diff --git a/konabot/plugins/typst/__init__.py b/konabot/plugins/typst/__init__.py
index 16c134f..86d156a 100644
--- a/konabot/plugins/typst/__init__.py
+++ b/konabot/plugins/typst/__init__.py
@@ -27,7 +27,17 @@ def render_sync(code: str) -> bytes:
         temp_typ = temp_dir / "page.typ"
         temp_typ.write_text(TEMPLATE + "\n\n" + code)
 
-        cmd = ["typst", "compile", temp_typ.name, "--format", "png", "--root", temp_dir]
+        cmd = [
+            "typst",
+            "compile",
+            temp_typ.name,
+            "--format",
+            "png",
+            "--root",
+            temp_dir,
+            "--ppi",
+            "300",
+        ]
 
         result = subprocess.run(
             cmd, capture_output=True, text=True, cwd=temp_dir.resolve(), timeout=50
@@ -67,11 +77,13 @@ async def _(evt: Event, bot: Bot, msg: UniMsg, target: DepLongTaskTarget):
             typst_code = evt.reply.message.extract_plain_text()
         else:
             for seg in evt.get_message():
-                if seg.type == 'reply':
-                    msgid = seg.get('id')
+                if seg.type == "reply":
+                    msgid = seg.get("id")
                     if msgid is not None:
                         msg2data = await cast(OB11Bot, bot).get_msg(message_id=msgid)
-                        typst_code = OB11Message(msg2data.get("message")).extract_plain_text()
+                        typst_code = OB11Message(
+                            msg2data.get("message")
+                        ).extract_plain_text()
 
     typst_code += msg.extract_plain_text().removeprefix("typst").strip()
 
@@ -94,4 +106,3 @@ async def _(evt: Event, bot: Bot, msg: UniMsg, target: DepLongTaskTarget):
         raise e from e
 
     await target.send_message(UniMessage.image(raw=res), at=False)
-