diff --git a/auto_run.bat b/auto_run.bat
index 2c5a994..ddafb61 100644
--- a/auto_run.bat
+++ b/auto_run.bat
@@ -13,15 +13,12 @@ if not exist python\python.exe (
     python\python.exe -c "import urllib.request; exec(urllib.request.urlopen('https://bootstrap.pypa.io/get-pip.py').read())"
 )
 
-:: ---- 2. Instalar watchdog para auto-pull ----
-python\python.exe -m pip install -q watchdog 2>nul
-
-:: ---- 3. Pull inicial ----
+:: ---- 2. Pull inicial ----
 echo [%date% %time%] Pull inicial...
 git pull
 python\python.exe -m pip install -q -r requirements.txt 2>nul
 
-:: ---- 4. Arrancar con auto-pull cada 60s ----
+:: ---- 3. Arrancar con auto-pull cada 60s ----
 echo.
 echo ==========================================
 echo  Servidor: http://localhost:8080
@@ -29,22 +26,4 @@ echo  Auto-update cada 60 segundos
 echo  Cerra esta ventana para detener
 echo ==========================================
 
-python\python.exe -c "
-import uvicorn, sys, subprocess, threading, time
-from pathlib import Path
-
-root = Path(__file__).parent.resolve()
-sys.path.insert(0, str(root))
-
-def auto_puller():
-    while True:
-        time.sleep(60)
-        try:
-            subprocess.run(['git', 'pull'], cwd=root, capture_output=True, text=True, timeout=30)
-            subprocess.run([sys.executable, '-m', 'pip', 'install', '-q', '-r', 'requirements.txt'], cwd=root, capture_output=True, timeout=30)
-        except:
-            pass
-
-threading.Thread(target=auto_puller, daemon=True).start()
-uvicorn.run('main:app', host='0.0.0.0', port=8080, reload=True)
-"
+python\python.exe auto_update.py
diff --git a/auto_update.py b/auto_update.py
new file mode 100644
index 0000000..158321e
--- /dev/null
+++ b/auto_update.py
@@ -0,0 +1,23 @@
+import subprocess, threading, time, sys, os
+from pathlib import Path
+
+root = Path(__file__).parent.resolve()
+
+def pull_loop():
+    while True:
+        time.sleep(60)
+        try:
+            r = subprocess.run(['git', 'pull'], cwd=root, capture_output=True, text=True, timeout=30)
+            if r.stdout.strip():
+                print(f"[auto] git pull: {r.stdout.strip()}")
+            subprocess.run([sys.executable, '-m', 'pip', 'install', '-q', '-r', 'requirements.txt'],
+                         cwd=root, capture_output=True, timeout=30)
+        except Exception as e:
+            print(f"[auto] pull error: {e}")
+
+threading.Thread(target=pull_loop, daemon=True).start()
+os.chdir(root)
+sys.path.insert(0, str(root))
+
+import uvicorn, main
+uvicorn.run('main:app', host='0.0.0.0', port=8080, reload=True)