容错处理

@@ -350,7 +350,8 @@ public class MerchantServiceImpl {
 			info.setLockEarnestMoney(null == lockMoney?null:lockMoney.toString());
 			info.setAvailEarnestMoney(null == amount?null:amount.toString());
 			info.setUid(sellerWallet.getUid());
-			info.setMerchantName((String)storedSellerMap.get(sellerWallet.getUid()).get("cert_name"));
+			Map<String,Object> certInfo = storedSellerMap.get(sellerWallet.getUid());
+			info.setMerchantName(certInfo==null?"":(String)certInfo.get("cert_name"));
 			infos.add(info);
 		}
 		return infos;