diff --git a/app/auth.tsx b/app/auth.tsx
index a2c8d22..7955413 100644
--- a/app/auth.tsx
+++ b/app/auth.tsx
@@ -1,11 +1,12 @@
 import { Ionicons } from '@expo/vector-icons'
 import { Block, Input, Text, Toast } from '@share/components'
 import { router } from 'expo-router'
+import * as Updates from 'expo-updates'
 import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react'
 import { TextInput } from 'react-native'
 import { KeyboardAwareScrollView } from 'react-native-keyboard-controller'
 
-import { APP_VERSION } from '@/app.config'
+import { APP_VERSION, VERSION } from '@/app.config'
 import BannerSection from '@/components/BannerSection'
 import { getSession, phoneNumber, setAuthToken, signIn } from '@/lib/auth'
 import { isValidPhone } from '@/utils'
@@ -29,8 +30,55 @@ export default function Auth() {
   const [loading, setLoading] = useState(false)
   const [countdown, setCountdown] = useState(0)
   const [agreed, setAgreed] = useState(false)
+  const [currentBranch, setCurrentBranch] = useState<string>('unknown')
   const countdownTimerRef = useRef<ReturnType<typeof setInterval> | null>(null)
 
+  // 获取当前分支信息
+  useEffect(() => {
+    const getBranchInfo = async () => {
+      try {
+        if (!Updates.isEnabled) {
+          setCurrentBranch('development')
+          return
+        }
+
+        // 方法1: 使用 Updates.manifest (同步)
+        const manifest = Updates.manifest
+
+        // 方法2: 或者尝试从更新中获取
+        let branch = 'production' // 默认值
+
+        if (manifest?.extra?.eas?.branch) {
+          branch = manifest.extra.eas.branch
+        } else if (manifest?.metadata?.branchName) {
+          branch = manifest.metadata.branchName
+        } else if (Updates.channel) {
+          branch = Updates.channel
+        }
+
+        // 方法3: 尝试获取当前运行的更新信息
+        try {
+          const currentlyRunning = await Updates.fetchUpdateAsync()
+          if (currentlyRunning.manifest?.extra?.eas?.branch) {
+            branch = currentlyRunning.manifest.extra.eas.branch
+          }
+        } catch (e) {
+          console.log('Failed to fetch current update:', e)
+        }
+
+        setCurrentBranch(branch)
+        console.log('Current branch:', branch)
+        console.log('Updates.channel:', Updates.channel)
+        console.log('Manifest:', manifest)
+      } catch (error) {
+        console.warn('Failed to get branch info:', error)
+        setCurrentBranch('unknown')
+      }
+    }
+
+    getBranchInfo()
+  }, [])
+
   const canSendCode = useMemo(() => {
     return isValidPhone(phone) && countdown === 0
   }, [phone, countdown])
@@ -451,7 +499,9 @@ export default function Auth() {
 
             <Block className="mt-[24px] items-center">
               <Text className="font-700 text-[12px] text-gray-400">© 2025 LOOMART. All rights reserved.</Text>
-              <Text className="font-700 text-[12px] text-gray-400">当前版本号: {APP_VERSION}</Text>
+              <Text className="font-700 text-[12px] text-gray-400">
+                版本号: {VERSION} - {APP_VERSION} - {currentBranch}
+              </Text>
             </Block>
           </Block>
         </Block>