diff --git a/astrbot/core/provider/sources/minimax_tts_api_source.py b/astrbot/core/provider/sources/minimax_tts_api_source.py
index f40cb968ab..7ca3697088 100644
--- a/astrbot/core/provider/sources/minimax_tts_api_source.py
+++ b/astrbot/core/provider/sources/minimax_tts_api_source.py
@@ -65,7 +65,7 @@ def __init__(
         self.audio_setting: dict = {
             "sample_rate": 32000,
             "bitrate": 128000,
-            "format": "mp3",
+            "format": "wav",
         }
 
         self.concat_base_url: str = f"{self.api_base}?GroupId={self.group_id}"
@@ -147,7 +147,7 @@ async def _audio_play(self, audio_stream: AsyncIterator[str]) -> bytes:
     async def get_audio(self, text: str) -> str:
         temp_dir = get_astrbot_temp_path()
         os.makedirs(temp_dir, exist_ok=True)
-        path = os.path.join(temp_dir, f"minimax_tts_api_{uuid.uuid4()}.mp3")
+        path = os.path.join(temp_dir, f"minimax_tts_api_{uuid.uuid4()}.wav")
 
         try:
             # 直接将异步生成器传递给 _audio_play 方法
diff --git a/astrbot/core/provider/sources/openrouter_source.py b/astrbot/core/provider/sources/openrouter_source.py
index e49d0c929a..a308ad309d 100644
--- a/astrbot/core/provider/sources/openrouter_source.py
+++ b/astrbot/core/provider/sources/openrouter_source.py
@@ -20,3 +20,4 @@ def __init__(
         self.client._custom_headers["X-OpenRouter-Categories"] = (
             "general-chat,personal-agent"  # type: ignore
         )
+        self.reasoning_key = "reasoning"
diff --git a/astrbot/core/utils/media_utils.py b/astrbot/core/utils/media_utils.py
index 40f1e60495..03d7912cb6 100644
--- a/astrbot/core/utils/media_utils.py
+++ b/astrbot/core/utils/media_utils.py
@@ -436,19 +436,30 @@ async def compress_image(
     optimize = IMAGE_COMPRESS_DEFAULT_OPTIMIZE
     min_file_size_bytes = int(IMAGE_COMPRESS_DEFAULT_MIN_FILE_SIZE_MB * 1024 * 1024)
     data = None
+
+    def _exceeds_max_size(source: bytes | Path) -> bool:
+        try:
+            fp = io.BytesIO(source) if isinstance(source, bytes) else source
+            with PILImage.open(fp) as opened_img:
+                return max(opened_img.size) > max_size
+        except Exception:  # noqa: BLE001
+            return False
+
     # Skip compression for remote images and return the original value.
     if url_or_path.startswith("http"):
         return url_or_path
     elif url_or_path.startswith("data:image"):
         _header, encoded = url_or_path.split(",", 1)
         data = base64.b64decode(encoded)
-        if len(data) < min_file_size_bytes:
+        if len(data) < min_file_size_bytes and not _exceeds_max_size(data):
             return url_or_path
     else:
         local_path = Path(url_or_path)
         if not local_path.exists():
             return url_or_path
-        if local_path.stat().st_size < min_file_size_bytes:
+        if local_path.stat().st_size < min_file_size_bytes and not _exceeds_max_size(
+            local_path
+        ):
             return url_or_path
         with local_path.open("rb") as f:
             data = f.read()