diff --git a/src/main/kotlin/top/r3944realms/ltdmanager/module/BanModule.kt b/src/main/kotlin/top/r3944realms/ltdmanager/module/BanModule.kt
new file mode 100644
index 0000000..3199dfd
--- /dev/null
+++ b/src/main/kotlin/top/r3944realms/ltdmanager/module/BanModule.kt
@@ -0,0 +1,183 @@
+package top.r3944realms.ltdmanager.module
+
+import kotlinx.coroutines.*
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.encodeToString
+import kotlinx.serialization.json.Json
+import top.r3944realms.ltdmanager.module.common.CommandParser
+import top.r3944realms.ltdmanager.module.common.filter.TriggerMessageFilter
+import top.r3944realms.ltdmanager.module.common.filter.type.CommandFilter
+import top.r3944realms.ltdmanager.module.common.filter.type.IgnoreSelfFilter
+import top.r3944realms.ltdmanager.module.common.filter.type.NewMessageFilter
+import top.r3944realms.ltdmanager.napcat.data.ID
+import top.r3944realms.ltdmanager.napcat.data.MessageElement
+import top.r3944realms.ltdmanager.napcat.event.message.GetFriendMsgHistoryEvent
+import top.r3944realms.ltdmanager.napcat.request.group.SetGroupBanRequest
+import top.r3944realms.ltdmanager.napcat.request.other.SendGroupMsgRequest
+import top.r3944realms.ltdmanager.utils.LoggerUtil
+import java.io.File
+import kotlin.random.Random
+
+/**
+ * 指令触发禁言模块
+ */
+class CommandBanModule(
+    moduleName: String,
+    private val groupMessagePollingModule : GroupMessagePollingModule,
+    private val selfId: Long,
+    commandPrefixList: List<String> = listOf("/mute"), // 默认命令前缀
+    private val minBanMinutes: Int = 1,
+    private val maxBanMinutes: Int = 15
+) : BaseModule("CommandBanModule", moduleName), PersistentState<CommandBanModule.BanState> {
+
+    private val commandParser = CommandParser(commandPrefixList)
+    private val commandFilter = CommandFilter(commandParser)
+    private val banState = loadState()
+    override fun getState(): BanState = banState
+
+    private val triggerFilter by lazy {
+        TriggerMessageFilter(
+            listOf(
+                IgnoreSelfFilter(selfId),
+                NewMessageFilter { _ -> banState.lastTriggerTime to banState.lastTriggerRealId },
+                commandFilter
+            )
+        )
+    }
+
+    private var scope: CoroutineScope? = null
+    private val stateFile: File = getStateFileInternal("command_ban_state.json", name)
+    private val stateBackupFile: File = getStateFileInternal("command_ban_state.json.bak", name)
+
+    override fun getStateFileInternal(): File = stateFile
+
+    override fun onLoad() {
+        LoggerUtil.logger.info("[$name] 模块已装载，监听群组: ${groupMessagePollingModule.targetGroupId}")
+        scope = CoroutineScope(Dispatchers.IO + SupervisorJob())
+        scope!!.launch {
+            LoggerUtil.logger.info("[$name] 启动消息监听协程")
+            groupMessagePollingModule.messagesFlow.collect { messages ->
+                handleMessages(messages)
+            }
+        }
+    }
+
+    override suspend fun onUnload() {
+        LoggerUtil.logger.info("[$name] 模块卸载，取消协程")
+        scope?.cancel()
+    }
+
+    private suspend fun handleMessages(messages: List<GetFriendMsgHistoryEvent.SpecificMsg>) {
+        // 先过一遍过滤器，只有符合条件的才进入后续处理
+        val filtered = triggerFilter.filter(messages)
+        for (msg in filtered) {
+            processBanCommand(msg)
+        }
+    }
+    /**
+     * 将 SpecificMsg 中的 message 段拼成一条“可解析文本”。
+     * - text 段直接拼接
+     * - 如果消息段里包含 @（在 MessageData 中为 qq 字段），则拼成 "@{qq}"，方便 parseMentionToUserId 解析
+     */
+    private fun GetFriendMsgHistoryEvent.SpecificMsg.plainText(): String {
+        return this.message.joinToString(" ") { seg ->
+            // 如果 message element 包含 qq 字段（即@用户），优先使用它
+            seg.data.qq?.let { "@${it}" } ?: (seg.data.text ?: "")
+        }.trim()
+    }
+    private suspend fun processBanCommand(msg: GetFriendMsgHistoryEvent.SpecificMsg) {
+        try {
+            val parsed = commandParser.parseCommand(msg.plainText()) ?: return
