diff --git a/miniapps/forge/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/01-connect.png b/miniapps/forge/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/01-connect.png
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diff --git a/miniapps/forge/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/02-swap.png b/miniapps/forge/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/02-swap.png
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diff --git a/miniapps/forge/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/03-swap-amount.png b/miniapps/forge/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/03-swap-amount.png
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diff --git a/miniapps/forge/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/04-token-picker.png b/miniapps/forge/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/04-token-picker.png
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diff --git a/miniapps/forge/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/05-confirm.png b/miniapps/forge/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/05-confirm.png
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diff --git a/miniapps/forge/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/06-error.png b/miniapps/forge/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/06-error.png
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diff --git a/miniapps/forge/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/07-flow-complete.png b/miniapps/forge/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/07-flow-complete.png
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diff --git a/miniapps/forge/e2e/ui.spec.ts b/miniapps/forge/e2e/ui.spec.ts
index ad8ffc69..c8ce0659 100644
--- a/miniapps/forge/e2e/ui.spec.ts
+++ b/miniapps/forge/e2e/ui.spec.ts
@@ -3,9 +3,13 @@ import { UI_TEXT } from './helpers/i18n'
 
 const mockApiResponses = `
   // Mock fetch for API calls
+  // Real endpoints: /cot/recharge/support, /cot/recharge/V2
   const originalFetch = window.fetch
   window.fetch = async (url, options) => {
-    if (url.includes('getSupport')) {
+    const urlStr = typeof url === 'string' ? url : url.toString()
+    
+    // Match real endpoint: /cot/recharge/support
+    if (urlStr.includes('/cot/recharge/support') || urlStr.includes('/recharge/support')) {
       return {
         ok: true,
         json: () => Promise.resolve({
@@ -24,7 +28,8 @@ const mockApiResponses = `
         }),
       }
     }
-    if (url.includes('rechargeV2')) {
+    // Match real endpoint: /cot/recharge/V2
+    if (urlStr.includes('/cot/recharge/V2') || urlStr.includes('/recharge/V2')) {
       return {
         ok: true,
         json: () => Promise.resolve({ orderId: 'order-123456' }),
@@ -53,7 +58,7 @@ const mockBioSDK = `
         return { data: '0xsigned-tx-data-456' }
       }
       if (method === 'bio_signMessage') {
-        return 'signature-789'
+        return { signature: 'signature-789', publicKey: 'pubkey-abc123' }
       }
       return {}
     }
@@ -123,8 +128,8 @@ test.describe('Forge UI', () => {
     await page.click('button:has-text("ETH")')
     await expect(page.locator(`text=${UI_TEXT.token.select.source}`).first()).toBeVisible()
 
-    // Should show available tokens
-    await expect(page.locator('text=Ethereum')).toBeVisible()
+    // Should show available tokens (use heading to be specific)
+    await expect(page.getByRole('heading', { name: 'Ethereum' })).toBeVisible()
 
     await expect(page).toHaveScreenshot('04-token-picker.png')
   })
@@ -150,14 +155,25 @@ test.describe('Forge UI', () => {
   })
 
   test('06 - error state without bio SDK', async ({ page }) => {
-    // No bio SDK mock
+    // Mock bio SDK that throws connection error
+    await page.addInitScript(`
+      window.bio = {
+        request: async ({ method }) => {
+          if (method === 'bio_closeSplashScreen') return {}
+          throw new Error('连接失败')
+        }
+      }
+    `)
     await page.goto('/')
     await page.waitForLoadState('networkidle')
 
-    await page.locator(`button:has-text("${UI_TEXT.connect.button.source}")`).first().click()
+    // Wait for button to be enabled (config loaded)
+    const connectBtn = page.locator(`button:has-text("${UI_TEXT.connect.button.source}")`).first()
+    await expect(connectBtn).toBeEnabled({ timeout: 10000 })
+    await connectBtn.click()
 
-    // Should show error
-    await expect(page.locator(`text=${UI_TEXT.error.sdkNotInit.source}`)).toBeVisible({ timeout: 5000 })
+    // Should show error message (bio SDK throws error)
+    await expect(page.locator('text=连接失败')).toBeVisible({ timeout: 5000 })
 
     await expect(page).toHaveScreenshot('06-error.png')
   })
@@ -220,12 +236,14 @@ test.describe('Forge UI', () => {
     await page.click('button:has-text("ETH")')
     await expect(page.locator(`text=${UI_TEXT.token.select.source}`)).toBeVisible()
 
-    // Select different token (BNB on BSC)
-    const bnbOption = page.locator('text=BNB').first()
+    // Select different token (BNB → BFM option under BNB Chain)
+    const bnbOption = page.locator('text=BNB → BFM').first()
     if (await bnbOption.isVisible()) {
       await bnbOption.click()
-      // Picker should close and new token should be selected
-      await expect(page.locator('button:has-text("BNB")')).toBeVisible({ timeout: 5000 })
+      // Picker should close, wait a moment for state update
+      await page.waitForTimeout(500)
+      // Token selector should now show BNB
+      await expect(page.locator('button:has-text("BNB")').first()).toBeVisible({ timeout: 5000 })
     }
   })
 })
diff --git a/miniapps/forge/scripts/e2e.ts b/miniapps/forge/scripts/e2e.ts
index 6b1d6125..c381450a 100644
--- a/miniapps/forge/scripts/e2e.ts
+++ b/miniapps/forge/scripts/e2e.ts
@@ -31,7 +31,11 @@ async function main() {
   // Start vite dev server
   const vite = spawn('pnpm', ['vite', '--port', String(port)], {
     stdio: ['ignore', 'pipe', 'pipe'],
-    env: { ...process.env },
+    env: { 
+      ...process.env,
+      // E2E 测试使用 mock API，设置一个占位 base URL
+      VITE_COT_API_BASE_URL: process.env.VITE_COT_API_BASE_URL || 'https://e2e-mock.test',
+    },
   })
   
