src/org/nutz/mvc/Mvcs.java
public static Context resetALL() {
        Context context = reqt();
        NAME.set(null);
        ctx().removeReqCtx();
        return context;
    }
public static Context resetALL() {
        Context context = reqt();
        NAME.set(null);
        ctx().removeReqCtx();
        return context;
    }
重置当前线程所持有的对象