+            val (command, argument) = parsed
+
+            // 参数格式： [分钟]
+            // 示例：/mute 5  → 自己禁言 5 分钟
+            //       /mute    → 自己随机禁言
+            val parts = argument.split(" ").filter { it.isNotBlank() }
+
+            val durationMinutes = parts.getOrNull(0)?.toIntOrNull()
+                ?: Random.nextInt(minBanMinutes, maxBanMinutes + 1)
+            val durationSeconds = durationMinutes.coerceIn(minBanMinutes, maxBanMinutes) * 60
+
+            val targetUserId = msg.sender.userId
+
+            banUser(targetUserId, groupMessagePollingModule.targetGroupId, durationSeconds)
+            sendGroupMessage("✅ 你已被禁言 $durationMinutes 分钟", msg.realId)
+
+            // 更新状态（保证状态保存正确）
+            banState.lastTriggerRealId = msg.realId
+            banState.lastTriggerTime = msg.time
+            saveState(banState)
+
+        } catch (e: Exception) {
+            LoggerUtil.logger.error("[$name] 执行禁言指令失败", e)
+            sendGroupMessage("❌ 执行禁言失败，请检查指令格式或权限", msg.realId)
+        }
+    }
+    private suspend fun banUser(userId: Long, groupId: Long, seconds: Int) {
+        val request = SetGroupBanRequest(
+            duration = seconds.toDouble(),
+            groupId = ID.long(groupId),
+            userId = ID.long(userId)
+        )
+        napCatClient.sendUnit(request)
+        LoggerUtil.logger.info("[$name] 已对用户 $userId 执行 $seconds 秒禁言")
+    }
+
+    private suspend fun sendGroupMessage(text: String, replyTo: Long? = null) {
+        val request = SendGroupMsgRequest(
+            MessageElement.reply(ID.long(replyTo ?: 0), text),
+            ID.long(groupMessagePollingModule.targetGroupId)
+        )
+        napCatClient.sendUnit(request)
+    }
+
+    override fun info(): String {
+        return "[$name] 指令禁言模块：用户发送 ${commandParser.getCommands().joinToString("、")} 来禁言自己，" +
+                "支持指定分钟数或随机分钟数，范围 $minBanMinutes-$maxBanMinutes 分钟。"
+    }
+
+    override fun help(): String {
+        return buildString {
+            appendLine("📖 [$name] 使用帮助：")
+            appendLine(" - ${commandParser.getCommands().joinToString("、")} [分钟]")
+            appendLine("   · 不写分钟数 → 随机禁言 (范围 $minBanMinutes-$maxBanMinutes 分钟)")
+            appendLine("   · 写分钟数 → 自己禁言指定分钟数")
+            appendLine()
+            appendLine("示例：")
+            appendLine(" - /mute       → 随机禁言自己")
+            appendLine(" - /mute 5     → 禁言自己 5 分钟")
+        }
+    }
+
+    // ---------------- 持久化 ----------------
+    @Serializable
+    data class BanState(
+        var lastTriggerRealId: Long = -1,
+        var lastTriggerTime: Long = 0
+    )
+
+    override fun saveState(state: BanState) {
+        try {
+            if (stateFile.exists()) stateFile.copyTo(stateBackupFile, overwrite = true)
+            stateFile.writeText(Json.encodeToString(state))
+        } catch (e: Exception) {
+            LoggerUtil.logger.error("[$name] 保存状态失败", e)
+        }
+    }
+
+    override fun loadState(): BanState {
+        return try {
+            val fileToRead = when {
+                stateFile.exists() -> stateFile
+                stateBackupFile.exists() -> stateBackupFile
+                else -> null
+            } ?: return BanState()
+
+            Json.decodeFromString<BanState>(fileToRead.readText())
+        } catch (e: Exception) {
+            LoggerUtil.logger.warn("[$name] 读取状态失败", e)
+            BanState()
+        }
+    }
+}
diff --git a/src/main/kotlin/top/r3944realms/ltdmanager/module/HelpModule.kt b/src/main/kotlin/top/r3944realms/ltdmanager/module/HelpModule.kt
new file mode 100644
index 0000000..acd6a67
--- /dev/null
+++ b/src/main/kotlin/top/r3944realms/ltdmanager/module/HelpModule.kt
@@ -0,0 +1,4 @@
+package top.r3944realms.ltdmanager.module
+
+class HelpModule {
+}
\ No newline at end of file
diff --git a/src/main/kotlin/top/r3944realms/ltdmanager/module/ModGroupHandlerModule.kt b/src/main/kotlin/top/r3944realms/ltdmanager/module/ModGroupHandlerModule.kt