   let serverReady = false
diff --git a/miniapps/forge/src/api/config.ts b/miniapps/forge/src/api/config.ts
index 1cafd7e1..2a066b46 100644
--- a/miniapps/forge/src/api/config.ts
+++ b/miniapps/forge/src/api/config.ts
@@ -1,10 +1,28 @@
 /**
  * API Configuration
- * TODO: Base URL needs to be confirmed with backend team
+ * 
+ * IMPORTANT: Base URL must be configured via VITE_COT_API_BASE_URL environment variable.
+ * The COT Recharge API host has not been confirmed - do not use a hardcoded default.
  */
 
-/** API Base URL - to be configured via environment or runtime */
-export const API_BASE_URL = import.meta.env.VITE_COT_API_BASE_URL || 'https://api.eth-metaverse.com'
+/** API Base URL - must be configured via environment variable */
+function getApiBaseUrl(): string {
+  const url = import.meta.env.VITE_COT_API_BASE_URL
+  if (!url) {
+    // Fail-fast in development to catch missing configuration early
+    if (import.meta.env.DEV) {
+      console.error(
+        '[Forge API] VITE_COT_API_BASE_URL is not configured. ' +
+        'Please set this environment variable to the COT Recharge API base URL.'
+      )
+    }
+    // Return empty string - API calls will fail with clear error
+    return ''
+  }
+  return url
+}
+
+export const API_BASE_URL = getApiBaseUrl()
 
 /** API Endpoints */
 export const API_ENDPOINTS = {
diff --git a/miniapps/forge/src/hooks/useForge.test.ts b/miniapps/forge/src/hooks/useForge.test.ts
index 9aac03ff..add88669 100644
--- a/miniapps/forge/src/hooks/useForge.test.ts
+++ b/miniapps/forge/src/hooks/useForge.test.ts
@@ -48,7 +48,7 @@ describe('useForge', () => {
     mockBio.request
       .mockResolvedValueOnce({ txHash: 'unsigned123' }) // bio_createTransaction
       .mockResolvedValueOnce({ data: '0xsigned123' }) // bio_signTransaction
-      .mockResolvedValueOnce('signature123') // bio_signMessage
+      .mockResolvedValueOnce({ signature: 'signature123', publicKey: 'pubkey123' }) // bio_signMessage
 
     vi.mocked(rechargeApi.submitRecharge).mockResolvedValue({ orderId: 'order123' })
 
@@ -66,7 +66,7 @@ describe('useForge', () => {
     expect(result.current.orderId).toBe('order123')
     expect(result.current.error).toBeNull()
 
-    // Verify API calls
+    // Verify API calls (3 calls: createTx, signTx, signMessage)
     expect(mockBio.request).toHaveBeenCalledTimes(3)
     expect(rechargeApi.submitRecharge).toHaveBeenCalledTimes(1)
   })
@@ -126,7 +126,7 @@ describe('useForge', () => {
     mockBio.request
       .mockResolvedValueOnce({ txHash: 'unsigned123' })
       .mockResolvedValueOnce({ data: '0xsigned123' })
-      .mockResolvedValueOnce('signature123')
+      .mockResolvedValueOnce({ signature: 'signature123', publicKey: 'pubkey123' })
 
     vi.mocked(rechargeApi.submitRecharge).mockRejectedValue(new Error('Server error'))
 
@@ -169,7 +169,7 @@ describe('useForge', () => {
     mockBio.request
       .mockResolvedValueOnce({ txHash: 'unsigned' })
       .mockResolvedValueOnce({ data: '0xsignedEthTx' })
-      .mockResolvedValueOnce('sig')
+      .mockResolvedValueOnce({ signature: 'sig', publicKey: 'pubkey' })
 
     vi.mocked(rechargeApi.submitRecharge).mockResolvedValue({ orderId: 'order' })
 
@@ -192,7 +192,7 @@ describe('useForge', () => {
     mockBio.request
       .mockResolvedValueOnce({ txHash: 'unsigned' })
       .mockResolvedValueOnce({ data: '0xsignedBscTx' })
-      .mockResolvedValueOnce('sig')
+      .mockResolvedValueOnce({ signature: 'sig', publicKey: 'pubkey' })
 
     vi.mocked(rechargeApi.submitRecharge).mockResolvedValue({ orderId: 'order' })
 
diff --git a/miniapps/forge/src/hooks/useForge.ts b/miniapps/forge/src/hooks/useForge.ts
index f028d6f4..86c701b4 100644
--- a/miniapps/forge/src/hooks/useForge.ts
+++ b/miniapps/forge/src/hooks/useForge.ts
@@ -127,7 +127,8 @@ export function useForge() {
         timestamp: rechargeMessage.timestamp,
       })
 
