diff --git a/frontend/src/views/admin/Maintenance.vue b/frontend/src/views/admin/Maintenance.vue
index 6a1f0339..71a4762b 100644
--- a/frontend/src/views/admin/Maintenance.vue
+++ b/frontend/src/views/admin/Maintenance.vue
@@ -1,10 +1,12 @@
 <script setup>
 import { ref, onMounted } from 'vue';
 import { useI18n } from 'vue-i18n'
-import { CleaningServicesFilled } from '@vicons/material'
+import { CleaningServicesFilled, AddFilled, DeleteFilled } from '@vicons/material'
 
+import { useGlobalState } from '../../store'
 import { api } from '../../api'
 
+const { loading } = useGlobalState()
 const message = useMessage()
 const cleanupModel = ref({
     enableMailsAutoCleanup: false,
@@ -21,6 +23,7 @@ const cleanupModel = ref({
     cleanUnboundAddressDays: 30,
     enableEmptyAddressAutoCleanup: false,
     cleanEmptyAddressDays: 30,
+    customSqlCleanupList: []
 })
 
 const { t } = useI18n({
@@ -37,8 +40,18 @@ const { t } = useI18n({
             cleanupNow: "Cleanup now",
             autoCleanup: "Auto cleanup",
             cleanupSuccess: "Cleanup success",
+            saveSuccess: "Save success",
             save: "Save",
             cronTip: "Enable cron cleanup, need to configure [crons] in worker, please refer to the document, setting 0 days means clear all",
+            basicCleanup: "Basic Cleanup",
+            customSqlCleanup: "Custom SQL Cleanup",
+            customSqlTip: "Add custom DELETE SQL statements for scheduled cleanup. Only single DELETE statement is allowed per entry.",
+            addCustomSql: "Add Custom SQL",
+            sqlName: "Name",
+            sqlStatement: "SQL Statement (DELETE only)",
+            sqlNamePlaceholder: "e.g. Clean old logs",
+            sqlPlaceholder: "e.g. DELETE FROM raw_mails WHERE source GLOB '*@example.com' AND created_at < datetime('now', '-3 day')",
+            deleteCustomSql: "Delete",
         },
         zh: {
             tip: '请输入天数',
@@ -51,9 +64,19 @@ const { t } = useI18n({
             emptyAddressLabel: "清理 n 天前空邮件的邮箱地址",
             autoCleanup: "自动清理",
             cleanupSuccess: "清理成功",
+            saveSuccess: "保存成功",
             cleanupNow: "立即清理",
             save: "保存",
             cronTip: "启用定时清理, 需在 worker 配置 [crons] 参数, 请参考文档, 配置为 0 天表示全部清空",
+            basicCleanup: "基础清理",
+            customSqlCleanup: "自定义 SQL 清理",
+            customSqlTip: "添加自定义 DELETE SQL 语句进行定时清理。每条记录仅允许单条 DELETE 语句。",
+            addCustomSql: "添加自定义 SQL",
+            sqlName: "名称",
+            sqlStatement: "SQL 语句 (仅限 DELETE)",
+            sqlNamePlaceholder: "例如: 清理旧日志",
+            sqlPlaceholder: "例如: DELETE FROM raw_mails WHERE source GLOB '*@example.com' AND created_at < datetime('now', '-3 day')",
+            deleteCustomSql: "删除",
         }
     }
 });
@@ -70,6 +93,22 @@ const cleanup = async (cleanType, cleanDays) => {
     }
 }
 
