diff --git a/include/HTimer.h b/include/HTimer.h
index 41fede3..9a7240a 100644
--- a/include/HTimer.h
+++ b/include/HTimer.h
@@ -14,7 +14,7 @@
 
 // 无效值
 #ifndef HTIMER_INVALID
-#define HTIMER_INVALID (NULL)
+#define HTIMER_INVALID (-1)
 #endif
 
 // 检查添加定时任务超出限制后进入死循环, 方便调试
@@ -34,12 +34,14 @@ typedef enum
 } eHTimerFlags;
 
 typedef void (*HTimerCallType)();
-typedef void * HTimer_t;
+typedef int16_t HTimer_t;
 
 ///< 注册的定时器信息, 定义为数组, 数量由外部控制
 typedef struct HTimerInfo {
     uint32_t flags          : 1;    ///< 定时器标志, eTimerFlags
-    uint32_t duration       : 31;   ///< 定时触发时长, 毫秒为计数单元
+    uint32_t enable         : 2;    ///< 定时器使能
+    uint32_t curr           : 1;    ///< 当前回调者
+    uint32_t duration       : 28;   ///< 定时触发时长, 毫秒为计数单元
     uint32_t lastTime;              ///< 上次触发时间
     HTimerCallType call;            ///< 定时触发函数
 #if HTIMER_USE_USERDATA
@@ -51,10 +53,9 @@ typedef struct HTimerInfo {
 
 typedef struct TimeRegisterInfo {
     HList workNode;         ///< 工作节点
-    HList idleNode;         ///< 空闲节点
-#if HTIMER_USE_USERDATA
-    HList *currNode;        ///< 当前节点
-#endif
+    HTimerInfo *timers;     ///< 定时器信息
+    uint8_t schedu  : 1;    ///< 需要重新调度工作队列
+    uint8_t len     : 7;    ///< 定时器个数
 } TimeRegisterInfo;
 
 ///< 初始化毫秒定时器, 需要传递获取毫秒的函数
diff --git a/src/HTimer.c b/src/HTimer.c
index ba29320..be6bf25 100644
--- a/src/HTimer.c
+++ b/src/HTimer.c
@@ -11,7 +11,10 @@
 
 static uint32_t (*GetCurrentMs)(void);
 
-#define CHECK_VALUE             (0x7FFFFFFF)
+#define CHECK_VALUE             (0x0FFFFFFF)
+#define CREATE_INDEX(id, index) ((id << 8) | index)
+#define GET_ID(index)           ((index >> 8) & 0xFF)
+#define GET_INDEX(index)        (index & 0xFF)
 
 
 struct __attribute__((packed)) TimerInfo {
@@ -22,11 +25,6 @@ struct __attribute__((packed)) TimerInfo {
 static struct TimerInfo sInfo;
 
 static void InsertWorkNode(uint8_t id, HList *node) {
-    if (id >= sInfo.infoLen) {
-        LogD("error id[%d]", id);
-        return ;
-    }
-
     HTimerInfo *info = HLIST_ENTRY(node, HTimerInfo, node);
     const uint32_t triggerTime = info->lastTime + info->duration;
     HList *entry = NULL;
@@ -50,31 +48,30 @@ static void CallTimer(uint8_t id, HList *node) {
         return ;
     }
 
-#if HTIMER_USE_USERDATA
-    sInfo.info[id].currNode = node;
-#endif
     HTimerInfo *info = HLIST_ENTRY(node, HTimerInfo, node);
+    // 检查是不是已经删除的定时器
+    if (info->enable == 0) {
+        return ;
+    }
+
+    if (info->flags == kHTimerOnce) {
+        info->enable = 0;
+    }
+
+    info->curr = 1;
     if (info->call) {
         info->call();
     }
-#if HTIMER_USE_USERDATA
-    sInfo.info[id].currNode = NULL;
-#endif
 
+    info->curr = 0;
     info->lastTime = GetCurrentMs();
-    if (!HListIsSelf(node)) {
-        return;
-    }
-
-    // 如果是单次的, 直接移动到空闲队列, 循环的, 按触发时间重新插入工作队列
-    if (info->flags == kHTimerOnce) {
-        HListAddTail(node, &sInfo.info[id].idleNode);
-    } else {
-        InsertWorkNode(id, node);
+    if (info->enable) {
+        // 定时器还活跃, 需要重新调度回工作队列
+        sInfo.info[id].schedu = 1;
     }
 }
 
-static HList * AddTimerData(uint8_t id, uint32_t duration, HTimerCallType call, eHTimerFlags flags) {
+static HTimer_t AddTimerData(uint8_t id, uint32_t duration, HTimerCallType call, eHTimerFlags flags) {
     if (!GetCurrentMs) {
         LogD("GetCurrentMs not init");
         return HTIMER_INVALID;
@@ -90,23 +87,31 @@ static HList * AddTimerData(uint8_t id, uint32_t duration, HTimerCallType call,
         return HTIMER_INVALID;
     }
 
-    HList *node = HListPop(&sInfo.info[id].idleNode);
-    if (node == NULL) {
-        LogD("timers full, id[%d], duration[%d], flags[%d]", id, duration, flags);
-        return HTIMER_INVALID;
+    sInfo.info[id].schedu = 1;
+    for (uint16_t i = 0; i < sInfo.info[id].len; ++i) {
+        if (sInfo.info[id].timers[i].enable) {
+            continue;
+        }
+
+        // 防中断导致数据重叠
+        sInfo.info[id].timers[i].enable = 1;
+        if (sInfo.info[id].timers[i].enable != 1) {
+            continue;
+        }
+
+        sInfo.info[id].timers[i].duration = duration;
+        sInfo.info[id].timers[i].lastTime = GetCurrentMs();
+        sInfo.info[id].timers[i].call = call;
+        sInfo.info[id].timers[i].flags = flags;
+#if HTIMER_USE_USERDATA
+        sInfo.info[id].timers[i].userData = 0;
+#endif
+        sInfo.info[id].timers[i].enable = 2;
+        return CREATE_INDEX(id, i);
     }
 