-      const signature = await window.bio.request<string>({
+      // bio_signMessage 返回 { signature, publicKey }，publicKey 为 hex 格式
+      const signResult = await window.bio.request<{ signature: string; publicKey: string }>({
         method: 'bio_signMessage',
         params: [{
           message: messageToSign,
@@ -135,12 +136,10 @@ export function useForge() {
         }],
       })
 
-      // Build signature info
-      // Note: publicKey format needs to be confirmed with backend
       const signatureInfo: SignatureInfo = {
         timestamp: rechargeMessage.timestamp,
-        signature,
-        publicKey: internalAccount.address, // TODO: Get actual public key
+        signature: signResult.signature,
+        publicKey: signResult.publicKey,
       }
 
       // Step 3: Submit recharge request
diff --git a/miniapps/forge/src/main.tsx b/miniapps/forge/src/main.tsx
index b8b83297..81c689d2 100644
--- a/miniapps/forge/src/main.tsx
+++ b/miniapps/forge/src/main.tsx
@@ -1,4 +1,5 @@
 import './index.css'
+import './i18n'
 import '@biochain/bio-sdk'
 import { StrictMode } from 'react'
 import { createRoot } from 'react-dom/client'
diff --git a/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/01-connect.png b/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/01-connect.png
index 58748199..ac81e46b 100644
Binary files a/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/01-connect.png and b/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/01-connect.png differ
diff --git a/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/02-select-asset.png b/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/02-select-asset.png
index e3c23969..369dc564 100644
Binary files a/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/02-select-asset.png and b/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/02-select-asset.png differ
diff --git a/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/03-input-amount.png b/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/03-input-amount.png
index 5626cd0c..fb92abca 100644
Binary files a/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/03-input-amount.png and b/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/03-input-amount.png differ
diff --git a/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/04-amount-filled.png b/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/04-amount-filled.png
index 2acc32fc..58727a52 100644
Binary files a/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/04-amount-filled.png and b/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/04-amount-filled.png differ
diff --git a/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/05-select-target.png b/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/05-select-target.png
index f0036bee..c9db8569 100644
Binary files a/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/05-select-target.png and b/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/05-select-target.png differ
diff --git a/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/06-confirm.png b/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/06-confirm.png
index 2d620264..b0269948 100644
Binary files a/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/06-confirm.png and b/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/06-confirm.png differ
diff --git a/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/07-success.png b/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/07-success.png
new file mode 100644
index 00000000..ca45d3be
Binary files /dev/null and b/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/07-success.png differ
diff --git a/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/08-error-no-sdk.png b/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/08-error-no-sdk.png
new file mode 100644
index 00000000..a2c4076e
Binary files /dev/null and b/miniapps/teleport/e2e/__screenshots__/Mobile-Chrome/ui.spec.ts/08-error-no-sdk.png differ
diff --git a/miniapps/teleport/e2e/ui.spec.ts b/miniapps/teleport/e2e/ui.spec.ts
index cf2f48a7..ae73938e 100644
--- a/miniapps/teleport/e2e/ui.spec.ts
+++ b/miniapps/teleport/e2e/ui.spec.ts
@@ -1,33 +1,77 @@
 import { test, expect } from '@playwright/test'
 import { UI_TEXT } from './helpers/i18n'
 
-// Mock API response for asset type list
-const mockAssetTypeListResponse = JSON.stringify({
-  transmitSupport: {
-    ETH: {
-      ETH: {
-        enable: true,
-        isAirdrop: false,
-        assetType: 'ETH',
-        recipientAddress: '0x1234567890abcdef1234567890abcdef12345678',
-        targetChain: 'BFMCHAIN',
-        targetAsset: 'BFM',
-        ratio: { numerator: 1, denominator: 1 },
-        transmitDate: { startDate: '2020-01-01', endDate: '2030-12-31' },
-      },
-      USDT: {
-        enable: true,
-        isAirdrop: false,
-        assetType: 'USDT',
-        recipientAddress: '0x1234567890abcdef1234567890abcdef12345678',
-        targetChain: 'BFMCHAIN',
-        targetAsset: 'USDM',
-        ratio: { numerator: 1, denominator: 1 },
-        transmitDate: { startDate: '2020-01-01', endDate: '2030-12-31' },
-      },
-    },
-  },
-})
+// Mock API responses using fetch interception
+const mockApiResponses = `
+  const originalFetch = window.fetch
+  window.fetch = async (url, options) => {
+    const urlStr = typeof url === 'string' ? url : url.toString()
+    
+    // Mock asset type list
+    if (urlStr.includes('/transmit/assetTypeList')) {
+      return {
+        ok: true,
+        json: () => Promise.resolve({
+          transmitSupport: {
+            ETH: {
+              ETH: {
+                enable: true,
+                isAirdrop: false,
+                assetType: 'ETH',
+                recipientAddress: '0x1234567890abcdef1234567890abcdef12345678',
+                targetChain: 'BFMCHAIN',
+                targetAsset: 'BFM',
+                ratio: { numerator: 1, denominator: 1 },
+                transmitDate: { startDate: '2020-01-01', endDate: '2030-12-31' },
+              },
+              USDT: {
+                enable: true,
+                isAirdrop: false,
+                assetType: 'USDT',
+                recipientAddress: '0x1234567890abcdef1234567890abcdef12345678',
+                targetChain: 'BFMCHAIN',
+                targetAsset: 'USDM',
+                ratio: { numerator: 1, denominator: 1 },
+                transmitDate: { startDate: '2020-01-01', endDate: '2030-12-31' },
+              },
+            },
+          },
+        }),
+      }
+    }
+    
+    // Mock records list
+    if (urlStr.includes('/transmit/records')) {
+      return {
+        ok: true,
+        json: () => Promise.resolve({ page: 1, pageSize: 10, dataList: [] }),
+      }
+    }
+    
+    // Mock transmit POST
+    if (urlStr.includes('/transmit') && options?.method === 'POST') {
+      return {
+        ok: true,
+        json: () => Promise.resolve({ orderId: 'mock-order-123' }),
+      }
+    }
+    
+    // Mock record detail
+    if (urlStr.includes('/transmit/recordDetail')) {
+      return {
+        ok: true,
+        json: () => Promise.resolve({
+          state: 3,
+          orderState: 4, // SUCCESS
+          swapRatio: 1,
+          updatedTime: new Date().toISOString(),
+        }),
+      }
+    }
+    
+    return originalFetch(url, options)
+  }
+`
 
