Nothing is wrong, estimation goes up.
Until the pool mines a block you will get nothing

A few days ago Namecoin and Bitcoin is received, after April 27 to now have not received Bitcoin, received several Namecoin only.
前几天Namecoin和比特币都是同时收到,4月27日以后到现在都没有收到过比特币,只收到几个Namecoin。