new file mode 100644
index 0000000..19edac2
--- /dev/null
+++ b/src/main/kotlin/top/r3944realms/ltdmanager/module/ModGroupHandlerModule.kt
@@ -0,0 +1,4 @@
+package top.r3944realms.ltdmanager.module
+
+class ModGroupHandleModule {
+}
\ No newline at end of file
diff --git a/src/main/kotlin/top/r3944realms/ltdmanager/module/common/CommandParser.kt b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/CommandParser.kt
new file mode 100644
index 0000000..0d9f78a
--- /dev/null
+++ b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/CommandParser.kt
@@ -0,0 +1,52 @@
+package top.r3944realms.ltdmanager.module.util
+
+/**
+ * 命令解析器
+ * 严格模式：只支持命令后带空格的情况，避免误读
+ */
+class CommandParser(private val commands: List<String>) {
+
+    /**
+     * 解析命令
+     * @param text 输入的文本
+     * @return Pair<命令, 参数> 或 null（如果不是有效命令）
+     */
+    fun parseCommand(text: String): Pair<String, String>? {
+        val trimmedText = text.trim()
+
+        // 查找匹配的命令（必须后面跟着空格或字符串结束）
+        val matchedCommand = commands.firstOrNull { command ->
+            trimmedText.startsWith("$command ") || trimmedText == command
+        } ?: return null
+
+        // 获取参数部分
+        val argument = if (trimmedText.length > matchedCommand.length) {
+            trimmedText.substring(matchedCommand.length).trim()
+        } else {
+            ""
+        }
+
+        return Pair(matchedCommand, argument)
+    }
+
+    /**
+     * 检查文本是否包含有效命令
+     */
+    fun containsCommand(text: String): Boolean {
+        return parseCommand(text.trim()) != null
+    }
+
+    /**
+     * 获取命令部分（不包含参数）
+     */
+    fun getCommandOnly(text: String): String? {
+        return parseCommand(text.trim())?.first
+    }
+
+    /**
+     * 获取参数部分（不包含命令）
+     */
+    fun getArgumentOnly(text: String): String {
+        return parseCommand(text.trim())?.second ?: ""
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/top/r3944realms/ltdmanager/module/common/cooldown/CooldownManager.kt b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/cooldown/CooldownManager.kt
new file mode 100644
index 0000000..b48d003
--- /dev/null
+++ b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/cooldown/CooldownManager.kt
@@ -0,0 +1,30 @@
+package top.r3944realms.ltdmanager.module.common
+
+class CooldownManager<S>(
+    private val cooldownMillis: Long,
+    private val scope: CooldownScope,
+    private val stateProvider: CooldownStateProvider<S>,
+    private val getLastTrigger: (S, Long?) -> Pair<Long, Long>, // (time, realId)
+    private val updateTrigger: (S, Long?, Long, Long) -> S,     // (qq, realId, time)
+    private val updateCooldownRealId: (S, Long?, Long) -> S     // (qq, realId)
+) {
+    private var state: S = stateProvider.load()
+
+    fun check(userId: Long?, realId: Long, msgTime: Long): CooldownResult {
+        val (lastTime, lastCooldownRealId) = getLastTrigger(state, if (scope == CooldownScope.PerUser) userId else null)
+        val nowSec = System.currentTimeMillis() / 1000
+        val cooldownSec = cooldownMillis / 1000
+
+        return if (lastTime == -1L || nowSec - lastTime >= cooldownSec) {
+            state = updateTrigger(state, userId, realId, msgTime)
+            stateProvider.save(state)
+            CooldownResult(true)
+        } else {
+            if (realId != lastCooldownRealId) {
+                state = updateCooldownRealId(state, userId, realId)
+                stateProvider.save(state)
+            }
+            CooldownResult(false, cooldownSec - (nowSec - lastTime))
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/top/r3944realms/ltdmanager/module/common/cooldown/CooldownResult.kt b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/cooldown/CooldownResult.kt
new file mode 100644
index 0000000..5718441
--- /dev/null
+++ b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/cooldown/CooldownResult.kt
@@ -0,0 +1,6 @@
+package top.r3944realms.ltdmanager.module.common