 // Mock Bio SDK with chain support
 const mockBioSDK = `
@@ -60,46 +104,8 @@ const mockBioSDK = `
 test.describe('Teleport UI', () => {
   test.beforeEach(async ({ page }) => {
     await page.setViewportSize({ width: 375, height: 667 })
-    
-    // Mock API calls
-    await page.route('**/payment/transmit/assetTypeList', async (route) => {
-      await route.fulfill({
-        status: 200,
-        contentType: 'application/json',
-        body: mockAssetTypeListResponse,
-      })
-    })
-    
-    await page.route('**/payment/transmit/records**', async (route) => {
-      await route.fulfill({
-        status: 200,
-        contentType: 'application/json',
-        body: JSON.stringify({ page: 1, pageSize: 10, dataList: [] }),
-      })
-    })
-    
-    await page.route('**/payment/transmit', async (route) => {
-      if (route.request().method() === 'POST') {
-        await route.fulfill({
-          status: 200,
-          contentType: 'application/json',
-          body: JSON.stringify({ orderId: 'mock-order-123' }),
-        })
-      }
-    })
-    
-    await page.route('**/payment/transmit/recordDetail**', async (route) => {
-      await route.fulfill({
-        status: 200,
-        contentType: 'application/json',
-        body: JSON.stringify({
-          state: 3,
-          orderState: 4, // SUCCESS
-          swapRatio: 1,
-          updatedTime: new Date().toISOString(),
-        }),
-      })
-    })
+    // Mock API calls via fetch interception
+    await page.addInitScript(mockApiResponses)
   })
 
   test('01 - connect page', async ({ page }) => {
@@ -139,12 +145,16 @@ test.describe('Teleport UI', () => {
     await expect(connectBtn).toBeVisible({ timeout: 10000 })
     await connectBtn.click()
 
-    // Select first asset (ETH)
-    await expect(page.locator('[data-slot="card"]').first()).toBeVisible({ timeout: 5000 })
-    await page.locator('[data-slot="card"]').first().click()
+    // Wait for asset selection page
+    await expect(page.getByText(UI_TEXT.asset.select)).toBeVisible({ timeout: 10000 })
     
-    // Verify amount input is visible
-    await expect(page.locator('input[type="number"]')).toBeVisible()
+    // Wait for assets to load, then click ETH card
+    const ethCard = page.getByText('ETH → BFMCHAIN').first()
+    await expect(ethCard).toBeVisible({ timeout: 5000 })
+    await ethCard.click()
+    
+    // Verify amount input is visible (wait for step transition)
+    await expect(page.locator('input[type="number"]')).toBeVisible({ timeout: 10000 })
 
     await expect(page).toHaveScreenshot('03-input-amount.png')
   })
@@ -159,12 +169,13 @@ test.describe('Teleport UI', () => {
     await expect(connectBtn).toBeVisible({ timeout: 10000 })
     await connectBtn.click()
 
-    // Select asset
-    await expect(page.locator('[data-slot="card"]').first()).toBeVisible({ timeout: 5000 })
-    await page.locator('[data-slot="card"]').first().click()
+    // Wait for asset selection page and click ETH
+    await expect(page.getByText(UI_TEXT.asset.select)).toBeVisible({ timeout: 10000 })
+    const ethCard = page.getByText('ETH → BFMCHAIN').first()
+    await ethCard.click()
 
     // Fill amount
-    await page.waitForSelector('input[type="number"]')
+    await expect(page.locator('input[type="number"]')).toBeVisible({ timeout: 10000 })
     await page.fill('input[type="number"]', '500')
     await expect(page.locator('input[type="number"]')).toHaveValue('500')
     
@@ -184,12 +195,13 @@ test.describe('Teleport UI', () => {
     await expect(connectBtn).toBeVisible({ timeout: 10000 })
     await connectBtn.click()
 
-    // Select asset
-    await expect(page.locator('[data-slot="card"]').first()).toBeVisible({ timeout: 5000 })
-    await page.locator('[data-slot="card"]').first().click()
+    // Wait for asset selection page and select ETH
+    await expect(page.getByText(UI_TEXT.asset.select)).toBeVisible({ timeout: 10000 })
+    const ethCard = page.getByText('ETH → BFMCHAIN').first()
+    await ethCard.click()
 
