diff --git a/app/Dockerfile b/app/Dockerfile
index 06be4dd..8e76d23 100644
--- a/app/Dockerfile
+++ b/app/Dockerfile
@@ -27,8 +27,8 @@ COPY pyproject.toml .
 COPY uv.lock* .
 
 RUN uv sync --frozen
-RUN uv run playwright install chromium
-RUN uv run playwright install-deps chromium
+RUN uv run playwright install firefox
+RUN uv run playwright install-deps firefox
 
 # 只複製 app/ 的內容進去
 COPY . .
diff --git a/app/invoice_fetcher.py b/app/invoice_fetcher.py
index eca314d..e76ddbc 100644
--- a/app/invoice_fetcher.py
+++ b/app/invoice_fetcher.py
@@ -4,7 +4,7 @@ import os
 import time
 import asyncio
 import requests
-import anthropic
+from groq import Groq
 import urllib3
 import threading
 import captcha_state
@@ -28,7 +28,7 @@ load_dotenv("../.env")
 
 EINVOICE_USER = os.getenv("EINVOICE_USER")
 EINVOICE_PASS = os.getenv("EINVOICE_PASS")
-ANTHROPIC_API_KEY = os.getenv("ANTHROPIC_API_KEY")
+GROQ_API_KEY = os.getenv("GROQ_API_KEY")
 MY_USER_ID = os.getenv("LINE_USER_ID")
 
 cloudinary.config(
@@ -53,19 +53,20 @@ Base = declarative_base()
 #     created_at = Column(DateTime, default=datetime.now)
 
 def solve_captcha(img_b64: str) -> str:
-    client = anthropic.Anthropic(api_key=ANTHROPIC_API_KEY)
-    msg = client.messages.create(
-        model="claude-haiku-4-5-20251001",
+
+    # client = anthropic.Anthropic(api_key=ANTHROPIC_API_KEY)
+    # 改用groq
+    client = Groq(api_key=GROQ_API_KEY)
+    msg = client.chat.completions.create(
+        model="llama-3.2-11b-vision-preview",
         max_tokens=10,
         messages=[{
             "role": "user",
             "content": [
                 {
-                    "type": "image",
-                    "source": {
-                        "type": "base64",
-                        "media_type": "image/png",
-                        "data": img_b64
+                    "type": "image_url",
+                    "image_url": {
+                        "url": f"data:image/png;base64,{img_b64}"
                     }
                 },
                 {
@@ -75,7 +76,7 @@ def solve_captcha(img_b64: str) -> str:
             ]
         }]
     )
-    return msg.content[0].text.strip()
+    return msg.choices[0].message.content.strip()
 
 async def solve_captcha_manual(img_b64: str):
     # 1. 解碼圖片並轉成白底
@@ -137,7 +138,7 @@ async def login_and_get_token() -> str | None:
         try:
             async with async_playwright() as p:
                 # 載入登入頁拿 login_challenge
-                browser = await p.chromium.launch(headless=False)
+                browser = await p.firefox.launch(headless=True)
                 page = await browser.new_page()
                 await page.goto("https://www.einvoice.nat.gov.tw/accounts/login/mw")
                 await page.wait_for_timeout(8000)
@@ -160,7 +161,9 @@ async def login_and_get_token() -> str | None:
 
                 # 將拿到的圖片存成檔案穰後轉給linebot處理
                 # ✅ 透過 LINE Bot 取得驗證碼
-                captcha_text = await solve_captcha_manual(captcha_data["image"])
+                # captcha_text = await solve_captcha_manual(captcha_data["image"])
+                captcha_text = await solve_captcha(captcha_data["image"])
+
                 print(f"驗證碼: {captcha_text}")
 
                 # 登入
diff --git a/app/pyproject.toml b/app/pyproject.toml
index b8fdeea..adb6093 100644
--- a/app/pyproject.toml
+++ b/app/pyproject.toml
@@ -8,6 +8,7 @@ dependencies = [
     "anthropic>=0.84.0",
     "cloudinary>=1.44.1",
     "fastapi>=0.135.1",
+    "groq>=1.1.1",
     "line-bot-sdk>=3.22.0",
     "nest-asyncio>=1.6.0",
     "numpy>=2.4.2",
diff --git a/app/uv.lock b/app/uv.lock
index 47ee1fc..fe40915 100644
--- a/app/uv.lock
+++ b/app/uv.lock
@@ -157,6 +157,7 @@ dependencies = [
     { name = "anthropic" },
     { name = "cloudinary" },
     { name = "fastapi" },
+    { name = "groq" },
     { name = "line-bot-sdk" },
     { name = "nest-asyncio" },
     { name = "numpy" },
@@ -173,6 +174,7 @@ requires-dist = [
     { name = "anthropic", specifier = ">=0.84.0" },
     { name = "cloudinary", specifier = ">=1.44.1" },
     { name = "fastapi", specifier = ">=0.135.1" },
+    { name = "groq", specifier = ">=1.1.1" },
     { name = "line-bot-sdk", specifier = ">=3.22.0" },
     { name = "nest-asyncio", specifier = ">=1.6.0" },
     { name = "numpy", specifier = ">=2.4.2" },
@@ -440,6 +442,23 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/29/4b/45d90626aef8e65336bed690106d1382f7a43665e2249017e9527df8823b/greenlet-3.3.2-cp314-cp314t-win_amd64.whl", hash = "sha256:c04c5e06ec3e022cbfe2cd4a846e1d4e50087444f875ff6d2c2ad8445495cf1a", size = 237086, upload-time = "2026-02-20T20:20:45.786Z" },
 ]
 
+[[package]]
+name = "groq"
+version = "1.1.1"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "anyio" },
+    { name = "distro" },
+    { name = "httpx" },
+    { name = "pydantic" },
+    { name = "sniffio" },
+    { name = "typing-extensions" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/9f/bc/7ad1d9967c58b21cdec0c94f26f40fc37b07ba60715d6cbc7c7ef775d927/groq-1.1.1.tar.gz", hash = "sha256:ea971eca72d88e875a78567904bfb46a2f2e43907bfe400fc36a81150a4066d8", size = 150783, upload-time = "2026-03-11T09:11:32.027Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/8f/1d/0749c5f0ed76693f6a3a40e2b0c40201fa23e1ccb00e69d5aa63e3f5b0ff/groq-1.1.1-py3-none-any.whl", hash = "sha256:6b7932c0fd3189ad1842fbc294f57fbf014713e01f72037451cb60a138c4b846", size = 139650, upload-time = "2026-03-11T09:11:29.87Z" },
+]
+
 [[package]]
 name = "h11"
 version = "0.16.0"