主题',
+            options: '选项',
+            edit: '编辑',
+            preview: '预览',
+            content: '内容',
+            send: '发送',
+            text: '文本',
+            html: 'HTML',
+            'rich text': '富文本',
+            tooLarge: '文件过大, 请上传小于1MB的文件。',
+        }
+    }
+});
+
+const contentTypes = [
+    { label: t('text'), value: 'text' },
+    { label: t('html'), value: 'html' },
+    { label: t('rich text'), value: 'rich' },
+]
+
+const send = async () => {
+    try {
+        await api.fetch(`/admin/send_mail`,
+            {
+                method: 'POST',
+                body:
+                    JSON.stringify({
+                        from_name: sendMailModel.value.fromName,
+                        from_mail: sendMailModel.value.fromMail,
+                        to_name: sendMailModel.value.toName,
+                        to_mail: sendMailModel.value.toMail,
+                        subject: sendMailModel.value.subject,
+                        is_html: sendMailModel.value.contentType != 'text',
+                        content: sendMailModel.value.content,
+                    })
+            })
+        sendMailModel.value = {
+            fromName: "",
+            fromMail: "",
+            toName: "",
+            toMail: "",
+            subject: "",
+            contentType: 'text',
+            content: "",
+        }
+    } catch (error) {
+        message.error(error.message || "error");
+    } finally {
+        message.success(t("successSend"));
+    }
+}
+
+const toolbarConfig = {
+    excludeKeys: ["uploadVideo"]
+}
+
+const editorConfig = {
+    MENU_CONF: {
+        'uploadImage': {
+            async customUpload() {
+                message.error(t('tooLarge'))
+            },
+            maxFileSize: 1 * 1024 * 1024,
+            base64LimitSize: 1 * 1024 * 1024,
+        }
+    }
+}
+
+onBeforeUnmount(() => {
+    const editor = editorRef.value
+    if (editor == null) return
+    editor.destroy()
+})
+
+const handleCreated = (editor) => {
+    editorRef.value = editor;
+}
+</script>
+
+<template>
+    <div class="center">
+        <n-card :bordered="false" embedded>
+            <n-flex justify="end">
+                <n-button type="primary" @click="send">{{ t('send') }}</n-button>
+            </n-flex>
+            <div class="left">
+                <n-form :model="sendMailModel">
+                    <n-form-item :label="t('fromName')" label-placement="top">
+                        <n-input-group>
+                            <n-input v-model:value="sendMailModel.fromName" />
+                            <n-input v-model:value="sendMailModel.fromMail" />
+                        </n-input-group>
+                    </n-form-item>
+                    <n-form-item :label="t('toName')" label-placement="top">
+                        <n-input-group>
+                            <n-input v-model:value="sendMailModel.toName" />
+                            <n-input v-model:value="sendMailModel.toMail" />
+                        </n-input-group>
+                    </n-form-item>
+                    <n-form-item :label="t('subject')" label-placement="top">
+                        <n-input v-model:value="sendMailModel.subject" />
+                    </n-form-item>
+                    <n-form-item :label="t('options')" label-placement="top">
+                        <n-radio-group v-model:value="sendMailModel.contentType">
+                            <n-radio-button v-for="option in contentTypes" :key="option.value" :value="option.value"
+                                :label="option.label" />
+                        </n-radio-group>
+                        <n-button v-if="sendMailModel.contentType != 'text'" @click="isPreview = !isPreview"
+                            style="margin-left: 10px;">
+                            {{ isPreview ? t('edit') : t('preview') }}
+                        </n-button>
+                    </n-form-item>
+                    <n-form-item :label="t('content')" label-placement="top">
+                        <n-card :bordered="false" embedded v-if="isPreview">
+                            <div v-html="sendMailModel.content" />
+                        </n-card>
+                        <div v-else-if="sendMailModel.contentType == 'rich'" style="border: 1px solid #ccc">
+                            <Toolbar style="border-bottom: 1px solid #ccc" :defaultConfig="toolbarConfig"
+                                :editor="editorRef" mode="default" />
+                            <Editor style="height: 500px; overflow-y: hidden;" v-model="sendMailModel.content"
+                                :defaultConfig="editorConfig" mode="default" @onCreated="handleCreated" />
+                        </div>
+                        <n-input v-else type="textarea" v-model:value="sendMailModel.content" :autosize="{
+                            minRows: 3
+                        }" />
+                    </n-form-item>
+                </n-form>
+            </div>
+        </n-card>
+    </div>
+</template>
+
+<style scoped>
+.n-card {
+    max-width: 800px;
+}
+
+.n-button {
+    text-align: left;
+    margin-right: 10px;
+}
+
+.center {
+    display: flex;
+    text-align: center;
+    place-items: center;
+    justify-content: center;
+}
+
+.left {
+    text-align: left;
+    place-items: left;
+    justify-content: left;
+}
+</style>
diff --git a/worker/src/admin_api/index.ts b/worker/src/admin_api/index.ts
index efaa16da..1ee7f952 100644
--- a/worker/src/admin_api/index.ts
+++ b/worker/src/admin_api/index.ts
@@ -11,6 +11,7 @@ import webhook_settings from './webhook_settings'
 import mail_webhook_settings from './mail_webhook_settings'
 import oauth2_settings from './oauth2_settings'
 import worker_config from './worker_config'
+import { sendMailbyAdmin } from './send_mail'
 
 export const api = new Hono<HonoCustomType>()
 