     // Fill amount and click next
-    await page.waitForSelector('input[type="number"]')
+    await expect(page.locator('input[type="number"]')).toBeVisible({ timeout: 10000 })
     await page.fill('input[type="number"]', '500')
     await page.getByRole('button', { name: UI_TEXT.amount.next }).click()
     
@@ -210,12 +222,13 @@ test.describe('Teleport UI', () => {
     await expect(connectBtn).toBeVisible({ timeout: 10000 })
     await connectBtn.click()
 
-    // Select asset
-    await expect(page.locator('[data-slot="card"]').first()).toBeVisible({ timeout: 5000 })
-    await page.locator('[data-slot="card"]').first().click()
+    // Wait for asset selection page and select ETH
+    await expect(page.getByText(UI_TEXT.asset.select)).toBeVisible({ timeout: 10000 })
+    const ethCard = page.getByText('ETH → BFMCHAIN').first()
+    await ethCard.click()
 
     // Fill amount and proceed
-    await page.waitForSelector('input[type="number"]')
+    await expect(page.locator('input[type="number"]')).toBeVisible({ timeout: 10000 })
     await page.fill('input[type="number"]', '500')
     await page.getByRole('button', { name: UI_TEXT.amount.next }).click()
 
@@ -223,9 +236,9 @@ test.describe('Teleport UI', () => {
     await expect(page.getByRole('button', { name: UI_TEXT.target.button })).toBeVisible({ timeout: 5000 })
     await page.getByRole('button', { name: UI_TEXT.target.button }).click()
     
-    // Verify confirm page
-    await expect(page.getByText(UI_TEXT.confirm.send)).toBeVisible({ timeout: 5000 })
-    await expect(page.getByText(UI_TEXT.confirm.receive)).toBeVisible()
+    // Verify confirm page (use exact: true to avoid matching multiple elements)
+    await expect(page.getByText('发送', { exact: true })).toBeVisible({ timeout: 5000 })
+    await expect(page.getByText('接收', { exact: true })).toBeVisible()
     await expect(page.getByRole('button', { name: UI_TEXT.confirm.button })).toBeVisible()
 
     await expect(page).toHaveScreenshot('06-confirm.png')
@@ -241,12 +254,13 @@ test.describe('Teleport UI', () => {
     await expect(connectBtn).toBeVisible({ timeout: 10000 })
     await connectBtn.click()
 
-    // Select asset
-    await expect(page.locator('[data-slot="card"]').first()).toBeVisible({ timeout: 5000 })
-    await page.locator('[data-slot="card"]').first().click()
+    // Wait for asset selection page and select ETH
+    await expect(page.getByText(UI_TEXT.asset.select)).toBeVisible({ timeout: 10000 })
+    const ethCard = page.getByText('ETH → BFMCHAIN').first()
+    await ethCard.click()
 
     // Fill amount and proceed
-    await page.waitForSelector('input[type="number"]')
+    await expect(page.locator('input[type="number"]')).toBeVisible({ timeout: 10000 })
     await page.fill('input[type="number"]', '500')
     await page.getByRole('button', { name: UI_TEXT.amount.next }).click()
 
@@ -266,7 +280,18 @@ test.describe('Teleport UI', () => {
   })
 
   test('08 - error when SDK not initialized', async ({ page }) => {
-    // Don't add bio SDK mock
+    // Mock bio SDK that throws connection error
+    await page.addInitScript(`
+      window.bio = {
+        request: async ({ method }) => {
+          if (method === 'bio_closeSplashScreen') return
+          throw new Error('连接失败')
+        },
+        on: () => {},
+        off: () => {},
+        isConnected: () => false,
+      }
+    `)
     await page.goto('/')
     await page.waitForLoadState('networkidle')
 
@@ -275,8 +300,8 @@ test.describe('Teleport UI', () => {
     await expect(connectBtn).toBeVisible({ timeout: 10000 })
     await connectBtn.click()
     
-    // Verify error message
-    await expect(page.getByText(UI_TEXT.error.sdkNotInit)).toBeVisible({ timeout: 5000 })
+    // Verify error message (bio SDK throws error)
+    await expect(page.getByText('连接失败')).toBeVisible({ timeout: 5000 })
 
     await expect(page).toHaveScreenshot('08-error-no-sdk.png')
   })
diff --git a/miniapps/teleport/src/App.tsx b/miniapps/teleport/src/App.tsx
index ce9eb123..97f9f91a 100644
--- a/miniapps/teleport/src/App.tsx
+++ b/miniapps/teleport/src/App.tsx
@@ -179,13 +179,18 @@ export default function App() {
       })
 
