diff --git a/backend/src/main.py b/backend/src/main.py
index 987b5589..076ac06f 100644
--- a/backend/src/main.py
+++ b/backend/src/main.py
@@ -36,7 +36,7 @@ def create_app() -> FastAPI:
 
 
 app = create_app()
-
+app.mount("/posters", StaticFiles(directory="data/posters"), name="posters")
 
 if VERSION != "DEV_VERSION":
     app.mount("/assets", StaticFiles(directory="dist/assets"), name="assets")
@@ -58,6 +58,9 @@ else:
         return RedirectResponse("/docs")
 
 
+
+
+
 if __name__ == "__main__":
     if os.getenv("IPV6"):
         host = "::"
diff --git a/backend/src/module/checker/checker.py b/backend/src/module/checker/checker.py
index b39e312d..c4c71397 100644
--- a/backend/src/module/checker/checker.py
+++ b/backend/src/module/checker/checker.py
@@ -75,6 +75,15 @@ class Checker:
             logger.error(f"[Checker] Downloader connect failed: {e}")
             return False
 
+    @staticmethod
+    def check_img_cache() -> bool:
+        img_path = Path("data/posters")
+        if img_path.exists():
+            return True
+        else:
+            img_path.mkdir()
+            return False
+
 
 if __name__ == "__main__":
     # print(Checker().check_downloader())
diff --git a/backend/src/module/core/program.py b/backend/src/module/core/program.py
index 0a50da47..ee73c5f5 100644
--- a/backend/src/module/core/program.py
+++ b/backend/src/module/core/program.py
@@ -2,7 +2,7 @@ import logging
 
 from module.conf import VERSION, settings
 from module.models import ResponseModel
-from module.update import data_migration, first_run, from_30_to_31, start_up
+from module.update import data_migration, first_run, from_30_to_31, start_up, cache_image
 
 from .sub_thread import RenameThread, RSSThread
 
@@ -46,6 +46,9 @@ class Program(RenameThread, RSSThread):
             # Update database
             from_30_to_31()
             logger.info("[Core] Database updated.")
+        if not self.img_cache:
+            logger.info("[Core] No image cache exists, create image cache.")
+            cache_image()
         self.start()
 
     def start(self):
diff --git a/backend/src/module/core/status.py b/backend/src/module/core/status.py
index 5e55e42a..152e4988 100644
--- a/backend/src/module/core/status.py
+++ b/backend/src/module/core/status.py
@@ -54,3 +54,7 @@ class ProgramStatus(Checker):
     @property
     def database(self):
         return self.check_database()
+
+    @property
+    def img_cache(self):
+        return self.check_img_cache()
diff --git a/backend/src/module/parser/analyser/mikan_parser.py b/backend/src/module/parser/analyser/mikan_parser.py
index 7cc30d20..b498b449 100644
--- a/backend/src/module/parser/analyser/mikan_parser.py
+++ b/backend/src/module/parser/analyser/mikan_parser.py
@@ -2,6 +2,7 @@ from bs4 import BeautifulSoup
 from urllib3.util import parse_url
 
 from module.network import RequestContent
+from module.utils import save_image
 
 
 def mikan_parser(homepage: str):
@@ -9,13 +10,14 @@ def mikan_parser(homepage: str):
     with RequestContent() as req:
         content = req.get_html(homepage)
         soup = BeautifulSoup(content, "html.parser")
-        poster_div = soup.find("div", {"class": "bangumi-poster"})
-        poster_style = poster_div.get("style")
+        poster_div = soup.find("div", {"class": "bangumi-poster"}).get("style")
         official_title = soup.select_one(
             'p.bangumi-title a[href^="/Home/Bangumi/"]'
         ).text
-        if poster_style:
-            poster_path = poster_style.split("url('")[1].split("')")[0]
-            poster_link = f"https://{root_path}{poster_path}"
+        if poster_div:
+            poster_path = poster_div.split("url('")[1].split("')")[0]
+            img = req.get_content(f"https://{root_path}{poster_path}")
+            suffix = poster_path.split(".")[-1]
+            poster_link = save_image(img, suffix)
             return poster_link, official_title
         return "", ""
diff --git a/backend/src/module/parser/analyser/tmdb_parser.py b/backend/src/module/parser/analyser/tmdb_parser.py
index cbab5dcd..7dfd7b72 100644
--- a/backend/src/module/parser/analyser/tmdb_parser.py
+++ b/backend/src/module/parser/analyser/tmdb_parser.py
@@ -4,6 +4,7 @@ from dataclasses import dataclass
 
 from module.conf import TMDB_API
 from module.network import RequestContent
+from module.utils import save_image
 