+
+data class CooldownResult(
+    val canTrigger: Boolean,
+    val remainingSeconds: Long = 0
+)
\ No newline at end of file
diff --git a/src/main/kotlin/top/r3944realms/ltdmanager/module/common/cooldown/CooldownScope.kt b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/cooldown/CooldownScope.kt
new file mode 100644
index 0000000..2f4e1a7
--- /dev/null
+++ b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/cooldown/CooldownScope.kt
@@ -0,0 +1,6 @@
+package top.r3944realms.ltdmanager.module.common
+
+sealed class CooldownScope {
+    object Global : CooldownScope()
+    object PerUser : CooldownScope()
+}
\ No newline at end of file
diff --git a/src/main/kotlin/top/r3944realms/ltdmanager/module/common/cooldown/CooldownStateProvider.kt b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/cooldown/CooldownStateProvider.kt
new file mode 100644
index 0000000..63683ab
--- /dev/null
+++ b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/cooldown/CooldownStateProvider.kt
@@ -0,0 +1,6 @@
+package top.r3944realms.ltdmanager.module.common
+
+interface CooldownStateProvider<S> {
+    fun load(): S
+    fun save(state: S)
+}
\ No newline at end of file
diff --git a/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/MessageFilter.kt b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/MessageFilter.kt
new file mode 100644
index 0000000..465bbc4
--- /dev/null
+++ b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/MessageFilter.kt
@@ -0,0 +1,4 @@
+package top.r3944realms.ltdmanager.module.common.filter
+
+interface MessageFilter {
+}
\ No newline at end of file
diff --git a/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/TriggerMessageFilter.kt b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/TriggerMessageFilter.kt
new file mode 100644
index 0000000..ba2d874
--- /dev/null
+++ b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/TriggerMessageFilter.kt
@@ -0,0 +1,70 @@
+package top.r3944realms.ltdmanager.module.common
+
+import top.r3944realms.ltdmanager.module.common.cooldown.CooldownManager
+import top.r3944realms.ltdmanager.napcat.data.MessageType
+import top.r3944realms.ltdmanager.napcat.event.message.GetFriendMsgHistoryEvent
+
+class TriggerMessageFilter(private val filters: List<MessageFilter>) {
+    suspend fun filter(messages: List<GetFriendMsgHistoryEvent.SpecificMsg>)
+            : List<GetFriendMsgHistoryEvent.SpecificMsg> {
+
+        val result = mutableListOf<GetFriendMsgHistoryEvent.SpecificMsg>()
+        for (msg in messages) {
+            if (filters.all { it.test(msg) }) {
+                result.add(msg)
+            }
+        }
+        return result
+    }
+}
+interface MessageFilter {
+    suspend fun test(msg: GetFriendMsgHistoryEvent.SpecificMsg): Boolean
+}
+/** 忽略机器人自己的消息 */
+class IgnoreSelfFilter(private val selfId: Long) : MessageFilter {
+    override suspend fun test(msg: GetFriendMsgHistoryEvent.SpecificMsg): Boolean {
+        return msg.userId != selfId
+    }
+}
+
+/** 只保留比上次触发更新的消息 */
+class NewMessageFilter(
+    private val getLastTrigger: (Long) -> Pair<Long, Long> // (time, realId)
+) : MessageFilter {
+    override suspend fun test(msg: GetFriendMsgHistoryEvent.SpecificMsg): Boolean {
+        val (lastTime, lastRealId) = getLastTrigger(msg.userId)
+        return msg.time > lastTime || (msg.time == lastTime && msg.realId > lastRealId)
+    }
+}
+
+/** 文本关键词匹配 */
+class KeywordFilter(private val keywords: Set<String>) : MessageFilter {
+    override suspend fun test(msg: GetFriendMsgHistoryEvent.SpecificMsg): Boolean {
+        return msg.message.any { seg ->
+            seg.type == MessageType.Text && seg.data.text?.let { it in keywords } == true
+        }
+    }
+}
+
+/** 命令解析器匹配 */
+class CommandFilter(private val parser: CommandParser) : MessageFilter {
+    override suspend fun test(msg: GetFriendMsgHistoryEvent.SpecificMsg): Boolean {
+        return msg.message.any { seg ->
