diff --git a/.travis.yml b/.travis.yml
index bd936eb..14e1302 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,15 +1,9 @@
 language: go
-
 go:
   - 1.5.x
   - 1.6.x
   - 1.7.x
   - 1.8.x
   - master
-
 env:
-  - GO15VENDOREXPERIMENT=1
-
-os:
-  - linux
-  - osx
\ No newline at end of file
+  - GO15VENDOREXPERIMENT=1
\ No newline at end of file
diff --git a/cmd/web.go b/cmd/web.go
index fc8f318..e8ffe65 100644
--- a/cmd/web.go
+++ b/cmd/web.go
@@ -14,8 +14,10 @@ import (
     "os/exec"
     "syscall"
     "github.com/ouqiang/cron-scheduler/modules/logger"
+    "github.com/ouqiang/cron-scheduler/modules/crontask"
 )
 
+// 1号进程id
 const InitProcess = 1
 
 // web服务器默认端口
@@ -56,7 +58,6 @@ func run(ctx *cli.Context) {
     app.InitEnv()
     // 捕捉信号,配置热更新等
     go catchSignal()
-
     m := macaron.Classic()
     // 注册路由
     routers.Register(m)
@@ -115,17 +116,16 @@ func setEnvironment(ctx *cli.Context)  {
 // 捕捉信号
 func catchSignal()  {
     c := make(chan os.Signal)
-    signal.Notify(c, syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM,
-        syscall.SIGUSR1, syscall.SIGUSR2)
+    // todo 配置热更新, windows 不支持 syscall.SIGUSR1, syscall.SIGUSR2
+    signal.Notify(c, syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM)
     for {
         s := <- c
         logger.Info("收到信号 -- ", s)
         switch s {
             case syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM:
-                // 清理资源, 准备退出
+                // 删除所有任务
+                crontask.DefaultCronTask.DeleteAll()
                 os.Exit(1)
-            case syscall.SIGUSR1, syscall.SIGUSR2:
-                // 热更新
         }
     }
 }
@@ -141,7 +141,7 @@ func becomeDaemon(ctx *cli.Context) {
 
 
     if os.Getppid() == InitProcess {
-        // 子进程不再处理
+        // 已是守护进程，不再处理
         return
     }
 
diff --git a/modules/crontask/cron_task.go b/modules/crontask/cron_task.go
index 63b033c..973ceb7 100644
--- a/modules/crontask/cron_task.go
+++ b/modules/crontask/cron_task.go
@@ -54,7 +54,7 @@ func (cronTask *CronTask) Add(name string, spec string, cmd cron.FuncJob) (err e
 }
 
 // 任务不存在则新增，任务已存在则删除后新增
-func (cronTask *CronTask) AddOrReplace(name string, spec string, cmd cron.FuncJob) error {
+func (cronTask *CronTask) Update(name string, spec string, cmd cron.FuncJob) error {
     if cronTask.IsExist(name) {
         cronTask.Delete(name)
     }
@@ -85,3 +85,10 @@ func (cronTask *CronTask) Delete(name string) {
     defer cronTask.Unlock()
     delete(cronTask.tasks, name)
 }
+
+// 删除所有任务
+func(cronTask *CronTask) DeleteAll()  {
+    for taskName, _ := range(cronTask.tasks) {
+        cronTask.Delete(taskName)
+    }
+}
\ No newline at end of file
diff --git a/service/task.go b/service/task.go
index e0f6320..9ca9eb5 100644
--- a/service/task.go
+++ b/service/task.go
@@ -40,7 +40,7 @@ func (task *Task) Add(taskModel models.Task) {
     }
     // 定时任务
     if taskModel.Type == models.Timing {
-        err := crontask.DefaultCronTask.AddOrReplace(strconv.Itoa(taskModel.Id), taskModel.Spec, taskFunc)
+        err := crontask.DefaultCronTask.Update(strconv.Itoa(taskModel.Id), taskModel.Spec, taskFunc)
         if err != nil {
             logger.Error(err)
         }
@@ -120,9 +120,16 @@ func execSSHHandler(module string, taskModel models.Task) (string, error) {
     return "", nil
 }
 
-func createTaskLog(taskId int) (int, error) {
+func createTaskLog(taskModel models.Task) (int, error) {
     taskLogModel := new(models.TaskLog)
-    taskLogModel.TaskId = taskId
+    taskLogModel.Name = taskModel.Name
+    taskLogModel.Spec = taskModel.Spec
+    taskLogModel.Protocol = taskModel.Protocol
+    taskLogModel.Type = taskModel.Type
+    taskLogModel.Command = taskModel.Command
+    taskLogModel.Timeout = taskModel.Timeout
+    taskLogModel.Delay = taskModel.Delay
+    taskLogModel.SshHosts = taskModel.SshHosts
     taskLogModel.StartTime = time.Now()
     taskLogModel.Status = models.Running
     insertId, err := taskLogModel.Create()
@@ -160,7 +167,7 @@ func createHandlerJob(taskModel models.Task) cron.FuncJob {
         return nil
     }
     taskFunc := func() {
-        taskLogId, err := createTaskLog(taskModel.Id)
+        taskLogId, err := createTaskLog(taskModel)
         if err != nil {
             logger.Error("写入任务日志失败-", err)
             return