src/org/nutz/runner/NutRunner.java
public void run() {
        if (log == null) {
            log = Logs.get().setTag(rnm);
        }
        myThread = Thread.currentThread();

        beforeStart(this);
        doIt();
        afterStop(this);
    }
public void run() {
        if (log == null) {
            log = Logs.get().setTag(rnm);
        }
        myThread = Thread.currentThread();

        beforeStart(this);
        doIt();
        afterStop(this);
    }
主逻辑,用户代码不应该覆盖.