+            seg.type == MessageType.Text && seg.data.text?.let { parser.containsCommand(it) } == true
+        }
+    }
+}
+
+/** 冷却检查 */
+class CooldownFilter(
+    private val cooldownManager: CooldownManager<*>,
+    private val sendCooldown: suspend (GetFriendMsgHistoryEvent.SpecificMsg, Long) -> Unit
+) : MessageFilter {
+    override suspend fun test(msg: GetFriendMsgHistoryEvent.SpecificMsg): Boolean {
+        val result = cooldownManager.check(msg.userId, msg.realId, msg.time)
+        if (!result.canTrigger) {
+            sendCooldown(msg, result.remainingSeconds)
+        }
+        return result.canTrigger
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/type/CommandFilter.kt b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/type/CommandFilter.kt
new file mode 100644
index 0000000..d61273f
--- /dev/null
+++ b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/type/CommandFilter.kt
@@ -0,0 +1,4 @@
+package top.r3944realms.ltdmanager.module.common.filter.type
+
+class CommandFilter {
+}
\ No newline at end of file
diff --git a/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/type/CooldownFilter.kt b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/type/CooldownFilter.kt
new file mode 100644
index 0000000..a5dccca
--- /dev/null
+++ b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/type/CooldownFilter.kt
@@ -0,0 +1,4 @@
+package top.r3944realms.ltdmanager.module.common.filter.type
+
+class CooldownFilter {
+}
\ No newline at end of file
diff --git a/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/type/IgnoreSelfFilter.kt b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/type/IgnoreSelfFilter.kt
new file mode 100644
index 0000000..58e0874
--- /dev/null
+++ b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/type/IgnoreSelfFilter.kt
@@ -0,0 +1,4 @@
+package top.r3944realms.ltdmanager.module.common.filter.type
+
+class IgnoreSelfFilter {
+}
\ No newline at end of file
diff --git a/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/type/KeywordFilter.kt b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/type/KeywordFilter.kt
new file mode 100644
index 0000000..ab7ef96
--- /dev/null
+++ b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/type/KeywordFilter.kt
@@ -0,0 +1,4 @@
+package top.r3944realms.ltdmanager.module.common.filter.type
+
+class KeywordFilter {
+}
\ No newline at end of file
diff --git a/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/type/NewMessageFilter.kt b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/type/NewMessageFilter.kt
new file mode 100644
index 0000000..44cbf45
--- /dev/null
+++ b/src/main/kotlin/top/r3944realms/ltdmanager/module/common/filter/type/NewMessageFilter.kt
@@ -0,0 +1,4 @@
+package top.r3944realms.ltdmanager.module.common.filter.type
+
+class NewMessageFilter {
+}
\ No newline at end of file
diff --git a/src/main/kotlin/top/r3944realms/ltdmanager/utils/FileNameFilter.kt b/src/main/kotlin/top/r3944realms/ltdmanager/utils/FileNameFilter.kt
new file mode 100644
index 0000000..da29379
--- /dev/null
+++ b/src/main/kotlin/top/r3944realms/ltdmanager/utils/FileNameFilter.kt
@@ -0,0 +1,4 @@
+package top.r3944realms.ltdmanager.utils
+
+object FileNameFilter {
+}
\ No newline at end of file
diff --git a/src/main/kotlin/top/r3944realms/ltdmanager/utils/SystemType.kt b/src/main/kotlin/top/r3944realms/ltdmanager/utils/SystemType.kt
new file mode 100644
index 0000000..da4bd69
--- /dev/null
+++ b/src/main/kotlin/top/r3944realms/ltdmanager/utils/SystemType.kt
@@ -0,0 +1,4 @@
+package top.r3944realms.ltdmanager.utils
+
+enum class SystemType {
+}
\ No newline at end of file
diff --git a/src/test/kotlin/top/r394realms/ltdmanagertest/misc/StringTest.kt b/src/test/kotlin/top/r394realms/ltdmanagertest/misc/StringTest.kt
new file mode 100644
index 0000000..330e9fb
--- /dev/null
+++ b/src/test/kotlin/top/r394realms/ltdmanagertest/misc/StringTest.kt
@@ -0,0 +1,2 @@
+package top.r394realms.ltdmanagertest.misc
+