diff --git a/package.json b/package.json
index f5b7c68..555ee9b 100644
--- a/package.json
+++ b/package.json
@@ -33,6 +33,7 @@
     "axios": "^1.11.0",
     "chart.js": "^4.5.0",
     "chokidar": "^4.0.3",
+    "croner": "^9.1.0",
     "crypto-js": "^4.2.0",
     "dayjs": "^1.11.13",
     "express": "^5.1.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 4a558ed..61e6513 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -38,6 +38,9 @@ importers:
       chokidar:
         specifier: ^4.0.3
         version: 4.0.3
+      croner:
+        specifier: ^9.1.0
+        version: 9.1.0
       crypto-js:
         specifier: ^4.2.0
         version: 4.2.0
@@ -2650,6 +2653,10 @@ packages:
   cron-validator@1.4.0:
     resolution: {integrity: sha512-wGcJ9FCy65iaU6egSH8b5dZYJF7GU/3Jh06wzaT9lsa5dbqExjljmu+0cJ8cpKn+vUyZa/EM4WAxeLR6SypJXw==}
 
+  croner@9.1.0:
+    resolution: {integrity: sha512-p9nwwR4qyT5W996vBZhdvBCnMhicY5ytZkR4D1Xj0wuTDEiMnjwR57Q3RXYY/s0EpX6Ay3vgIcfaR+ewGHsi+g==}
+    engines: {node: '>=18.0'}
+
   cross-spawn@7.0.6:
     resolution: {integrity: sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==}
     engines: {node: '>= 8'}
@@ -8573,6 +8580,8 @@ snapshots:
 
   cron-validator@1.4.0: {}
 
+  croner@9.1.0: {}
+
   cross-spawn@7.0.6:
     dependencies:
       path-key: 3.1.1
diff --git a/src/main/core/profileUpdater.ts b/src/main/core/profileUpdater.ts
index dae6493..122f9b7 100644
--- a/src/main/core/profileUpdater.ts
+++ b/src/main/core/profileUpdater.ts
@@ -1,22 +1,37 @@
 import { addProfileItem, getCurrentProfileItem, getProfileConfig } from '../config'
+import { Cron } from 'croner'
 
-const intervalPool: Record<string, NodeJS.Timeout> = {}
+const intervalPool: Record<string, Cron | NodeJS.Timeout> = {}
 
