diff --git a/g4f/Provider/needs_auth/GeminiPro.py b/g4f/Provider/needs_auth/GeminiPro.py
index b0d5b935..3a35d3cf 100644
--- a/g4f/Provider/needs_auth/GeminiPro.py
+++ b/g4f/Provider/needs_auth/GeminiPro.py
@@ -3,7 +3,6 @@ from __future__ import annotations
 import base64
 import json
 import requests
-import random
 from typing import Optional
 from aiohttp import ClientSession, BaseConnector
 
@@ -109,10 +108,10 @@ class GeminiPro(AsyncGeneratorProvider, ProviderModelMixin):
             ]
             if media is not None:
                 for media_data, filename in media:
-                    image = to_bytes(image)
+                    media_data = to_bytes(media_data)
                     contents[-1]["parts"].append({
                         "inline_data": {
-                            "mime_type": is_data_an_media(image, filename),
+                            "mime_type": is_data_an_media(media_data, filename),
                             "data": base64.b64encode(media_data).decode()
                         }
                     })
diff --git a/g4f/gui/server/backend_api.py b/g4f/gui/server/backend_api.py
index 607026bf..2b69123e 100644
--- a/g4f/gui/server/backend_api.py
+++ b/g4f/gui/server/backend_api.py
@@ -135,9 +135,14 @@ class Backend_Api(Api):
                 else:
                     json_data["provider"] = models.HuggingFace
             if app.demo:
+                ip = request.headers.get("X-Forwarded-For", "")
+                ip_bans = Path(get_cookies_dir()) / ".ip_bans"
+                if ip_bans.exists():
+                    ip_bans = ip_bans.read_text().splitlines()
+                    if (ip and ip in ip_bans):
+                        return "You are banned from using this service.", 403
                 user = request.headers.get("Cf-Ipcountry", "")
-                ip = request.headers.get("X-Forwarded-For", "").split(":")[-1]
-                json_data["user"] = request.headers.get("x_user", f"{user}:{ip}")
+                json_data["user"] = request.headers.get("x_user", f"{user}:{ip.split(':')[-1]}")
                 json_data["referer"] = request.headers.get("referer", "")
                 json_data["user-agent"] = request.headers.get("user-agent", "")
                 if not json_data.get("referer") or "python" in json_data.get("user-agent", "").lower():
diff --git a/g4f/image/__init__.py b/g4f/image/__init__.py
index 92944ab7..180b366a 100644
--- a/g4f/image/__init__.py
+++ b/g4f/image/__init__.py
@@ -7,6 +7,7 @@ import base64
 from io import BytesIO
 from pathlib import Path
 from typing import Optional
+from urllib.parse import urlparse
 
 try:
     from PIL import Image, ImageOps
@@ -16,6 +17,7 @@ except ImportError:
 
 from ..typing import ImageType
 from ..errors import MissingRequirementsError
+from ..tools.files import get_bucket_dir
 
 EXTENSIONS_MAP: dict[str, str] = {
     # Image
@@ -241,15 +243,26 @@ def to_bytes(image: ImageType) -> bytes:
     """
     if isinstance(image, bytes):
         return image
-    elif isinstance(image, str) and image.startswith("data:"):
-        is_data_an_media(image)
-        return extract_data_uri(image)
+    elif isinstance(image, str):
+        if image.startswith("data:"):
+            is_data_uri_an_image(image)
+            return extract_data_uri(image)
+        elif image.startswith("http://") or image.startswith("https://"):
+            path: str = urlparse(image).path
+            if path.startswith("/files/"):
+                path = get_bucket_dir(path.split(path, "/")[1:])
+                if os.path.exists(path):
+                    return Path(path).read_bytes()
+                else:
+                    raise FileNotFoundError(f"File not found: {path}")
+        else:
+            raise ValueError("Invalid image format. Expected bytes, str, or PIL Image.")
     elif isinstance(image, Image):
         bytes_io = BytesIO()
         image.save(bytes_io, image.format)
         image.seek(0)
         return bytes_io.getvalue()
-    elif isinstance(image, (str, os.PathLike)):
+    elif isinstance(image, os.PathLike):
         return Path(image).read_bytes()
     elif isinstance(image, Path):
         return image.read_bytes()
diff --git a/g4f/image/copy_images.py b/g4f/image/copy_images.py
index 4220128d..ce011c74 100644
--- a/g4f/image/copy_images.py
+++ b/g4f/image/copy_images.py
@@ -70,7 +70,8 @@ async def save_response_media(response, prompt: str, tags: list[str]) -> AsyncIt
         raise ValueError(f"Unsupported media type: {content_type}")
 
     filename = get_filename(tags, prompt, f".{extension}", prompt)
-    filename = update_filename(response, filename)
+    if hasattr(response, "headers"):
+        filename = update_filename(response, filename)
     target_path = os.path.join(get_media_dir(), filename)
     ensure_media_dir()
     with open(target_path, 'wb') as f: