fix bug.

pkg/task/server.go

@@ -0,0 +1,19 @@
+package task
+
+/*
+  @Author : lanyulei
+*/
+
+import (
+	"ferry/pkg/logger"
+	"ferry/pkg/task/worker"
+)
+
+func Start() {
+	// 启动异步任务框架
+	taskWorker := worker.NewAsyncTaskWorker(0)
+	err := taskWorker.Launch()
+	if err != nil {
+		logger.Errorf("启动machinery失败，%v", err.Error())
+	}
+}