diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f91843..88a1e53 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 本文件记录 Iridium 的重要变更。
 
+## [26.9.4] - 2026-09-13
+
+### Added
+- 操作日志：`!!share` / `!!hat` / `!!head` / `!!c` 成功时写入 MCDR 控制台（`[Iridium] ...`）
+
 ## [26.9.3] - 2026-09-13
 
 ### Fixed
diff --git a/README.md b/README.md
index 06cc65b..d0eb2e4 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 | **26.9.3** |
+| 版本 | **26.9.4** |
 | 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 167b5bc..ab702a7 100644
--- a/iridium/calculator.py
+++ b/iridium/calculator.py
@@ -92,6 +92,8 @@ def do_calc(server: PluginServerInterface, src: CommandSource, context: dict) ->
 		return
 
 	out = _format_result(result)
+	who = src.get_info().player if src.is_player else "console"
+	server.logger.info(f"[Iridium] !!c: {who} {expression} = {out}")
 	# Private reply to avoid flooding public chat
 	src.reply(
 		RTextList(
diff --git a/iridium/hat.py b/iridium/hat.py
index 312d366..e8e33b9 100644
--- a/iridium/hat.py
+++ b/iridium/hat.py
@@ -329,6 +329,7 @@ def do_hat(server: PluginServerInterface, src: CommandSource) -> None:
 
 	if _do_swap(server, src, player, version):
 		mark_cooldown(player, "hat")
+		server.logger.info(f"[Iridium] !!hat: {player} swapped hand/head gear")
 
 
 def register(server: PluginServerInterface) -> None:
diff --git a/iridium/head.py b/iridium/head.py
index b4969ef..a4e6046 100644
--- a/iridium/head.py
+++ b/iridium/head.py
@@ -40,6 +40,7 @@ def do_head(server: PluginServerInterface, src: CommandSource, context: dict) ->
 
 	safe_execute(server, _give_head_command(player, safe_target, version))
 	mark_cooldown(player, "head")
+	server.logger.info(f"[Iridium] !!head: {player} -> head of {safe_target}")
 	src.reply(RText(tr("head_success", safe_target), RColor.green))
 
 
diff --git a/iridium/share.py b/iridium/share.py
index 7aaa78c..1927b86 100644
--- a/iridium/share.py
+++ b/iridium/share.py
@@ -118,6 +118,7 @@ def _send_share(
 	safe_execute(server, _build_tellraw(player, item_snbt, version))
 	if config.share_sound:
 		safe_execute(server, _sound_command(version))
+	server.logger.info(f"[Iridium] !!share: {player} shared an item ({len(item_snbt)} chars)")
 	src.reply(RText(tr("share_done"), RColor.green))
 	return True
 
diff --git a/mcdreforged.plugin.json b/mcdreforged.plugin.json
index f46a735..9da4fc1 100644
--- a/mcdreforged.plugin.json
+++ b/mcdreforged.plugin.json
@@ -1,6 +1,6 @@
 {
 	"id": "iridium",
-	"version": "26.9.3",
+	"version": "26.9.4",
 	"name": "Iridium",
 	"description": {
 		"zh_cn": "物品展示 / 戴头 / 获取头颅 / 游戏内计算器 / 进服 MOTD",