修改一些日志提示

cluster.go

@@ -437,7 +437,7 @@ func (c *Cluster) doTask(ctx context.Context, taskId string) {
 
 	defer func() {
 		if err := recover(); err != nil {
-			c.logger.Errorf(ctx, "timer:定时器出错 err:%+v stack:%s", err, string(debug.Stack()))
+			c.logger.Errorf(ctx, "timer:回调任务panic err:%+v stack:%s", err, string(debug.Stack()))
 		}
 	}()
 

once.go

@@ -166,7 +166,7 @@ func (w *Once) watch() {
 func (w *Once) doTask(key string) {
 	defer func() {
 		if err := recover(); err != nil {
-			fmt.Println("timer:定时器出错", err)
+			fmt.Println("timer:回调任务panic", err)
 			log.Println("errStack", string(debug.Stack()))
 		}
 	}()

single.go

@@ -282,7 +282,7 @@ func (s *Single) iterator(ctx context.Context, nowTime time.Time) {
 func (s *Single) doTask(ctx context.Context, call callback, extend interface{}) error {
 	defer func() {
 		if err := recover(); err != nil {
-			s.logger.Errorf(ctx, "timer:定时器出错 err:%+v stack:%s", err, string(debug.Stack()))
+			s.logger.Errorf(ctx, "timer:回调任务panic err:%+v stack:%s", err, string(debug.Stack()))
 		}
 	}()