+const addCustomSql = () => {
+    if (!cleanupModel.value.customSqlCleanupList) {
+        cleanupModel.value.customSqlCleanupList = [];
+    }
+    cleanupModel.value.customSqlCleanupList.push({
+        id: Date.now().toString(),
+        name: '',
+        sql: '',
+        enabled: false
+    });
+}
+
+const removeCustomSql = (index) => {
+    cleanupModel.value.customSqlCleanupList.splice(index, 1);
+}
+
 const fetchData = async () => {
     try {
         const res = await api.fetch('/admin/auto_cleanup');
@@ -85,7 +124,7 @@ const save = async () => {
             method: 'POST',
             body: JSON.stringify(cleanupModel.value)
         });
-        message.success(t('cleanupSuccess'));
+        message.success(t('saveSuccess'));
     } catch (error) {
         message.error(error.message || "error");
     }
@@ -108,92 +147,132 @@ onMounted(async () => {
                     {{ t('save') }}
                 </n-button>
             </n-flex>
-            <n-form :model="cleanupModel">
-                <n-form-item-row :label="t('mailBoxLabel')">
-                    <n-checkbox v-model:checked="cleanupModel.enableMailsAutoCleanup">
-                        {{ t('autoCleanup') }}
-                    </n-checkbox>
-                    <n-input-number v-model:value="cleanupModel.cleanMailsDays" :placeholder="t('tip')" />
-                    <n-button @click="cleanup('mails', cleanupModel.cleanMailsDays)">
-                        <template #icon>
-                            <n-icon :component="CleaningServicesFilled" />
-                        </template>
-                        {{ t('cleanupNow') }}
-                    </n-button>
-                </n-form-item-row>
-                <n-form-item-row :label="t('mailUnknowLabel')">
-                    <n-checkbox v-model:checked="cleanupModel.enableUnknowMailsAutoCleanup">
-                        {{ t('autoCleanup') }}
-                    </n-checkbox>
-                    <n-input-number v-model:value="cleanupModel.cleanUnknowMailsDays" :placeholder="t('tip')" />
-                    <n-button @click="cleanup('mails_unknow', cleanupModel.cleanUnknowMailsDays)">
-                        <template #icon>
-                            <n-icon :component="CleaningServicesFilled" />
-                        </template>
-                        {{ t('cleanupNow') }}
-                    </n-button>
-                </n-form-item-row>
-                <n-form-item-row :label="t('sendBoxLabel')">
-                    <n-checkbox v-model:checked="cleanupModel.enableSendBoxAutoCleanup">
-                        {{ t('autoCleanup') }}
-                    </n-checkbox>
-                    <n-input-number v-model:value="cleanupModel.cleanSendBoxDays" :placeholder="t('tip')" />
-                    <n-button @click="cleanup('sendbox', cleanupModel.cleanSendBoxDays)">
-                        <template #icon>
-                            <n-icon :component="CleaningServicesFilled" />
-                        </template>
-                        {{ t('cleanupNow') }}
-                    </n-button>
-                </n-form-item-row>
-                <n-form-item-row :label="t('addressCreateLabel')">
-                    <n-checkbox v-model:checked="cleanupModel.enableAddressAutoCleanup">
-                        {{ t('autoCleanup') }}
-                    </n-checkbox>
-                    <n-input-number v-model:value="cleanupModel.cleanAddressDays" :placeholder="t('tip')" />
-                    <n-button @click="cleanup('addressCreated', cleanupModel.cleanAddressDays)">
-                        <template #icon>
-                            <n-icon :component="CleaningServicesFilled" />
-                        </template>
-                        {{ t('cleanupNow') }}
-                    </n-button>
-                </n-form-item-row>
-                <n-form-item-row :label="t('inactiveAddressLabel')">
-                    <n-checkbox v-model:checked="cleanupModel.enableInactiveAddressAutoCleanup">
-                        {{ t('autoCleanup') }}
-                    </n-checkbox>
-                    <n-input-number v-model:value="cleanupModel.cleanInactiveAddressDays" :placeholder="t('tip')" />
-                    <n-button @click="cleanup('inactiveAddress', cleanupModel.cleanInactiveAddressDays)">
-                        <template #icon>
-                            <n-icon :component="CleaningServicesFilled" />
-                        </template>
-                        {{ t('cleanupNow') }}
-                    </n-button>
-                </n-form-item-row>
-                <n-form-item-row :label="t('unboundAddressLabel')">
-                    <n-checkbox v-model:checked="cleanupModel.enableUnboundAddressAutoCleanup">
-                        {{ t('autoCleanup') }}
-                    </n-checkbox>
-                    <n-input-number v-model:value="cleanupModel.cleanUnboundAddressDays" :placeholder="t('tip')" />
-                    <n-button @click="cleanup('unboundAddress', cleanupModel.cleanUnboundAddressDays)">
-                        <template #icon>
-                            <n-icon :component="CleaningServicesFilled" />
-                        </template>
-                        {{ t('cleanupNow') }}
-                    </n-button>
-                </n-form-item-row>
-                <n-form-item-row :label="t('emptyAddressLabel')">
-                    <n-checkbox v-model:checked="cleanupModel.enableEmptyAddressAutoCleanup">
-                        {{ t('autoCleanup') }}
-                    </n-checkbox>
-                    <n-input-number v-model:value="cleanupModel.cleanEmptyAddressDays" :placeholder="t('tip')" />
-                    <n-button @click="cleanup('emptyAddress', cleanupModel.cleanEmptyAddressDays)">
-                        <template #icon>
-                            <n-icon :component="CleaningServicesFilled" />
-                        </template>
-                        {{ t('cleanupNow') }}
-                    </n-button>
-                </n-form-item-row>
-            </n-form>
+            <n-tabs type="segment" style="margin-top: 16px;">
+                <n-tab-pane name="basic" :tab="t('basicCleanup')">
+                    <n-form :model="cleanupModel">
+                        <n-form-item-row :label="t('mailBoxLabel')">
+                            <n-checkbox v-model:checked="cleanupModel.enableMailsAutoCleanup">
+                                {{ t('autoCleanup') }}
+                            </n-checkbox>
+                            <n-input-number v-model:value="cleanupModel.cleanMailsDays" :placeholder="t('tip')" />
+                            <n-button @click="cleanup('mails', cleanupModel.cleanMailsDays)">
+                                <template #icon>
+                                    <n-icon :component="CleaningServicesFilled" />
+                                </template>
+                                {{ t('cleanupNow') }}
+                            </n-button>
+                        </n-form-item-row>
+                        <n-form-item-row :label="t('mailUnknowLabel')">
