diff --git a/packages/detection/src/platforms/cto51.js b/packages/detection/src/platforms/cto51.js
index 781c097..d32c2fd 100644
--- a/packages/detection/src/platforms/cto51.js
+++ b/packages/detection/src/platforms/cto51.js
@@ -6,20 +6,16 @@ import { convertAvatarToBase64 } from '../utils.js'
  * 1. Fetch publish page (authenticated) — if it contains blog user ID, user is logged in
  * 2. Extract avatar from publish page
  * 3. Fetch user profile page (public) to extract username from title
- *
- * Note: Cookie-based login check (_identity) is unreliable because different
- * login flows may not set _identity. Instead we use the publish page response
- * as the definitive login indicator.
  */
 export async function detectCTO51User() {
     try {
-        console.log('[COSE] 51CTO Detection: Fetching publish page')
+        console.log('[COSE] 51CTO Detection: Starting')
 
         let username = ''
         let avatar = ''
         let blogUserId = ''
 
-        // Fetch publish page (requires auth, cookies are sent correctly)
+        // Fetch publish page (requires auth)
         const publishResp = await fetch('https://blog.51cto.com/blogger/publish', {
             method: 'GET',
             credentials: 'include',
@@ -28,18 +24,16 @@ export async function detectCTO51User() {
         })
         const publishHtml = await publishResp.text()
 
-        // Extract blog user ID from profile link: href="https://blog.51cto.com/15736437"
+        // Extract blog user ID from profile link
         const blogIdMatch = publishHtml.match(/blog\.51cto\.com\/(\d{5,})/)
         if (!blogIdMatch) {
-            // No blog user ID means not logged in (redirected to login page)
             console.log('[COSE] 51CTO: Not logged in (no blog user ID in publish page)')
             return { loggedIn: false }
         }
         blogUserId = blogIdMatch[1]
         console.log(`[COSE] 51CTO blog user ID: ${blogUserId}`)
 
-        // Extract avatar from publish page nav: <img data-uid="..." src="https://s2.51cto.com/oss/...">
-        // Skip default placeholder (noavatar)
+        // Extract avatar from publish page nav
         const avatarMatch = publishHtml.match(/<img[^>]*data-uid=["']\d+["'][^>]*src=["'](https?:\/\/[^"']+)["']/i) ||
             publishHtml.match(/<img[^>]*src=["'](https:\/\/s[0-9]*\.51cto\.com\/oss\/[^"']+)["'][^>]*data-uid/i)
         if (avatarMatch && !avatarMatch[1].includes('noavatar')) {
@@ -53,8 +47,6 @@ export async function detectCTO51User() {
                 headers: { 'Accept': 'text/html' },
             })
             const profileHtml = await profileResp.text()
-
-            // Extract username from page title: "xxxxx的博客_..."
             const nickMatch = profileHtml.match(/<title>([^<]+?)的博客/)
             if (nickMatch) {
                 username = nickMatch[1].trim()
@@ -65,7 +57,6 @@ export async function detectCTO51User() {
 
         console.log(`[COSE] 51CTO user info: ${username}, avatar: ${avatar ? 'found' : 'not found'}`)
 
-        // Convert 51cto.com avatar to base64 data URL to bypass CORS/ORB
         if (avatar && avatar.includes('51cto.com')) {
             avatar = await convertAvatarToBase64(avatar, 'https://blog.51cto.com/')
         }