diff --git a/src/lib/captcha.ts b/src/lib/captcha.ts
index 7056e71..86ad531 100644
--- a/src/lib/captcha.ts
+++ b/src/lib/captcha.ts
@@ -8,12 +8,14 @@ export interface CaptchaData {
 const CAPTCHA_SECRET = process.env.CAPTCHA_SECRET || 'default-secret-change-me'
 
 export function generateCaptcha(width = 200, height = 80): { text: string, data: string } {
+    console.log('[Captcha] Generating new captcha...')
     // 1. Generate random text (5 chars)
     const chars = 'ABCDEFGHJKLMNPQRSTUVWXYZ23456789' // Removed confusing chars like I, 1, 0, O
     let text = ''
     for (let i = 0; i < 5; i++) {
         text += chars.charAt(Math.floor(Math.random() * chars.length))
     }
+    console.log('[Captcha] Generated text:', text)
 
     // 2. Create SVG
     const bg = '#f3f4f6'
@@ -69,23 +71,39 @@ export function signCaptcha(text: string): string {
 }
 
 export function verifyCaptcha(input: string, hash: string): boolean {
-    if (!input || !hash) return false
+    if (!input || !hash) {
+        console.log('[Captcha] Missing input or hash')
+        return false
+    }
 
     const parts = hash.split('|')
-    if (parts.length !== 3) return false
+    if (parts.length !== 3) {
+        console.log('[Captcha] Invalid hash format')
+        return false
+    }
 
     const [originalText, expiresStr, signature] = parts
     const expires = parseInt(expiresStr, 10)
 
     // Check expiration
-    if (Date.now() > expires) return false
+    if (Date.now() > expires) {
+        console.log('[Captcha] Expired. Now:', Date.now(), 'Expires:', expires)
+        return false
+    }
 
     // Check signature integrity
     const expectedData = `${originalText}|${expiresStr}`
     const expectedSignature = createHmac('sha256', CAPTCHA_SECRET).update(expectedData).digest('hex')
 
-    if (signature !== expectedSignature) return false
+    if (signature !== expectedSignature) {
+        console.log('[Captcha] Signature mismatch')
+        return false
+    }
 
     // Check content match
-    return input.toUpperCase() === originalText
+    const isValid = input.toUpperCase() === originalText
+    if (!isValid) {
+        console.log('[Captcha] Text mismatch. Expected:', originalText, 'Got:', input.toUpperCase())
+    }
+    return isValid
 }