diff --git a/src/main/config/index.ts b/src/main/config/index.ts
index ef76486..0f869e3 100644
--- a/src/main/config/index.ts
+++ b/src/main/config/index.ts
@@ -14,7 +14,8 @@ export {
   getProfileStr,
   setProfileStr,
   changeCurrentProfile,
-  updateProfileItem
+  updateProfileItem,
+  convertMrsRuleset
 } from './profile'
 export {
   getOverrideConfig,
diff --git a/src/main/config/profile.ts b/src/main/config/profile.ts
index d16b8f5..475e835 100644
--- a/src/main/config/profile.ts
+++ b/src/main/config/profile.ts
@@ -100,7 +100,7 @@ export async function addProfileItem(item: Partial<IProfileItem>): Promise<void>
 export async function removeProfileItem(id: string): Promise<void> {
   // 先清理自动更新定时器，防止已删除的订阅重新出现
   await removeProfileUpdater(id)
-  
+
   const config = await getProfileConfig()
   config.items = config.items?.filter((item) => item.id !== id)
   let shouldRestart = false
@@ -191,7 +191,7 @@ export async function createProfile(item: Partial<IProfileItem>): Promise<IProfi
           timeout: subscriptionTimeout
         })
       }
-      
+
       // 检查状态码，例如：403
       if (res.status < 200 || res.status >= 300) {
         throw new Error(`Subscription failed: Request status code ${res.status}`)
@@ -199,7 +199,7 @@ export async function createProfile(item: Partial<IProfileItem>): Promise<IProfi
 
       const data = res.data
       const headers = res.headers
-      
+
       // 校验是否为对象结构 (拦截 HTML字符串、普通文本、乱码)
       const parsed = parse(data)
       if (typeof parsed !== 'object' || parsed === null) {
@@ -210,7 +210,7 @@ export async function createProfile(item: Partial<IProfileItem>): Promise<IProfi
       if (!profile.proxies && !profile['proxy-providers']) {
         throw new Error('Subscription failed: Profile missing proxies or providers')
       }
-      
+
       if (headers['content-disposition'] && newItem.name === 'Remote File') {
         newItem.name = parseFilename(headers['content-disposition'])
       }
@@ -329,3 +329,43 @@ export async function setFileStr(path: string, content: string): Promise<void> {
     )
   }
 }
+
+export async function convertMrsRuleset(filePath: string, behavior: string): Promise<string> {
+  const { exec } = await import('child_process')
+  const { promisify } = await import('util')
+  const execAsync = promisify(exec)
+  const { mihomoCorePath } = await import('../utils/dirs')
+  const { getAppConfig } = await import('./app')
+  const { tmpdir } = await import('os')
+  const { randomBytes } = await import('crypto')
+  const { unlink } = await import('fs/promises')
+
+  const { core = 'mihomo' } = await getAppConfig()
+  const corePath = mihomoCorePath(core)
+  const { diffWorkDir = false } = await getAppConfig()
+  const { current } = await getProfileConfig()
+  let fullPath: string
+  if (isAbsolutePath(filePath)) {
+    fullPath = filePath
+  } else {
+    fullPath = join(diffWorkDir ? mihomoProfileWorkDir(current) : mihomoWorkDir(), filePath)
+  }
+
+  const tempFileName = `mrs-convert-${randomBytes(8).toString('hex')}.txt`
+  const tempFilePath = join(tmpdir(), tempFileName)
+
+  try {
+    // 使用 mihomo convert-ruleset 命令转换 MRS 文件为 text 格式
+    // 命令格式: mihomo convert-ruleset <behavior> <format> <source>
+    await execAsync(`"${corePath}" convert-ruleset ${behavior} mrs "${fullPath}" "${tempFilePath}"`)
+    const content = await readFile(tempFilePath, 'utf-8')
+    await unlink(tempFilePath)
+
+    return content
+  } catch (error) {
+    try {
+      await unlink(tempFilePath)
+    } catch {}
+    throw error
+  }
+}
diff --git a/src/main/utils/ipc.ts b/src/main/utils/ipc.ts
index be56ac2..bcdbf83 100644
--- a/src/main/utils/ipc.ts
+++ b/src/main/utils/ipc.ts
@@ -48,7 +48,8 @@ import {
   removeOverrideItem,
   getOverride,
   setOverride,
-  updateOverrideItem
+  updateOverrideItem,
+  convertMrsRuleset
 } from '../config'
 import {
