func: function setIsBuyByAtom(uint _atomId, uint128 _fee) external onlyActive onlyOwnerOf(_atomId,true) onlyBuying(_atomId, false){
  	    require(_fee > 0);
  	    CaDataContract.setAtomIsBuy(_atomId,_fee);
  	    NewSetBuy(tx.origin,_atomId);
    	}