diff --git a/GenshinUID/genshinuid_wikitext/get_weapons_pic.py b/GenshinUID/genshinuid_wikitext/get_weapons_pic.py
index c43b9cac..31ebae6f 100644
--- a/GenshinUID/genshinuid_wikitext/get_weapons_pic.py
+++ b/GenshinUID/genshinuid_wikitext/get_weapons_pic.py
@@ -195,7 +195,7 @@ async def draw_weapons_wiki_img(data: Weapon, stats: WeaponStats):
             if _cost_pic is None:
                 cost_pic = get_unknown_png()
             else:
-                cost_pic = _cost_pic.resize((64, 64))
+                cost_pic = _cost_pic.convert('RGBA').resize((64, 64))
 
             if not cost_pos and material['materialtype'] == '武器突破素材':
                 pos = material['dropdomain']
diff --git a/GenshinUID/utils/get_assets.py b/GenshinUID/utils/get_assets.py
index 4ac5b1ba..a67dee02 100644
--- a/GenshinUID/utils/get_assets.py
+++ b/GenshinUID/utils/get_assets.py
@@ -19,8 +19,10 @@ async def _get_assets(
         return Image.open(path)
     if type == 'AMBR':
         URL = AMBR_UI
+        EURL = ENKA_UI
     else:
         URL = ENKA_UI
+        EURL = AMBR_UI
     async with ClientSession() as sess:
         async with sess.get(URL.format(name)) as res:
             if res.status == 200:
@@ -29,7 +31,14 @@ async def _get_assets(
                     await f.write(content)
                 return Image.open(BytesIO(content))
             else:
-                return None
+                async with sess.get(EURL.format(name)) as res:
+                    if res.status == 200:
+                        content = await res.read()
+                        async with aiofiles.open(path, 'wb') as f:
+                            await f.write(content)
+                        return Image.open(BytesIO(content))
+                    else:
+                        return None
 
 
 async def get_assets_from_enka(name: str) -> Optional[Image.Image]:
diff --git a/GenshinUID/utils/image/texture2d/unknown.png b/GenshinUID/utils/image/texture2d/unknown.png
new file mode 100644
index 00000000..2626f316
Binary files /dev/null and b/GenshinUID/utils/image/texture2d/unknown.png differ