diff --git a/CHANGELOG.md b/CHANGELOG.md
index ff2dc75..3f91843 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 本文件记录 Iridium 的重要变更。
 
+## [26.9.3] - 2026-09-13
+
+### Fixed
+- `!!share` / `!!hat` / `!!head`：`info.version` 若为字符串时比较崩溃（`Cannot compare Version and str`）
+- `!!c`：命令回调少绑定 `server` 导致 `do_calc() missing ... context`
+
 ## [26.9.2] - 2026-09-13
 
 ### Fixed
diff --git a/README.md b/README.md
index 9d80d1b..06cc65b 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ MCDReforged 插件：物品展示 / 戴头 / 获取头颅 / 游戏内计算器 /
 
 | | |
 |---|---|
-| 版本 | **26.9.2** |
+| 版本 | **26.9.3** |
 | 作者 | 云镜之端/SKYMirror |
 | 许可 | 保留所有权益（All Rights Reserved） |
 | 前置 | MCDReforged `>= 2.6.0` |
diff --git a/iridium/calculator.py b/iridium/calculator.py
index 5fd1e94..167b5bc 100644
--- a/iridium/calculator.py
+++ b/iridium/calculator.py
@@ -106,7 +106,7 @@ def do_calc(server: PluginServerInterface, src: CommandSource, context: dict) ->
 def register(server: PluginServerInterface) -> None:
 	builder = SimpleCommandBuilder()
 	builder.command("!!c", lambda src: src.reply(RText(tr("calc_usage"), RColor.yellow)))
-	builder.command("!!c <expression>", do_calc)
+	builder.command("!!c <expression>", lambda src, ctx: do_calc(server, src, ctx))
 	builder.arg("expression", GreedyText)
 	builder.register(server)
 	server.register_help_message("!!c <expression>", tr("calc_help"))
diff --git a/iridium/version_util.py b/iridium/version_util.py
index f7d7b39..1c5eed8 100644
--- a/iridium/version_util.py
+++ b/iridium/version_util.py
@@ -26,17 +26,28 @@ def tr(key: str, *args) -> str:
 	return si.tr(f"iridium.{key}", *args)
 
 
+def _as_version(value) -> Optional[Version]:
+	if value is None:
+		return None
+	if isinstance(value, Version):
+		return value
+	try:
+		return Version(str(value))
+	except Exception:
+		return None
+
+
 def get_mc_version(server: PluginServerInterface) -> Optional[Version]:
 	"""Return the detected Minecraft server version, or None."""
 	if config.force_version:
-		try:
-			return Version(config.force_version)
-		except Exception:
-			server.logger.warning(tr("bad_force_version", config.force_version))
+		forced = _as_version(config.force_version)
+		if forced is not None:
+			return forced
+		server.logger.warning(tr("bad_force_version", config.force_version))
 	info = server.get_server_information()
-	if info is None or info.version is None:
+	if info is None:
 		return None
-	return info.version
+	return _as_version(info.version)
 
 
 def require_version(server: PluginServerInterface, src: CommandSource) -> Optional[Version]:
@@ -46,5 +57,9 @@ def require_version(server: PluginServerInterface, src: CommandSource) -> Option
 	return version
 
 
-def is_at_least(version: Version, target: str) -> bool:
-	return version >= Version(target)
+def is_at_least(version, target: str) -> bool:
+	left = _as_version(version)
+	right = _as_version(target)
+	if left is None or right is None:
+		return False
+	return left >= right
diff --git a/mcdreforged.plugin.json b/mcdreforged.plugin.json
index 9973afd..f46a735 100644
--- a/mcdreforged.plugin.json
+++ b/mcdreforged.plugin.json
@@ -1,6 +1,6 @@
 {
 	"id": "iridium",
-	"version": "26.9.2",
+	"version": "26.9.3",
 	"name": "Iridium",
 	"description": {
 		"zh_cn": "物品展示 / 戴头 / 获取头颅 / 游戏内计算器 / 进服 MOTD",
diff --git a/tests/test_pure.py b/tests/test_pure.py
index 6bd28c6..a09e945 100644
--- a/tests/test_pure.py
+++ b/tests/test_pure.py
@@ -227,6 +227,18 @@ def test_sanitize_name_and_cmd():
 	assert sanitize_cmd("a\r\nb") == "a  b"
 
 
+def test_is_at_least_accepts_str():
+	from mcdreforged.api.all import Version
+
+	from iridium.version_util import is_at_least
+
+	assert is_at_least(Version("1.20.1"), "1.8") is True
+	assert is_at_least("1.20.1", "1.8") is True
+	assert is_at_least("1.7.10", "1.13") is False
+	assert is_at_least("1.12.2", "1.13") is False
+	assert is_at_least("not-a-version", "1.8") is False
+
+
 def test_share_query_sanitizes_player():
 	from mcdreforged.api.all import Version