+                            <n-checkbox v-model:checked="cleanupModel.enableUnknowMailsAutoCleanup">
+                                {{ t('autoCleanup') }}
+                            </n-checkbox>
+                            <n-input-number v-model:value="cleanupModel.cleanUnknowMailsDays" :placeholder="t('tip')" />
+                            <n-button @click="cleanup('mails_unknow', cleanupModel.cleanUnknowMailsDays)">
+                                <template #icon>
+                                    <n-icon :component="CleaningServicesFilled" />
+                                </template>
+                                {{ t('cleanupNow') }}
+                            </n-button>
+                        </n-form-item-row>
+                        <n-form-item-row :label="t('sendBoxLabel')">
+                            <n-checkbox v-model:checked="cleanupModel.enableSendBoxAutoCleanup">
+                                {{ t('autoCleanup') }}
+                            </n-checkbox>
+                            <n-input-number v-model:value="cleanupModel.cleanSendBoxDays" :placeholder="t('tip')" />
+                            <n-button @click="cleanup('sendbox', cleanupModel.cleanSendBoxDays)">
+                                <template #icon>
+                                    <n-icon :component="CleaningServicesFilled" />
+                                </template>
+                                {{ t('cleanupNow') }}
+                            </n-button>
+                        </n-form-item-row>
+                        <n-form-item-row :label="t('addressCreateLabel')">
+                            <n-checkbox v-model:checked="cleanupModel.enableAddressAutoCleanup">
+                                {{ t('autoCleanup') }}
+                            </n-checkbox>
+                            <n-input-number v-model:value="cleanupModel.cleanAddressDays" :placeholder="t('tip')" />
+                            <n-button @click="cleanup('addressCreated', cleanupModel.cleanAddressDays)">
+                                <template #icon>
+                                    <n-icon :component="CleaningServicesFilled" />
+                                </template>
+                                {{ t('cleanupNow') }}
+                            </n-button>
+                        </n-form-item-row>
+                        <n-form-item-row :label="t('inactiveAddressLabel')">
+                            <n-checkbox v-model:checked="cleanupModel.enableInactiveAddressAutoCleanup">
+                                {{ t('autoCleanup') }}
+                            </n-checkbox>
+                            <n-input-number v-model:value="cleanupModel.cleanInactiveAddressDays" :placeholder="t('tip')" />
+                            <n-button @click="cleanup('inactiveAddress', cleanupModel.cleanInactiveAddressDays)">
+                                <template #icon>
+                                    <n-icon :component="CleaningServicesFilled" />
+                                </template>
+                                {{ t('cleanupNow') }}
+                            </n-button>
+                        </n-form-item-row>
+                        <n-form-item-row :label="t('unboundAddressLabel')">
+                            <n-checkbox v-model:checked="cleanupModel.enableUnboundAddressAutoCleanup">
+                                {{ t('autoCleanup') }}
+                            </n-checkbox>
+                            <n-input-number v-model:value="cleanupModel.cleanUnboundAddressDays" :placeholder="t('tip')" />
+                            <n-button @click="cleanup('unboundAddress', cleanupModel.cleanUnboundAddressDays)">
+                                <template #icon>
+                                    <n-icon :component="CleaningServicesFilled" />
+                                </template>
+                                {{ t('cleanupNow') }}
+                            </n-button>
+                        </n-form-item-row>
+                        <n-form-item-row :label="t('emptyAddressLabel')">
+                            <n-checkbox v-model:checked="cleanupModel.enableEmptyAddressAutoCleanup">
+                                {{ t('autoCleanup') }}
+                            </n-checkbox>
+                            <n-input-number v-model:value="cleanupModel.cleanEmptyAddressDays" :placeholder="t('tip')" />
+                            <n-button @click="cleanup('emptyAddress', cleanupModel.cleanEmptyAddressDays)">
+                                <template #icon>
+                                    <n-icon :component="CleaningServicesFilled" />
+                                </template>
+                                {{ t('cleanupNow') }}
+                            </n-button>
+                        </n-form-item-row>
+                    </n-form>
+                </n-tab-pane>
+                <n-tab-pane name="custom_sql" :tab="t('customSqlCleanup')">
+                    <n-alert :show-icon="false" :bordered="false" type="info" style="margin-bottom: 16px;">
+                        <span>{{ t('customSqlTip') }}</span>
+                    </n-alert>
+                    <n-space vertical>
+                        <n-card v-for="(item, index) in cleanupModel.customSqlCleanupList" :key="item.id" size="small">
+                            <n-space vertical>
+                                <n-space align="center">
+                                    <n-checkbox v-model:checked="item.enabled">
+                                        {{ t('autoCleanup') }}
+                                    </n-checkbox>
+                                    <n-input v-model:value="item.name" :placeholder="t('sqlNamePlaceholder')" style="width: 200px;" />
+                                    <n-button @click="removeCustomSql(index)" type="error" quaternary>
+                                        <template #icon>
+                                            <n-icon :component="DeleteFilled" />
+                                        </template>
+                                        {{ t('deleteCustomSql') }}
+                                    </n-button>
+                                </n-space>
+                                <n-input
+                                    v-model:value="item.sql"
+                                    type="textarea"
+                                    :placeholder="t('sqlPlaceholder')"
+                                    :autosize="{ minRows: 2 }"
+                                    class="sql-input"
+                                />
+                            </n-space>
+                        </n-card>
+                        <n-button @click="addCustomSql">
+                            <template #icon>
+                                <n-icon :component="AddFilled" />
+                            </template>
+                            {{ t('addCustomSql') }}
+                        </n-button>
+                    </n-space>
+                </n-tab-pane>
+            </n-tabs>
         </n-card>
     </div>
 </template>
@@ -214,8 +293,7 @@ onMounted(async () => {
     margin-bottom: 20px;
 }
 