   startSubStoreFrontendServer,
@@ -215,6 +216,7 @@ export function registerIpcMainHandlers(): void {
   ipcMain.handle('getProfileStr', (_e, id) => ipcErrorWrapper(getProfileStr)(id))
   ipcMain.handle('getFileStr', (_e, path) => ipcErrorWrapper(getFileStr)(path))
   ipcMain.handle('setFileStr', (_e, path, str) => ipcErrorWrapper(setFileStr)(path, str))
+  ipcMain.handle('convertMrsRuleset', (_e, path, behavior) => ipcErrorWrapper(convertMrsRuleset)(path, behavior))
   ipcMain.handle('setProfileStr', (_e, id, str) => ipcErrorWrapper(setProfileStr)(id, str))
   ipcMain.handle('updateProfileItem', (_e, item) => ipcErrorWrapper(updateProfileItem)(item))
   ipcMain.handle('changeCurrentProfile', (_e, id) => ipcErrorWrapper(changeCurrentProfile)(id))
diff --git a/src/renderer/src/components/resources/rule-provider.tsx b/src/renderer/src/components/resources/rule-provider.tsx
index 2656cfe..5928d33 100644
--- a/src/renderer/src/components/resources/rule-provider.tsx
+++ b/src/renderer/src/components/resources/rule-provider.tsx
@@ -25,7 +25,8 @@ const RuleProvider: React.FC = () => {
     type: '',
     title: '',
     format: '',
-    privderType: ''
+    privderType: '',
+    behavior: ''
   })
   useEffect(() => {
     if (showDetails.title) {
@@ -37,11 +38,12 @@ const RuleProvider: React.FC = () => {
             setShowDetails((prev) => ({
               ...prev,
               show: true,
-              path: provider?.path || `rules/${getHash(provider?.url)}`
+              path: provider?.path || `rules/${getHash(provider?.url)}`,
+              behavior: provider?.behavior || 'domain'
             }))
           }
         } catch {
-          setShowDetails((prev) => ({ ...prev, path: '' }))
+          setShowDetails((prev) => ({ ...prev, path: '', behavior: '' }))
         }
       }
       fetchProviderPath(showDetails.title)
@@ -94,7 +96,8 @@ const RuleProvider: React.FC = () => {
           title={showDetails.title}
           format={showDetails.format}
           privderType={showDetails.privderType}
-          onClose={() => setShowDetails({ show: false, path: '', type: '', title: '', format: '', privderType: '' })}
+          behavior={showDetails.behavior}
+          onClose={() => setShowDetails({ show: false, path: '', type: '', title: '', format: '', privderType: '', behavior: '' })}
         />
       )}
       <SettingItem title={t('resources.ruleProviders.title')} divider>
@@ -122,30 +125,29 @@ const RuleProvider: React.FC = () => {
           >
             <div className="flex h-[32px] leading-[32px] text-foreground-500">
               <div>{dayjs(provider.updatedAt).fromNow()}</div>
-              {provider.format !== 'MrsRule' && (
-                <Button
-                  isIconOnly
-                  title={provider.vehicleType == 'File' ? t('common.editor.edit') : t('common.viewer.view')}
-                  className="ml-2"
-                  size="sm"
-                  onPress={() => {
-                    setShowDetails({
-                      show: false,
-                      privderType: 'rule-providers',
-                      path: provider.name,
-                      type: provider.vehicleType,
-                      title: provider.name,
-                      format: provider.format
-                    })
-                  }}
-                >
-                  {provider.vehicleType == 'File' ? (
-                    <MdEditDocument className={`text-lg`} />
-                  ) : (
-                    <CgLoadbarDoc className={`text-lg`} />
-                  )}
-                </Button>
-              )}
+              <Button
+                isIconOnly
+                title={provider.vehicleType == 'File' ? t('common.editor.edit') : t('common.viewer.view')}
+                className="ml-2"
+                size="sm"
+                onPress={() => {