 export async function initProfileUpdater(): Promise<void> {
   const { items, current } = await getProfileConfig()
   const currentItem = await getCurrentProfileItem()
+  
   for (const item of items.filter((i) => i.id !== current)) {
     if (item.type === 'remote' && item.interval) {
-      intervalPool[item.id] = setTimeout(
-        async () => {
+      if (typeof item.interval === 'number') {
+        // 数字间隔使用setInterval
+        intervalPool[item.id] = setInterval(
+          async () => {
+            try {
+              await addProfileItem(item)
+            } catch (e) {
+              /* ignore */
+            }
+          },
+          item.interval * 60 * 1000
+        )
+      } else if (typeof item.interval === 'string') {
+        // 字符串间隔使用Cron
+        intervalPool[item.id] = new Cron(item.interval, async () => {
           try {
             await addProfileItem(item)
           } catch (e) {
             /* ignore */
           }
-        },
-        item.interval * 60 * 1000
-      )
+        })
+      }
+      
       try {
         await addProfileItem(item)
       } catch (e) {
@@ -24,17 +39,40 @@ export async function initProfileUpdater(): Promise<void> {
       }
     }
   }
+
   if (currentItem?.type === 'remote' && currentItem.interval) {
-    intervalPool[currentItem.id] = setTimeout(
-      async () => {
+    if (typeof currentItem.interval === 'number') {
+      intervalPool[currentItem.id] = setInterval(
+        async () => {
+          try {
+            await addProfileItem(currentItem)
+          } catch (e) {
+            /* ignore */
+          }
+        },
+        currentItem.interval * 60 * 1000
+      )
+      
+      setTimeout(
+        async () => {
+          try {
+            await addProfileItem(currentItem)
+          } catch (e) {
+            /* ignore */
+          }
+        },
+        currentItem.interval * 60 * 1000 + 10000 // +10s
+      )
+    } else if (typeof currentItem.interval === 'string') {
+      intervalPool[currentItem.id] = new Cron(currentItem.interval, async () => {
         try {
           await addProfileItem(currentItem)
         } catch (e) {
           /* ignore */
         }
-      },
-      currentItem.interval * 60 * 1000 + 10000 // +10s
-    )
+      })
+    }
+
     try {
       await addProfileItem(currentItem)
     } catch (e) {
@@ -46,17 +84,32 @@ export async function initProfileUpdater(): Promise<void> {
 export async function addProfileUpdater(item: IProfileItem): Promise<void> {
   if (item.type === 'remote' && item.interval) {
     if (intervalPool[item.id]) {
-      clearTimeout(intervalPool[item.id])
+      if (intervalPool[item.id] instanceof Cron) {
+        (intervalPool[item.id] as Cron).stop()
+      } else {
+        clearInterval(intervalPool[item.id] as NodeJS.Timeout)
+      }
     }
-    intervalPool[item.id] = setTimeout(
-      async () => {
+
+    if (typeof item.interval === 'number') {
+      intervalPool[item.id] = setInterval(
+        async () => {
+          try {
+            await addProfileItem(item)
+          } catch (e) {
+            /* ignore */
+          }
+        },
+        item.interval * 60 * 1000
+      )
+    } else if (typeof item.interval === 'string') {
+      intervalPool[item.id] = new Cron(item.interval, async () => {
         try {
           await addProfileItem(item)
         } catch (e) {
           /* ignore */
         }
-      },
-      item.interval * 60 * 1000
-    )
+      })
+    }
   }
-}
+}
\ No newline at end of file
diff --git a/src/renderer/src/components/profiles/edit-info-modal.tsx b/src/renderer/src/components/profiles/edit-info-modal.tsx
index 650d0e5..f581173 100644
--- a/src/renderer/src/components/profiles/edit-info-modal.tsx
+++ b/src/renderer/src/components/profiles/edit-info-modal.tsx
@@ -20,6 +20,7 @@ import { restartCore, addProfileUpdater } from '@renderer/utils/ipc'
 import { MdDeleteForever } from 'react-icons/md'
 import { FaPlus } from 'react-icons/fa6'
 import { useTranslation } from 'react-i18next'
+import { isValidCron } from 'cron-validator';
 
