diff --git a/.github/scripts/build_lunatranslator.py b/.github/scripts/build_lunatranslator.py
index a8d1e7082bf..c04d1bbf03c 100644
--- a/.github/scripts/build_lunatranslator.py
+++ b/.github/scripts/build_lunatranslator.py
@@ -263,36 +263,24 @@ def buildPlugins(arch):
 def downloadbass():
 
     os.chdir(rootDir + "\\temp")
-    subprocess.run(f"curl -LO https://www.un4seen.com/files/bass24.zip")
-    subprocess.run(f"7z x bass24.zip -obass24")
-    shutil.move(
-        "bass24/bass.dll",
-        f"{rootDir}/files/plugins/DLL32",
-    )
-    shutil.move(
-        "bass24/x64/bass.dll",
-        f"{rootDir}/files/plugins/DLL64",
-    )
-    subprocess.run(f"curl -LO https://www.un4seen.com/files/z/2/bass_spx24.zip")
-    subprocess.run(f"7z x bass_spx24.zip -obass_spx24")
-    shutil.move(
-        "bass_spx24/bass_spx.dll",
-        f"{rootDir}/files/plugins/DLL32",
-    )
-    shutil.move(
-        "bass_spx24/x64/bass_spx.dll",
-        f"{rootDir}/files/plugins/DLL64",
-    )
-    subprocess.run(f"curl -LO https://www.un4seen.com/files/z/2/bass_aac24.zip")
-    subprocess.run(f"7z x bass_aac24.zip -obass_aac24")
-    shutil.move(
-        "bass_aac24/bass_aac.dll",
-        f"{rootDir}/files/plugins/DLL32",
-    )
-    shutil.move(
-        "bass_aac24/x64/bass_aac.dll",
-        f"{rootDir}/files/plugins/DLL64",
-    )
+    for link in (
+        "https://www.un4seen.com/files/bass24.zip",
+        "https://www.un4seen.com/files/z/2/bass_spx24.zip",
+        "https://www.un4seen.com/files/z/2/bass_aac24.zip",
+        "https://www.un4seen.com/files/bassopus24.zip",
+    ):
+        name = link.split("/")[-1]
+        d = name.split(".")[0]
+        subprocess.run("curl -LO " + link)
+        subprocess.run(f"7z x {name} -o{d}")
+        shutil.move(
+            f"{d}/{d[:-2]}.dll",
+            f"{rootDir}/files/plugins/DLL32",
+        )
+        shutil.move(
+            f"{d}/x64/{d[:-2]}.dll",
+            f"{rootDir}/files/plugins/DLL64",
+        )
 
 
 if __name__ == "__main__":
diff --git a/py/LunaTranslator/cishu/mdict.py b/py/LunaTranslator/cishu/mdict.py
index ffe9c353dc5..5326da4dc14 100644
--- a/py/LunaTranslator/cishu/mdict.py
+++ b/py/LunaTranslator/cishu/mdict.py
@@ -2276,7 +2276,7 @@ def tryloadurl(self, index: IndexBuilder, base, url: str, audiob64vals: dict):
             if not file_content:
                 return
             ext = os.path.splitext(url)[1].lower()
-            if ext in (".aac", ".spx"):
+            if ext in (".aac", ".spx", ".opus"):
                 mp3 = bass_decode(file_content, ext)
                 if not mp3:
                     print(ext, "decode error")
diff --git a/py/LunaTranslator/myutils/audioplayer.py b/py/LunaTranslator/myutils/audioplayer.py
index d0d4f9aa6f4..3c6463b44ae 100644
--- a/py/LunaTranslator/myutils/audioplayer.py
+++ b/py/LunaTranslator/myutils/audioplayer.py
@@ -141,7 +141,7 @@ def __stop(self):
 
 BASS_Init(-1, 44100, 0, 0, 0)
 # https://www.un4seen.com/
-plugins = {".spx": "bass_spx.dll", ".aac": "bass_aac.dll"}
+plugins = {".spx": "bass_spx.dll", ".aac": "bass_aac.dll", ".opus": "bassopus.dll"}
 
 pluginshandle = {}