+                  setShowDetails({
+                    show: false,
+                    privderType: 'rule-providers',
+                    path: provider.name,
+                    type: provider.vehicleType,
+                    title: provider.name,
+                    format: provider.format,
+                    behavior: provider.behavior || 'domain'
+                  })
+                }}
+              >
+                {provider.vehicleType == 'File' ? (
+                  <MdEditDocument className={`text-lg`} />
+                ) : (
+                  <CgLoadbarDoc className={`text-lg`} />
+                )}
+              </Button>
               <Button
                 isIconOnly
                 title={t('common.updater.update')}
diff --git a/src/renderer/src/components/resources/viewer.tsx b/src/renderer/src/components/resources/viewer.tsx
index 74a6e90..152a027 100644
--- a/src/renderer/src/components/resources/viewer.tsx
+++ b/src/renderer/src/components/resources/viewer.tsx
@@ -1,7 +1,7 @@
 import { Modal, ModalContent, ModalHeader, ModalBody, ModalFooter, Button } from '@heroui/react'
 import React, { useEffect, useState } from 'react'
 import { BaseEditor } from '../base/base-editor'
-import { getFileStr, setFileStr } from '@renderer/utils/ipc'
+import { getFileStr, setFileStr, convertMrsRuleset, getRuntimeConfig } from '@renderer/utils/ipc'
 import yaml from 'js-yaml'
 import { useTranslation } from 'react-i18next'
 type Language = 'yaml' | 'javascript' | 'css' | 'json' | 'text'
@@ -13,34 +13,60 @@ interface Props {
   title: string
   privderType: string
   format?: string
+  behavior?: string
 }
 const Viewer: React.FC<Props> = (props) => {
   const { t } = useTranslation()
-  const { type, path, title, format, privderType, onClose } = props
+  const { type, path, title, format, privderType, behavior, onClose } = props
   const [currData, setCurrData] = useState('')
+  const [isLoading, setIsLoading] = useState(true)
   let language: Language = !format || format === 'YamlRule' ? 'yaml' : 'text'
 
   const getContent = async (): Promise<void> => {
-    let fileContent: React.SetStateAction<string>
-    if (type === 'Inline') {
-      fileContent = await getFileStr('config.yaml')
-      language = 'yaml'
-    } else {
-      fileContent = await getFileStr(path)
-    }
+    setIsLoading(true)
     try {
-      const parsedYaml = yaml.load(fileContent)
-      if (privderType === 'proxy-providers') {
-        setCurrData(yaml.dump({
-          'proxies': parsedYaml[privderType][title].payload
-        }))
-      } else {
-        setCurrData(yaml.dump({
-          'rules': parsedYaml[privderType][title].payload
-        }))
+      let fileContent: React.SetStateAction<string>
+
+      if (format === 'MrsRule') {
+        language = 'text'
+        let ruleBehavior: string = behavior || 'domain'
+        if (!behavior) {
+          try {
+            const runtimeConfig = await getRuntimeConfig()
+            const provider = runtimeConfig['rule-providers']?.[title]
+            ruleBehavior = provider?.behavior || 'domain'
+          } catch {
+            ruleBehavior = 'domain'
+          }
+        }
+
+        fileContent = await convertMrsRuleset(path, ruleBehavior)
+        setCurrData(fileContent)
+        return
       }
-    } catch (error) {
-      setCurrData(fileContent)
+
+      if (type === 'Inline') {
+        fileContent = await getFileStr('config.yaml')
+        language = 'yaml'
+      } else {
+        fileContent = await getFileStr(path)
+      }
+      try {
+        const parsedYaml = yaml.load(fileContent)
+        if (privderType === 'proxy-providers') {
+          setCurrData(yaml.dump({
+            'proxies': parsedYaml[privderType][title].payload
+          }))
+        } else {
+          setCurrData(yaml.dump({
+            'rules': parsedYaml[privderType][title].payload