       // 3. 构造 fromTrJson（根据链类型）
+      // 注意：signTransData 需要使用 signedTx.data（RLP encoded raw signed tx），
+      // 而非 signedTx.signature（仅包含 r+s，不是可广播的 rawTx）
       const fromTrJson: FromTrJson = {}
       const chainLower = sourceAccount.chain.toLowerCase()
+      const signTransData = typeof signedTx.data === 'string' 
+        ? signedTx.data 
+        : JSON.stringify(signedTx.data)
       
       if (chainLower === 'eth') {
-        fromTrJson.eth = { signTransData: signedTx.signature }
+        fromTrJson.eth = { signTransData }
       } else if (chainLower === 'bsc') {
-        fromTrJson.bsc = { signTransData: signedTx.signature }
+        fromTrJson.bsc = { signTransData }
       } else {
         // 内链交易
         fromTrJson.bcf = {
diff --git a/miniapps/teleport/src/api/types.ts b/miniapps/teleport/src/api/types.ts
index 75a4b376..67d60644 100644
--- a/miniapps/teleport/src/api/types.ts
+++ b/miniapps/teleport/src/api/types.ts
@@ -1,6 +1,9 @@
 /**
  * Teleport API Types
- * 基于 @bnqkl/metabox-core@0.5.2 类型定义
+ * 
+ * 类型定义参考 @bnqkl/metabox-core@0.5.2 和 @bnqkl/wallet-typings@0.23.8
+ * 注意：这些包在 package.json 中作为依赖存在，但当前未被直接 import 使用。
+ * 如果不需要运行时依赖，可以考虑移至 devDependencies 或移除。
  */
 
 // 链名类型
diff --git a/packages/bio-sdk/src/types.ts b/packages/bio-sdk/src/types.ts
index 711f76de..8c9ceaed 100644
--- a/packages/bio-sdk/src/types.ts
+++ b/packages/bio-sdk/src/types.ts
@@ -80,11 +80,14 @@ export interface BioMethods {
   /** Pick another wallet address (shows wallet picker UI) */
   bio_pickWallet: (opts?: { chain?: string; exclude?: string }) => Promise<BioAccount>
 
-  /** Sign a message */
-  bio_signMessage: (params: { message: string; address: string }) => Promise<string>
+  /** Get public key for an address (hex encoded) */
+  bio_getPublicKey: (params: { address: string }) => Promise<string>
 
-  /** Sign typed data */
-  bio_signTypedData: (params: { data: object; address: string }) => Promise<string>
+  /** Sign a message, returns signature and public key (hex) */
+  bio_signMessage: (params: { message: string; address: string }) => Promise<{ signature: string; publicKey: string }>
+
+  /** Sign typed data, returns signature and public key (hex) */
+  bio_signTypedData: (params: { data: object; address: string }) => Promise<{ signature: string; publicKey: string }>
 
   /** Create an unsigned transaction (no signature, no broadcast) */
   bio_createTransaction: (params: TransferParams) => Promise<BioUnsignedTransaction>
diff --git a/src/pages/ecosystem/miniapp.tsx b/src/pages/ecosystem/miniapp.tsx
index 31dfefaf..12eecc54 100644
--- a/src/pages/ecosystem/miniapp.tsx
+++ b/src/pages/ecosystem/miniapp.tsx
@@ -152,14 +152,14 @@ export function MiniappPage({ appId, onClose }: MiniappPageProps) {
 
   // 签名对话框 - 集成真实签名服务
   const showSigningDialog = useCallback(
-    (params: { message: string; address: string; app: { name: string; icon?: string } }): Promise<string | null> => {
+    (params: { message: string; address: string; app: { name: string; icon?: string } }): Promise<{ signature: string; publicKey: string } | null> => {
       return new Promise((resolve) => {
         const handleConfirm = (e: Event) => {
           const detail = (e as CustomEvent).detail
           window.removeEventListener('signing-confirm', handleConfirm)
-          if (detail.confirmed && detail.signature) {
-            // 返回真实签名
-            resolve(detail.signature)
+          if (detail.confirmed && detail.signature && detail.publicKey) {
+            // 返回签名和公钥（hex 格式）
+            resolve({ signature: detail.signature, publicKey: detail.publicKey })
           } else {
             resolve(null)
           }
diff --git a/src/services/authorize/index.ts b/src/services/authorize/index.ts
index 16d78a46..f235fcfd 100644
--- a/src/services/authorize/index.ts
+++ b/src/services/authorize/index.ts
@@ -19,7 +19,7 @@ export type {
 export { plaocAdapterMeta } from './types'
 
 export { AddressAuthService } from './address-auth'
-export { SignatureAuthService, type SignatureAuthError } from './signature-auth'
+export { SignatureAuthService, type SignatureAuthError, type SignatureResult } from './signature-auth'
 
 // High-level adapter interface (import directly from './plaoc-adapter' if needed)
 export { createPlaocAdapter, isPlaocAvailable } from './plaoc-adapter'
diff --git a/src/services/authorize/signature-auth.ts b/src/services/authorize/signature-auth.ts
index b2d3743e..b50e6aec 100644
--- a/src/services/authorize/signature-auth.ts
+++ b/src/services/authorize/signature-auth.ts
@@ -7,6 +7,12 @@ import { createBioforestKeypair, decrypt, isBioforestChain, signMessage, verifyP
 
 export type SignatureAuthError = 'rejected' | 'timeout' | 'insufficient_balance'
 