 interface Props {
   item: IProfileItem
@@ -100,15 +101,57 @@ const EditInfoModal: React.FC<Props> = (props) => {
                 />
               </SettingItem>
               <SettingItem title={t('profiles.editInfo.interval')}>
-                <Input
-                  size="sm"
-                  type="number"
-                  className={cn(inputWidth)}
-                  value={values.interval?.toString() ?? ''}
-                  onValueChange={(v) => {
-                    setValues({ ...values, interval: parseInt(v) })
-                  }}
-                />
+                <div className="flex flex-col gap-2">
+                  <Input
+                    size="sm"
+                    type="text"
+                    className={cn(
+                      inputWidth,
+                      // 不合法
+                      typeof values.interval === 'string' && 
+                      !/^\d+$/.test(values.interval) && 
+                      !isValidCron(values.interval, { seconds: false }) && 
+                      'border-red-500'
+                    )}
+                    value={values.interval?.toString() ?? ''}
+                    onValueChange={(v) => {
+                      // 输入限制
+                      if (/^[\d\s*\-,\/]*$/.test(v)) {
+                        // 纯数字
+                        if (/^\d+$/.test(v)) {
+                          setValues({ ...values, interval: parseInt(v, 10) || 0 });
+                          return;
+                        }
+                        // 非纯数字
+                        try {
+                          setValues({ ...values, interval: v });
+                        } catch (e) {
+                          // ignore
+                        }
+                      }
+                    }}
+                    placeholder="例如：30 或 '0 * * * *'"
+                  />
+
+                  {/* 动态提示信息 */}
+                  <div className="text-xs" style={{
+                    color: typeof values.interval === 'string' && 
+                          !/^\d+$/.test(values.interval) &&
+                          !isValidCron(values.interval, { seconds: false }) 
+                          ? '#ef4444'
+                          : '#6b7280'
+                  }}>
+                    {typeof values.interval === 'number' ? (
+                      '以分钟为单位的定时间隔'
+                    ) : /^\d+$/.test(values.interval?.toString() || '') ? (
+                      '以分钟为单位的定时间隔'
+                    ) : isValidCron(values.interval?.toString() || '', { seconds: false }) ? (
+                      '有效的Cron表达式'
+                    ) : (
+                      '请输入数字或合法的Cron表达式（如：0 * * * *）'
+                    )}
+                  </div>
+                </div>
               </SettingItem>
               <SettingItem title={t('profiles.editInfo.fixedInterval')}>
                 <Switch
diff --git a/src/renderer/src/locales/en-US.json b/src/renderer/src/locales/en-US.json
index 321fc71..9466f78 100644
--- a/src/renderer/src/locales/en-US.json
+++ b/src/renderer/src/locales/en-US.json
@@ -374,7 +374,7 @@
   "profiles.editInfo.name": "Name",
   "profiles.editInfo.url": "Subscription URL",
   "profiles.editInfo.useProxy": "Use Proxy to Update",
-  "profiles.editInfo.interval": "Upd. Interval (min)",
+  "profiles.editInfo.interval": "Upd. Interval",
   "profiles.editInfo.fixedInterval": "Fixed Update Interval",
   "profiles.editInfo.override.title": "Override",
   "profiles.editInfo.override.global": "Global",
diff --git a/src/renderer/src/locales/fa-IR.json b/src/renderer/src/locales/fa-IR.json
index d1b942d..f99aa6c 100644
--- a/src/renderer/src/locales/fa-IR.json
+++ b/src/renderer/src/locales/fa-IR.json
@@ -364,7 +364,7 @@
   "profiles.editInfo.name": "نام",
   "profiles.editInfo.url": "آدرس اشتراک",
   "profiles.editInfo.useProxy": "استفاده از پراکسی برای به‌روزرسانی",
-  "profiles.editInfo.interval": "فاصله به‌روزرسانی (دقیقه)",
+  "profiles.editInfo.interval": "فاصله به‌روزرسانی",
   "profiles.editInfo.fixedInterval": "فاصله به‌روزرسانی ثابت",
   "profiles.editInfo.override.title": "جایگزینی",
   "profiles.editInfo.override.global": "جهانی",
diff --git a/src/renderer/src/locales/ru-RU.json b/src/renderer/src/locales/ru-RU.json
index eb0c221..16c4905 100644
--- a/src/renderer/src/locales/ru-RU.json
+++ b/src/renderer/src/locales/ru-RU.json
@@ -364,7 +364,7 @@
   "profiles.editInfo.name": "Имя",
   "profiles.editInfo.url": "URL подписки",
   "profiles.editInfo.useProxy": "Использовать прокси для обновления",
-  "profiles.editInfo.interval": "Интервал обн. (мин)",
+  "profiles.editInfo.interval": "Интервал обн.",
   "profiles.editInfo.fixedInterval": "Фиксированный интервал обновления",
   "profiles.editInfo.override.title": "Переопределение",
   "profiles.editInfo.override.global": "Глобальный",
diff --git a/src/renderer/src/locales/zh-CN.json b/src/renderer/src/locales/zh-CN.json
index d5a65a8..63617aa 100644
--- a/src/renderer/src/locales/zh-CN.json
+++ b/src/renderer/src/locales/zh-CN.json
@@ -379,7 +379,7 @@
   "profiles.editInfo.name": "名称",
   "profiles.editInfo.url": "订阅地址",
   "profiles.editInfo.useProxy": "使用代理更新",
-  "profiles.editInfo.interval": "更新间隔（分钟）",
+  "profiles.editInfo.interval": "更新间隔",
   "profiles.editInfo.fixedInterval": "固定更新间隔",
   "profiles.editInfo.override.title": "覆写",
   "profiles.editInfo.override.global": "全局",
diff --git a/src/shared/types.d.ts b/src/shared/types.d.ts
index 9bcb894..a4e3586 100644
--- a/src/shared/types.d.ts
+++ b/src/shared/types.d.ts
@@ -461,7 +461,7 @@ interface IProfileItem {
   name: string
   url?: string // remote
   file?: string // local
-  interval?: number
+  interval?: number | string
   home?: string
   updated?: number
   override?: string[]