 TMDB_URL = "https://api.themoviedb.org"
 
@@ -85,7 +86,8 @@ def tmdb_parser(title, language) -> TMDBInfo | None:
             official_title = info_content.get("name")
             year_number = info_content.get("first_air_date").split("-")[0]
             if poster_path:
-                poster_link = "https://image.tmdb.org/t/p/w300" + poster_path
+                img = req.get_content(f"https://image.tmdb.org/t/p/w780{poster_path}")
+                poster_link = save_image(img, "jpg")
             else:
                 poster_link = None
             return TMDBInfo(
diff --git a/backend/src/module/update/__init__.py b/backend/src/module/update/__init__.py
index dffc9cce..b53c09f7 100644
--- a/backend/src/module/update/__init__.py
+++ b/backend/src/module/update/__init__.py
@@ -1,4 +1,4 @@
-from .cross_version import from_30_to_31
+from .cross_version import from_30_to_31, cache_image
 from .data_migration import data_migration
 from .startup import first_run, start_up
 from .version_check import version_check
diff --git a/backend/src/module/update/cross_version.py b/backend/src/module/update/cross_version.py
index 047e7ae0..701241b2 100644
--- a/backend/src/module/update/cross_version.py
+++ b/backend/src/module/update/cross_version.py
@@ -3,6 +3,8 @@ import re
 from urllib3.util import parse_url
 
 from module.rss import RSSEngine
+from module.utils import save_image
+from module.network import RequestContent
 
 
 def from_30_to_31():
@@ -28,3 +30,17 @@ def from_30_to_31():
             else:
                 aggregate = False
             db.add_rss(rss_link=rss, aggregate=aggregate)
+
+
+def cache_image():
+    with RSSEngine() as db, RequestContent() as req:
+        bangumis = db.bangumi.search_all()
+        for bangumi in bangumis:
+            if bangumi.poster_link:
+                # Hash local path
+                img = req.get_content(bangumi.poster_link)
+                suffix = bangumi.poster_link.split(".")[-1]
+                img_path = save_image(img, suffix)
+                bangumi.poster_link = img_path
+        db.bangumi.update_all(bangumis)
+
diff --git a/backend/src/module/utils/__init__.py b/backend/src/module/utils/__init__.py
index 8b137891..a95499d6 100644
--- a/backend/src/module/utils/__init__.py
+++ b/backend/src/module/utils/__init__.py
@@ -1 +1 @@
-
+from .cache_image import save_image, load_image
\ No newline at end of file
diff --git a/backend/src/module/utils/cache_image.py b/backend/src/module/utils/cache_image.py
new file mode 100644
index 00000000..2753f3e6
--- /dev/null
+++ b/backend/src/module/utils/cache_image.py
@@ -0,0 +1,14 @@
+import hashlib
+
+
+def save_image(img, suffix):
+    img_hash = hashlib.md5(img).hexdigest()[0:8]
+    image_path = f"data/posters/{img_hash}.{suffix}"
+    with open(image_path, "wb") as f:
+        f.write(img)
+    return f"posters/{img_hash}.{suffix}"
+
+
+def load_image(img_path):
+    with open(f"data/images/{img_path}", "rb") as f:
+        return f.read()
diff --git a/webui/vite.config.ts b/webui/vite.config.ts
index 9dc2a439..49927ce1 100644
--- a/webui/vite.config.ts
+++ b/webui/vite.config.ts
@@ -103,6 +103,7 @@ export default defineConfig({
   server: {
     proxy: {
       '^/api/.*': 'http://127.0.0.1:7892',
+      '^/posters/.*': 'http://127.0.0.1:7892',
     },
   },
 });