diff --git a/include/Timer.h b/include/Timer.h
index 801ac0a..d5cd8eb 100644
--- a/include/Timer.h
+++ b/include/Timer.h
@@ -37,6 +37,7 @@ namespace ling {
         static std::atomic<bool> flag;
         static std::condition_variable listCV;
 
+        std::atomic<bool> state{true};
         std::function<void()> recall;
         int64_t id = 0;
         Task task;
@@ -57,14 +58,18 @@ namespace ling {
                     args)...); // 连接函数和参数定义，特殊函数类型，避免左右值错误
             auto task_ptr = std::make_shared<std::packaged_task<decltype(f(args...))()>>(func);
             std::function<void()> warpper_func = [task_ptr, this]() {
+                if (this->state.load()) {
+                    this->recall();
+                }
                 (*task_ptr)();
-                this->recall();
             };
             this->recall = [this, func]() {
                 auto task_ptr = std::make_shared<std::packaged_task<decltype(f(args...))()>>(func);
                 std::function<void()> warpper_func = [task_ptr, this]() {
+                    if (this->state.load()) {
+                        this->recall();
+                    }
                     (*task_ptr)();
-                    this->recall();
                 };
                 this->task.time = std::time(nullptr) + this->task.interval;
                 this->task.fun = warpper_func;
@@ -82,6 +87,8 @@ namespace ling {
         /// 重新启动定时器
         void start();
 
+        void startOne(int64_t interval);
+
         void stop() const;
 
         /// 设置任务执行器
diff --git a/src/Timer.cpp b/src/Timer.cpp
index d7dfa5c..f26dc53 100644
--- a/src/Timer.cpp
+++ b/src/Timer.cpp
@@ -32,8 +32,8 @@ namespace ling {
                 Task task = list.front();
                 std::time_t time = std::time(nullptr);
                 if (task.time <= time) {
-                    call(task.fun);
                     list.pop_front();
+                    call(task.fun);
                     continue;
                 }
             }
@@ -76,6 +76,7 @@ namespace ling {
     }
 
     void Timer::start(int64_t interval) {
+        this->state.store(true);
         {
             std::unique_lock<std::mutex> lock(mutex);
             for (auto it = list.begin(); it != list.end(); ++it) {
@@ -101,6 +102,24 @@ namespace ling {
         }
     }
 
+    void Timer::startOne(int64_t interval) {
+        this->state.store(false);
+        {
+            std::unique_lock<std::mutex> lock(mutex);
+            for (auto it = list.begin(); it != list.end(); ++it) {
+                if (it->id == this->id) {
+                    list.erase(it);
+                    break;
+                }
+            }
+        }
+
+        this->task.time = std::time(nullptr) + interval;
+        this->task.interval = interval;
+        addTask(task);
+    }
+
+
     void Timer::start() {
         start(this->task.interval);
     }
@@ -108,5 +127,4 @@ namespace ling {
     Timer::~Timer() {
         stop();
     }
-
 } // ling
\ No newline at end of file