diff --git a/CHANGELOG.md b/CHANGELOG.md
index b9a7500..bda1e49 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,14 @@ This file records notable changes to Iridium.
 
 ---
 
+## [26.9.17] - 2026-09-14
+
+### 清理 / Cleanup
+- 移除未使用的常量、翻译键与导入
+- Removed unused constants, translation keys, and imports
+
+---
+
 ## [26.9.16] - 2026-09-14
 
 ### 变更 / Changed
diff --git a/README.md b/README.md
index 353b8c5..11b9e26 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 | **26.9.16** |
+| 版本 | **26.9.17** |
 | 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/README_en.md b/README_en.md
index 4f1d7ec..a77bee1 100644
--- a/README_en.md
+++ b/README_en.md
@@ -4,7 +4,7 @@ MCDReforged plugin: item share / wear on head / player head / calculator / join
 
 | | |
 |---|---|
-| Version | **26.9.16** |
+| Version | **26.9.17** |
 | Author | 云镜之端/SKYMirror |
 | License | All Rights Reserved |
 | Requires | MCDReforged `>= 2.6.0` |
diff --git a/catalogue/PR_BODY.md b/catalogue/PR_BODY.md
index a0f2291..ba2873e 100644
--- a/catalogue/PR_BODY.md
+++ b/catalogue/PR_BODY.md
@@ -3,7 +3,7 @@
 - ID: `iridium`
 - Name: Iridium
 - Repository: https://github.com/HzSKYMirror/Iridium
-- Release: https://github.com/HzSKYMirror/Iridium/releases/tag/v26.9.13
+- Release: https://github.com/HzSKYMirror/Iridium/releases/tag/v26.9.17
 - Labels: `tool`
 
 ## Summary
diff --git a/iridium/__init__.py b/iridium/__init__.py
index c461242..66f0c50 100644
--- a/iridium/__init__.py
+++ b/iridium/__init__.py
@@ -10,7 +10,7 @@ import iridium.hat as hat
 import iridium.head as head
 import iridium.join_tip as join_tip
 import iridium.share as share
-from iridium.config import Config, apply_config, load_config
+from iridium.config import apply_config, load_config
 from iridium.version_util import tr
 
 
diff --git a/iridium/config.py b/iridium/config.py
index b4ea171..49389b5 100644
--- a/iridium/config.py
+++ b/iridium/config.py
@@ -47,10 +47,6 @@ class Config(Serializable):
 
 # 当前配置：MCDR 数据目录 → config/iridium/iridium.yml
 CONFIG_FILE_NAME = "iridium.yml"
-# 历史路径（仅用于迁移）
-LEGACY_JSON_NAMES = (
-	"iridium.json",  # config/iridium/iridium.json
-)
 
 
 def build_default_config_text() -> str:
@@ -102,8 +98,6 @@ motd_lines:
 """
 
 
-DEFAULT_CONFIG_TEXT = build_default_config_text()
-
 # 模块级单例；on_load 时原地更新字段，避免各模块持有过期引用
 config = Config()
 
diff --git a/iridium/hat.py b/iridium/hat.py
index 8702422..94ca06c 100644
--- a/iridium/hat.py
+++ b/iridium/hat.py
@@ -260,7 +260,6 @@ def _extract_item_payload(payload: str, version: Version) -> Optional[str]:
 def _do_swap(server: PluginServerInterface, src: CommandSource, player: str, version: Version) -> bool:
 	name = sanitize_name(player)
 	head_slot = _head_slot(version)
-	hand_slot = _hand_slot(version, 0)
 
 	# 1.17+: true swap via offhand buffer — no need to rebuild item NBT
 	if is_at_least(version, "1.17"):
diff --git a/iridium/version_util.py b/iridium/version_util.py
index 1c5eed8..05a9482 100644
--- a/iridium/version_util.py
+++ b/iridium/version_util.py
@@ -6,8 +6,6 @@ from iridium.config import config
 
 # Fallback strings when ServerInterface is unavailable (unit tests / early import)
 _FALLBACK = {
-	"click_copy": "click to copy data",
-	"click_suggest": "click for data command",
 	"calc_usage": "Usage: !!c <expression>",
 	"share_showing": "is showing",
 }
diff --git a/lang/en_us.yml b/lang/en_us.yml
index 8a4eff4..9c0e4e3 100644
--- a/lang/en_us.yml
+++ b/lang/en_us.yml
@@ -11,8 +11,6 @@ iridium.share_help: 'Show the item in your main hand (hover to view)'
 iridium.share_done: 'Item shared to chat'
 iridium.share_unsupported_version: 'Version {0} cannot read held item (needs Minecraft 1.8+)'
 iridium.share_timeout: 'Timed out reading held item, try again later'
-iridium.click_copy: 'click to copy data'
-iridium.click_suggest: 'click for data command'
 iridium.share_showing: 'is showing'
 iridium.hat_help: 'Swap the item in your hand with your head slot'
 iridium.hat_success: 'Swapped hand item with head equipment'
diff --git a/lang/zh_cn.yml b/lang/zh_cn.yml
index 61fe595..8863b1e 100644
--- a/lang/zh_cn.yml
+++ b/lang/zh_cn.yml
@@ -11,8 +11,6 @@ iridium.share_help: '展示手上物品的完整信息（悬停查看）'
 iridium.share_done: '已在聊天栏展示物品'
 iridium.share_unsupported_version: '当前版本 {0} 无法读取手持物品（需要 Minecraft 1.8+）'
 iridium.share_timeout: '读取手持物品超时，请稍后再试'
-iridium.click_copy: '点击复制完整数据'
-iridium.click_suggest: '点击获取完整数据命令'
 iridium.share_showing: '正在展示'
 iridium.hat_help: '将手上物品与头部装备互换'
 iridium.hat_success: '已交换手上物品与头部装备'
diff --git a/mcdreforged.plugin.json b/mcdreforged.plugin.json
index 755ac75..96f6693 100644
--- a/mcdreforged.plugin.json
+++ b/mcdreforged.plugin.json
@@ -1,6 +1,6 @@
 {
 	"id": "iridium",
-	"version": "26.9.16",
+	"version": "26.9.17",
 	"name": "Iridium",
 	"description": {
 		"zh_cn": "物品展示 / 戴头 / 获取头颅 / 游戏内计算器 / 进服 MOTD",