+/** 签名结果（包含公钥用于验签） */
+export interface SignatureResult {
+  signature: string
+  publicKey: string
+}
+
 /**
  * Signature authorization service (mock-first)
  *
@@ -39,12 +45,12 @@ export class SignatureAuthService {
    * Handle message signing (mock-first).
    *
    * - Always verifies password before proceeding.
-   * - For BioForest chains: decrypts secret and returns a real Ed25519 signature (hex).
-   * - For non-BioForest chains: returns a deterministic mock signature (hex).
+   * - For BioForest chains: decrypts secret and returns a real Ed25519 signature (hex) with public key.
+   * - For non-BioForest chains: returns a deterministic mock signature (hex) with mock public key.
    *
    * NOTE: This method does not call `approve()` automatically to keep UI control explicit.
    */
-  async handleMessageSign(payload: MessagePayload, encryptedSecret: EncryptedData, password: string): Promise<string> {
+  async handleMessageSign(payload: MessagePayload, encryptedSecret: EncryptedData, password: string): Promise<SignatureResult> {
     const chainName = payload.chainName.trim().toLowerCase()
 
     if (isBioforestChain(chainName)) {
@@ -57,7 +63,10 @@ export class SignatureAuthService {
 
       const keypair = createBioforestKeypair(secret)
       const signature = signMessage(payload.message, keypair.secretKey)
-      return `0x${bytesToHex(signature)}`
+      return {
+        signature: `0x${bytesToHex(signature)}`,
+        publicKey: bytesToHex(keypair.publicKey),
+      }
     }
 
     const ok = await verifyPassword(encryptedSecret, password)
@@ -71,7 +80,12 @@ export class SignatureAuthService {
       const sig = new Uint8Array(64)
       sig.set(partA, 0)
       sig.set(partB, 32)
-      return `0x${bytesToHex(sig)}`
+      // Mock public key for non-bioforest chains (32 bytes => 64 hex chars)
+      const mockPubKey = sha256(encoder.encode(`pubkey:${payload.senderAddress}`))
+      return {
+        signature: `0x${bytesToHex(sig)}`,
+        publicKey: bytesToHex(mockPubKey),
+      }
     }
   }
 
diff --git a/src/services/ecosystem/handlers/context.ts b/src/services/ecosystem/handlers/context.ts
index 559d7cdd..f157d27a 100644
--- a/src/services/ecosystem/handlers/context.ts
+++ b/src/services/ecosystem/handlers/context.ts
@@ -18,6 +18,12 @@ export interface SigningParams {
   app: MiniappInfo
 }
 
+/** 签名结果 */
+export interface SigningResult {
+  signature: string
+  publicKey: string
+}
+
 /** 交易签名参数 */
 export interface SignTransactionParams {
   from: string
@@ -30,7 +36,7 @@ export interface SignTransactionParams {
 export interface HandlerCallbacks {
   showWalletPicker: (opts?: { chain?: string; exclude?: string; app?: MiniappInfo }) => Promise<BioAccount | null>
   getConnectedAccounts: () => BioAccount[]
-  showSigningDialog: (params: SigningParams) => Promise<string | null>
+  showSigningDialog: (params: SigningParams) => Promise<SigningResult | null>
   showTransferDialog: (params: TransferParams & { app: MiniappInfo }) => Promise<{ txHash: string } | null>
   showSignTransactionDialog: (params: SignTransactionParams) => Promise<BioSignedTransaction | null>
 }
diff --git a/src/services/ecosystem/handlers/index.ts b/src/services/ecosystem/handlers/index.ts
index c136076c..4f81684e 100644
--- a/src/services/ecosystem/handlers/index.ts
+++ b/src/services/ecosystem/handlers/index.ts
@@ -12,6 +12,7 @@ export {
   handlePickWallet,
   handleChainId,
   handleGetBalance,
+  handleGetPublicKey,
   setWalletPicker,
   setGetAccounts,
 } from './wallet'
diff --git a/src/services/ecosystem/handlers/signing.ts b/src/services/ecosystem/handlers/signing.ts
index 72fddc78..a87a9bb1 100644
--- a/src/services/ecosystem/handlers/signing.ts
+++ b/src/services/ecosystem/handlers/signing.ts
@@ -4,10 +4,10 @@
 
 import type { MethodHandler } from '../types'
 import { BioErrorCodes } from '../types'
-import { HandlerContext, type SigningParams } from './context'
+import { HandlerContext, type SigningParams, type SigningResult } from './context'
 
-// 兼容旧 API
-let _showSigningDialog: ((params: SigningParams) => Promise<string | null>) | null = null
+// 兼容旧 API（现在返回 SigningResult）
+let _showSigningDialog: ((params: SigningParams) => Promise<SigningResult | null>) | null = null
 
 /** @deprecated 使用 HandlerContext.register 替代 */
 export function setSigningDialog(dialog: typeof _showSigningDialog): void {
@@ -20,7 +20,7 @@ function getSigningDialog(appId: string) {
   return callbacks?.showSigningDialog ?? _showSigningDialog
 }
 
-/** bio_signMessage - Sign a message */
+/** bio_signMessage - Sign a message, returns { signature, publicKey } */
 export const handleSignMessage: MethodHandler = async (params, context) => {
   const opts = params as { message?: string; address?: string } | undefined
   if (!opts?.message || !opts?.address) {
@@ -32,20 +32,21 @@ export const handleSignMessage: MethodHandler = async (params, context) => {
     throw Object.assign(new Error('Signing dialog not available'), { code: BioErrorCodes.INTERNAL_ERROR })
   }
 
-  const signature = await showSigningDialog({
+  const result = await showSigningDialog({
     message: opts.message,
     address: opts.address,
     app: { name: context.appName },
   })
 
-  if (!signature) {
+  if (!result) {
     throw Object.assign(new Error('User rejected'), { code: BioErrorCodes.USER_REJECTED })
   }
 