-.item {
-    display: flex;
-    margin: 10px;
+.sql-input {
+    text-align: left;
 }
 </style>
diff --git a/worker/src/admin_api/cleanup_api.ts b/worker/src/admin_api/cleanup_api.ts
index 5f1893b3..bb9a2711 100644
--- a/worker/src/admin_api/cleanup_api.ts
+++ b/worker/src/admin_api/cleanup_api.ts
@@ -3,7 +3,78 @@ import { Context } from 'hono';
 import { cleanup } from '../common';
 import { CONSTANTS } from '../constants';
 import { getJsonSetting, saveSetting } from '../utils';
-import { CleanupSettings } from '../models';
+import { CleanupSettings, CustomSqlCleanup } from '../models';
+
+// Normalize SQL: trim and remove trailing semicolon
+const normalizeSql = (sql: string): string => {
+    let normalized = sql.trim();
+    if (normalized.endsWith(';')) {
+        normalized = normalized.slice(0, -1).trim();
+    }
+    return normalized;
+};
+
+// Validate custom SQL cleanup statement
+export const validateCustomSql = (sql: string): { valid: boolean; error?: string } => {
+    if (!sql || !sql.trim()) {
+        return { valid: false, error: "SQL statement is empty" };
+    }
+
+    const trimmedSql = normalizeSql(sql);
+
+    // Check SQL length (max 1000 characters)
+    if (trimmedSql.length > 1000) {
+        return { valid: false, error: "SQL statement is too long (max 1000 characters)" };
+    }
+
+    const sqlUpper = trimmedSql.toUpperCase();
+
+    // Only allow DELETE statements
+    if (!sqlUpper.startsWith('DELETE ')) {
+        return { valid: false, error: "Only DELETE statements are allowed" };
+    }
+
+    // Only allow single statement (no semicolons after trimming)
+    if (trimmedSql.includes(';')) {
+        return { valid: false, error: "Only single SQL statement is allowed" };
+    }
+
+    // Forbid SQL comments
+    if (/--/.test(trimmedSql) || /\/\*/.test(trimmedSql)) {
+        return { valid: false, error: "SQL comments are not allowed" };
+    }
+
+    return { valid: true };
+};
+
+// Execute custom SQL cleanup
+export const executeCustomSqlCleanup = async (
+    c: Context<HonoCustomType>,
+    customSql: CustomSqlCleanup
+): Promise<{ success: boolean; rowsAffected?: number; error?: string }> => {
+    if (!customSql || !customSql.sql) {
+        return { success: false, error: "Invalid custom SQL cleanup config" };
+    }
+
+    const validation = validateCustomSql(customSql.sql);
+    if (!validation.valid) {
+        return { success: false, error: validation.error };
+    }
+
+    const sql = normalizeSql(customSql.sql);
+
+    try {
+        console.log(`Executing custom SQL cleanup [${customSql.name}]: ${sql}`);
+        const result = await c.env.DB.prepare(sql).run();
+        const rowsAffected = result.meta?.changes ?? 0;
+        console.log(`Custom SQL cleanup [${customSql.name}] completed, rows affected: ${rowsAffected}`);
+        return { success: true, rowsAffected };
+    } catch (error) {
+        const errorMessage = (error as Error).message || "Unknown error";
+        console.error(`Custom SQL cleanup [${customSql.name}] failed:`, errorMessage);
+        return { success: false, error: errorMessage };
+    }
+};
 