-    HTimerInfo *info = HLIST_ENTRY(node, HTimerInfo, node);
-    info->duration = duration;
-    info->lastTime = GetCurrentMs();
-    info->call = call;
-    info->flags = flags;
-#if HTIMER_USE_USERDATA
-    info->userData = 0;
-#endif
-
-    InsertWorkNode(id, node);
-    return node;
+    LogD("timers full, id[%d], duration[%d], flags[%d]", id, duration, flags);
+    return HTIMER_INVALID;
 }
 
 void HTimerInitMs(uint32_t (*func)(void)) {
@@ -123,11 +128,11 @@ uint32_t HTimerGetMs() {
 
 void HTimerInitRegister(TimeRegisterInfo *info, uint8_t len)
 {
+    memset(info, 0, sizeof(*info) * len);
     sInfo.info = info;
     sInfo.infoLen = len;
     for (uint8_t i = 0; i < len; ++i) {
         HListInit(&info[i].workNode);
-        HListInit(&info[i].idleNode);
     }
 }
 
@@ -138,10 +143,11 @@ uint8_t HTimerRegisterTimerInfo(uint8_t id, HTimerInfo *info, uint16_t infoLen)
     }
 
     memset(info, 0, sizeof(*info) * infoLen);
+    sInfo.info[id].timers = info;
+    sInfo.info[id].len = infoLen;
     for (uint16_t i = 0; i < infoLen; ++i) {
         info[i].id = id;
         HListInit(&info[i].node);
-        HListAddTail(&info[i].node, &sInfo.info[id].idleNode);
     }
 
     return 1;
@@ -156,6 +162,23 @@ void HTimerRun(uint8_t id) {
         return ;
     }
 
+    do {
+        if (sInfo.info[id].schedu == 0) {
+            break;
+        }
+
+        // 清空工作队列, 重新添加
+        HListInit(&sInfo.info[id].workNode);
+        for (uint16_t i = 0; i < sInfo.info[id].len; ++i) {
+            if (sInfo.info[id].timers[i].enable != 2) {
+                continue;
+            }
+
+            HListInit(&sInfo.info[id].timers[i].node);
+            InsertWorkNode(id, &sInfo.info[id].timers[i].node);
+        }
+    } while (0);
+
     // 检查是否有任务
     if (HListEmpty(&sInfo.info[id].workNode)) {
         return ;
@@ -199,9 +222,20 @@ void HTimerRemove(HTimer_t index) {
         return ;
     }
 
-    HTimerInfo *info = HLIST_ENTRY(index, HTimerInfo, node);
-    HListDel(&info->node);
-    HListAddTail(&info->node, &sInfo.info[info->id].idleNode);
+    const uint8_t id = GET_ID(index);
+    index = GET_INDEX(index);
+    if (id >= sInfo.infoLen) {
+        LogD("error id[%d]", id);
+        return ;
+    }
+
+    if (index < 0 || index >= sInfo.info[id].len) {
+        LogD("error index[%d]", index);
+        return ;
+    }
+
+    sInfo.info[id].timers[index].enable = 0;
+    sInfo.info[id].schedu = 1;
 }
 
 #if HTIMER_USE_USERDATA
@@ -211,18 +245,40 @@ void HTimerSetUserData(HTimer_t index, long data)
         return ;
     }
 
-    HTimerInfo *info = HLIST_ENTRY(index, HTimerInfo, node);
-    info->userData = data;
+    const uint8_t id = GET_ID(index);
+    index = GET_INDEX(index);
+    if (id >= sInfo.infoLen) {
+        LogD("error id[%d]", id);
+        return ;
+    }
+
+    if (index < 0 || index >= sInfo.info[id].len) {
+        LogD("error index[%d]", index);
+        return ;
+    }
+
+    sInfo.info[id].timers[index].userData = data;
 }
 
 long HTimerGetUserData(HTimer_t index)
 {
-    if (index == HTIMER_INVALID) {
+        if (index == HTIMER_INVALID) {
         return 0;
     }
 
-    HTimerInfo *info = HLIST_ENTRY(index, HTimerInfo, node);
-    return info->userData;
+    const uint8_t id = GET_ID(index);
+    index = GET_INDEX(index);
+    if (id >= sInfo.infoLen) {
+        LogD("error id[%d]", id);
+        return 0;
+    }
+
+    if (index < 0 || index >= sInfo.info[id].len) {
+        LogD("error index[%d]", index);
+        return 0;
+    }
+
+    return sInfo.info[id].timers[index].userData;
 }
 
 long HTimerGetCurrCallUserData(uint8_t id)
@@ -231,12 +287,15 @@ long HTimerGetCurrCallUserData(uint8_t id)
         return 0;
     }
 
-    if (sInfo.info[id].currNode == NULL) {
-        return 0;
+    for (uint16_t i = 0; i < sInfo.info[id].len; ++i) {
+        if (sInfo.info[id].timers[i].curr == 0) {
+            continue;
+        }
+
+        return sInfo.info[id].timers[i].userData;
     }
 
-    HTimerInfo *info = HLIST_ENTRY(sInfo.info[id].currNode, HTimerInfo, node);
-    return info->userData;
+    return 0;
 }
 
 #endif // HTIMER_USE_USERDATA