@@ -330,3 +331,6 @@ api.post("/admin/mail_webhook/test", mail_webhook_settings.testWebhookSettings);
 
 // worker config
 api.get("/admin/worker/configs", worker_config.getConfig);
+
+// send mail by admin
+api.post("/admin/send_mail", sendMailbyAdmin);
diff --git a/worker/src/admin_api/send_mail.ts b/worker/src/admin_api/send_mail.ts
new file mode 100644
index 00000000..d430361d
--- /dev/null
+++ b/worker/src/admin_api/send_mail.ts
@@ -0,0 +1,22 @@
+import { Context } from "hono";
+import { HonoCustomType } from "../types";
+import { sendMail } from "../mails_api/send_mail_api";
+
+export const sendMailbyAdmin = async (c: Context<HonoCustomType>) => {
+    const {
+        from_name, from_mail,
+        to_mail, to_name,
+        subject, content, is_html
+    } = await c.req.json();
+    await sendMail(c, from_mail, {
+        from_name: from_name,
+        to_name: to_name,
+        to_mail: to_mail,
+        subject: subject,
+        content: content,
+        is_html: is_html,
+    }, {
+        isAdmin: true
+    })
+    return c.json({ status: "ok" });
+}
diff --git a/worker/src/mails_api/send_mail_api.ts b/worker/src/mails_api/send_mail_api.ts
index 9ba2bf64..463a0f3f 100644
--- a/worker/src/mails_api/send_mail_api.ts
+++ b/worker/src/mails_api/send_mail_api.ts
@@ -94,6 +94,9 @@ export const sendMail = async (
     reqJson: {
         from_name: string, to_mail: string, to_name: string,
         subject: string, content: string, is_html: boolean
+    },
+    options?: {
+        isAdmin?: boolean
     }
 ): Promise<void> => {
     if (!address) {
@@ -107,7 +110,7 @@ export const sendMail = async (
     }
     const user_role = c.get("userRolePayload");
     const is_no_limit_send_balance = user_role && user_role === getStringValue(c.env.NO_LIMIT_SEND_ROLE);
-    if (!is_no_limit_send_balance) {
+    if (!is_no_limit_send_balance && !options?.isAdmin) {
         // check permission
         const balance = await c.env.DB.prepare(
             `SELECT balance FROM address_sender
@@ -158,7 +161,7 @@ export const sendMail = async (
         throw new Error("Please enable resend or verified address list")
     }
     // update balance
-    if (!sendByVerifiedAddressList && !is_no_limit_send_balance) {
+    if (!sendByVerifiedAddressList && !is_no_limit_send_balance && !options?.isAdmin) {
         try {
             const { success } = await c.env.DB.prepare(
                 `UPDATE address_sender SET balance = balance - 1 where address = ?`
diff --git a/worker/src/user_api/oauth2.ts b/worker/src/user_api/oauth2.ts
index d0b0705a..7ff1c779 100644
--- a/worker/src/user_api/oauth2.ts
+++ b/worker/src/user_api/oauth2.ts
@@ -94,8 +94,8 @@ export default {
         const jwt = await Jwt.sign({
             user_email: email,
             user_id: user_id,
-            // 30 days expire in seconds
-            exp: Math.floor(Date.now() / 1000) + 30 * 24 * 60 * 60,
+            // 90 days expire in seconds
+            exp: Math.floor(Date.now() / 1000) + 90 * 24 * 60 * 60,
             iat: Math.floor(Date.now() / 1000),
         }, c.env.JWT_SECRET, "HS256")
         return c.json({
diff --git a/worker/src/user_api/passkey.ts b/worker/src/user_api/passkey.ts
index fad6d79f..dd9b81b4 100644
--- a/worker/src/user_api/passkey.ts
+++ b/worker/src/user_api/passkey.ts
@@ -193,8 +193,8 @@ export default {
         const jwt = await Jwt.sign({
             user_email: user_email,
             user_id: user_id,
-            // 30 days expire in seconds
-            exp: Math.floor(Date.now() / 1000) + 30 * 24 * 60 * 60,
+            // 90 days expire in seconds
+            exp: Math.floor(Date.now() / 1000) + 90 * 24 * 60 * 60,
             iat: Math.floor(Date.now() / 1000),
         }, c.env.JWT_SECRET, "HS256")
         return c.json({
diff --git a/worker/src/user_api/user.ts b/worker/src/user_api/user.ts
index cf27df32..39df68b6 100644
--- a/worker/src/user_api/user.ts
+++ b/worker/src/user_api/user.ts
@@ -165,8 +165,8 @@ export default {
         const jwt = await Jwt.sign({
             user_email: email,
             user_id: user_id,
-            // 30 days expire in seconds
-            exp: Math.floor(Date.now() / 1000) + 30 * 24 * 60 * 60,
+            // 90 days expire in seconds
+            exp: Math.floor(Date.now() / 1000) + 90 * 24 * 60 * 60,
             iat: Math.floor(Date.now() / 1000),
         }, c.env.JWT_SECRET, "HS256")
         return c.json({