 export default {
     cleanup: async (c: Context<HonoCustomType>) => {
@@ -22,6 +93,19 @@ export default {
     },
     saveCleanup: async (c: Context<HonoCustomType>) => {
         const cleanupSetting = await c.req.json<CleanupSettings>();
+
+        // Validate custom SQL cleanup list
+        if (cleanupSetting.customSqlCleanupList && cleanupSetting.customSqlCleanupList.length > 0) {
+            for (const customSql of cleanupSetting.customSqlCleanupList) {
+                if (customSql.sql) {
+                    const validation = validateCustomSql(customSql.sql);
+                    if (!validation.valid) {
+                        return c.text(`Invalid SQL [${customSql.name || 'unnamed'}]: ${validation.error}`, 400);
+                    }
+                }
+            }
+        }
+
         await saveSetting(c, CONSTANTS.AUTO_CLEANUP_KEY, JSON.stringify(cleanupSetting));
         return c.json({ success: true })
     }
diff --git a/worker/src/models/index.ts b/worker/src/models/index.ts
index 26f468a6..72d90730 100644
--- a/worker/src/models/index.ts
+++ b/worker/src/models/index.ts
@@ -34,6 +34,13 @@ export type WebhookMail = {
     parsedHtml: string;
 }
 
+export type CustomSqlCleanup = {
+    id: string;           // Unique identifier
+    name: string;         // Cleanup task name
+    sql: string;          // Custom SQL statement (DELETE only)
+    enabled: boolean;     // Whether to enable auto cleanup
+}
+
 export type CleanupSettings = {
 
     enableMailsAutoCleanup: boolean | undefined;
@@ -50,6 +57,7 @@ export type CleanupSettings = {
     cleanUnboundAddressDays: number;
     enableEmptyAddressAutoCleanup: boolean | undefined;
     cleanEmptyAddressDays: number;
+    customSqlCleanupList: CustomSqlCleanup[] | undefined;
 }
 
 export class GeoData {
diff --git a/worker/src/scheduled.ts b/worker/src/scheduled.ts
index 58183670..a5730cbf 100644
--- a/worker/src/scheduled.ts
+++ b/worker/src/scheduled.ts
@@ -3,6 +3,7 @@ import { cleanup } from './common'
 import { CONSTANTS } from './constants'
 import { getJsonSetting } from './utils';
 import { CleanupSettings } from './models';
+import { executeCustomSqlCleanup } from './admin_api/cleanup_api';
 
 export async function scheduled(event: ScheduledEvent, env: Bindings, ctx: any) {
     console.log("Scheduled event: ", event);
@@ -64,4 +65,18 @@ export async function scheduled(event: ScheduledEvent, env: Bindings, ctx: any)
             autoCleanupSetting.cleanEmptyAddressDays
         );
     }
+    // Execute custom SQL cleanup tasks
+    if (autoCleanupSetting.customSqlCleanupList && autoCleanupSetting.customSqlCleanupList.length > 0) {
+        for (const customSql of autoCleanupSetting.customSqlCleanupList) {
+            if (customSql.enabled && customSql.sql) {
+                const result = await executeCustomSqlCleanup(
+                    { env: env, } as Context<HonoCustomType>,
+                    customSql
+                );
+                if (!result.success) {
+                    console.error(`Custom SQL cleanup [${customSql.name}] failed: ${result.error}`);
+                }
+            }
+        }
+    }
 }