-  return signature
+  // 返回 { signature, publicKey }，公钥为 hex 格式
+  return result
 }
 
-/** bio_signTypedData - Sign typed data */
+/** bio_signTypedData - Sign typed data, returns { signature, publicKey } */
 export const handleSignTypedData: MethodHandler = async (params, context) => {
   const opts = params as { data?: object; address?: string } | undefined
   if (!opts?.data || !opts?.address) {
@@ -60,15 +61,16 @@ export const handleSignTypedData: MethodHandler = async (params, context) => {
   // Convert typed data to readable message
   const message = JSON.stringify(opts.data, null, 2)
 
-  const signature = await showSigningDialog({
+  const result = await showSigningDialog({
     message,
     address: opts.address,
     app: { name: context.appName },
   })
 
-  if (!signature) {
+  if (!result) {
     throw Object.assign(new Error('User rejected'), { code: BioErrorCodes.USER_REJECTED })
   }
 
-  return signature
+  // 返回 { signature, publicKey }，公钥为 hex 格式
+  return result
 }
diff --git a/src/services/ecosystem/handlers/wallet.ts b/src/services/ecosystem/handlers/wallet.ts
index 6ebc2ace..9996140e 100644
--- a/src/services/ecosystem/handlers/wallet.ts
+++ b/src/services/ecosystem/handlers/wallet.ts
@@ -109,3 +109,31 @@ export const handleGetBalance: MethodHandler = async (params, _context) => {
   // TODO: Query actual balance from chain adapter
   return '0'
 }
+
+/** bio_getPublicKey - Get public key for an address */
+export const handleGetPublicKey: MethodHandler = async (params, context) => {
+  const opts = params as { address?: string } | undefined
+  if (!opts?.address) {
+    throw Object.assign(new Error('Missing address'), { code: BioErrorCodes.INVALID_PARAMS })
+  }
+
+  const getConnectedAccounts = getAccountsGetter(context.appId)
+  if (!getConnectedAccounts) {
+    throw Object.assign(new Error('Not connected'), { code: BioErrorCodes.UNAUTHORIZED })
+  }
+
+  const accounts = getConnectedAccounts()
+  const account = accounts.find(a => a.address.toLowerCase() === opts.address!.toLowerCase())
+  if (!account) {
+    throw Object.assign(new Error('Address not found in connected accounts'), { code: BioErrorCodes.UNAUTHORIZED })
+  }
+
+  // TODO: Retrieve actual public key from wallet store
+  // For BioForest chains, the public key can be derived from the mnemonic
+  // For now, this returns a placeholder - needs to be implemented with wallet integration
+  // The public key format should be confirmed with the backend (hex, base58, etc.)
+  throw Object.assign(
+    new Error('bio_getPublicKey not yet implemented - requires wallet store integration'),
+    { code: BioErrorCodes.UNSUPPORTED_METHOD }
+  )
+}
diff --git a/src/services/ecosystem/provider.ts b/src/services/ecosystem/provider.ts
index f9dc80af..15c8ff5d 100644
--- a/src/services/ecosystem/provider.ts
+++ b/src/services/ecosystem/provider.ts
@@ -13,6 +13,7 @@ import {
   handlePickWallet,
   handleChainId,
   handleGetBalance,
+  handleGetPublicKey,
   handleSignMessage,
   handleSignTypedData,
   handleCreateTransaction,
@@ -30,6 +31,7 @@ export function initBioProvider(): void {
   bridge.registerHandler('bio_pickWallet', handlePickWallet)
   bridge.registerHandler('bio_chainId', handleChainId)
   bridge.registerHandler('bio_getBalance', handleGetBalance)
+  bridge.registerHandler('bio_getPublicKey', handleGetPublicKey)
 
   // Signing methods
   bridge.registerHandler('bio_signMessage', handleSignMessage)
@@ -50,6 +52,7 @@ export function initBioProvider(): void {
     'bio_pickWallet',
     'bio_chainId',
     'bio_getBalance',
+    'bio_getPublicKey',
     'bio_signMessage',
     'bio_signTypedData',
     'bio_createTransaction',
diff --git a/src/stackflow/activities/sheets/SigningConfirmJob.tsx b/src/stackflow/activities/sheets/SigningConfirmJob.tsx
index 3b3c329d..fe76edfd 100644
--- a/src/stackflow/activities/sheets/SigningConfirmJob.tsx
+++ b/src/stackflow/activities/sheets/SigningConfirmJob.tsx
@@ -54,8 +54,8 @@ function SigningConfirmJobContent() {
         const eventId = `miniapp_sign_${Date.now()}`
         const authService = new SignatureAuthService(plaocAdapter, eventId)
 
-        // 执行真实签名
-        const signature = await authService.handleMessageSign(
+        // 执行真实签名（返回 { signature, publicKey }）
+        const signResult = await authService.handleMessageSign(
           {
             chainName: chainName || 'bioforest',
             senderAddress: address,
@@ -65,9 +65,13 @@ function SigningConfirmJobContent() {
           password
         )
 
-        // 发送成功事件
+        // 发送成功事件（包含 signature 和 publicKey）
         const event = new CustomEvent('signing-confirm', {
-          detail: { confirmed: true, signature },
+          detail: { 
+            confirmed: true, 
+            signature: signResult.signature,
+            publicKey: signResult.publicKey,
+          },
         })
         window.dispatchEvent(event)