+          }))
+        }
+      } catch (error) {
+        setCurrData(fileContent)
+      }
+    } finally {
+      setIsLoading(false)
     }
   }
 
@@ -61,18 +87,24 @@ const Viewer: React.FC<Props> = (props) => {
       <ModalContent className="h-full w-[calc(100%-100px)]">
         <ModalHeader className="flex pb-0 app-drag">{title}</ModalHeader>
         <ModalBody className="h-full">
-          <BaseEditor
-            language={language}
-            value={currData}
-            readOnly={type != 'File'}
-            onChange={(value) => setCurrData(value)}
-          />
+          {isLoading ? (
+            <div className="flex items-center justify-center h-full">
+              <div className="text-foreground-500">{t('common.loading')}</div>
+            </div>
+          ) : (
+            <BaseEditor
+              language={language}
+              value={currData}
+              readOnly={type != 'File' || format === 'MrsRule'}
+              onChange={(value) => setCurrData(value)}
+            />
+          )}
         </ModalBody>
         <ModalFooter className="pt-0">
           <Button size="sm" variant="light" onPress={onClose}>
             {t('common.close')}
           </Button>
-          {type == 'File' && (
+          {type == 'File' && format !== 'MrsRule' && (
             <Button
               size="sm"
               color="primary"
diff --git a/src/renderer/src/locales/en-US.json b/src/renderer/src/locales/en-US.json
index 12a839c..7f7f46d 100644
--- a/src/renderer/src/locales/en-US.json
+++ b/src/renderer/src/locales/en-US.json
@@ -16,6 +16,7 @@
   "common.auto": "Auto",
   "common.default": "Default",
   "common.close": "Close",
+  "common.loading": "Loading...",
   "common.pinWindow": "Pin Window",
   "common.next": "Next",
   "common.prev": "Previous",
diff --git a/src/renderer/src/locales/fa-IR.json b/src/renderer/src/locales/fa-IR.json
index 1c35eab..b8eedb0 100644
--- a/src/renderer/src/locales/fa-IR.json
+++ b/src/renderer/src/locales/fa-IR.json
@@ -16,6 +16,7 @@
   "common.auto": "خودکار",
   "common.default": "پیش‌فرض",
   "common.close": "بستن",
+  "common.loading": "در حال بارگذاری...",
   "common.pinWindow": "پین کردن پنجره",
   "common.next": "بعدی",
   "common.prev": "قبلی",
diff --git a/src/renderer/src/locales/ru-RU.json b/src/renderer/src/locales/ru-RU.json
index 519001e..b8fd524 100644
--- a/src/renderer/src/locales/ru-RU.json
+++ b/src/renderer/src/locales/ru-RU.json
@@ -16,6 +16,7 @@
   "common.auto": "Авто",
   "common.default": "По умолчанию",
   "common.close": "Закрыть",
+  "common.loading": "Загрузка...",
   "common.pinWindow": "Закрепить окно",
   "common.next": "Далее",
   "common.prev": "Назад",
diff --git a/src/renderer/src/locales/zh-CN.json b/src/renderer/src/locales/zh-CN.json
index d64591e..2cfbb7b 100644
--- a/src/renderer/src/locales/zh-CN.json
+++ b/src/renderer/src/locales/zh-CN.json
@@ -16,6 +16,7 @@
   "common.auto": "自动",
   "common.default": "默认",
   "common.close": "关闭",
+  "common.loading": "加载中...",
   "common.pinWindow": "窗口置顶",
   "common.next": "下一步",
   "common.prev": "上一步",
diff --git a/src/renderer/src/utils/ipc.ts b/src/renderer/src/utils/ipc.ts
index 772f09d..c633307 100644
--- a/src/renderer/src/utils/ipc.ts
+++ b/src/renderer/src/utils/ipc.ts
@@ -208,6 +208,10 @@ export async function setProfileStr(id: string, str: string): Promise<void> {
   return ipcErrorWrapper(await window.electron.ipcRenderer.invoke('setProfileStr', id, str))
 }
 
+export async function convertMrsRuleset(path: string, behavior: string): Promise<string> {
+  return ipcErrorWrapper(await window.electron.ipcRenderer.invoke('convertMrsRuleset', path, behavior))
+}
+
 export async function getOverrideConfig(force = false): Promise<IOverrideConfig> {
   return ipcErrorWrapper(await window.electron.ipcRenderer.invoke('getOverrideConfig', force))
 }