diff --git a/index.html b/index.html
index 86a5827..890a308 100644
--- a/index.html
+++ b/index.html
@@ -210,8 +210,13 @@
             let sender = sendForm["sender"].value,
                 receivers = {},
                 fee = parseFloat(sendForm["fee"].value);
-            for (let i = 0; i < sendForm["receiver"].length; i++)
-                receivers[sendForm["receiver"][i].value] = parseFloat(sendForm["amount"][i].value);
+            if (!sendForm["receiver"])
+                return console.warn("receiver cannot be empty");
+            else if (sendForm["receiver"] instanceof RadioNodeList)
+                for (let i = 0; i < sendForm["receiver"].length; i++)
+                    receivers[sendForm["receiver"][i].value] = parseFloat(sendForm["amount"][i].value);
+            else
+                receivers[sendForm["receiver"].value] = parseFloat(sendForm["amount"].value);
             let privKey = prompt("Enter Private Key:");
             sendForm['submit'].disabled = true;
             btc_api.sendTx(sender, privKey, receivers, fee).then(result => {
@@ -234,10 +239,10 @@
                     let row = table.insertRow();
                     if (tx.type === "out") {
                         row.insertCell().innerHTML = '&#8599;';
-                        row.insertCell().textContent = tx.receiver;
+                        row.insertCell().innerHTML = tx.receiver.join('<br/>');
                     } else if (tx.type === "in") {
                         row.insertCell().innerHTML = '&#8601;';
-                        row.insertCell().textContent = tx.sender;
+                        row.insertCell().innerHTML = tx.sender.join('<br/>');
                     } else if (tx.type === "self") {
                         row.insertCell().innerHTML = '&#10226';
                         row.insertCell().textContent = tx.address;
@@ -277,6 +282,7 @@
                                     change += parseFloat(o.value)
                             });
                             d.receiver = Array.from(d.receiver);
+                            d.amount = parseFloat(d.amount.toFixed(8))
                             d.fee = parseFloat((tx.outgoing.value - (d.amount + change)).toFixed(8))
                             if (!d.amount && change > 0) {
                                 d.type = "self";
diff --git a/lib_btc.js b/lib_btc.js
index 1f7c58e..420c5a7 100644
--- a/lib_btc.js
+++ b/lib_btc.js
@@ -2549,7 +2549,7 @@
     })();
 })(typeof global !== "undefined" ? global : window);
 
-(function(EXPORTS) { //btc_api v1.0.4a
+(function(EXPORTS) { //btc_api v1.0.4b
     const btc_api = EXPORTS;
 
     const URL = "https://chain.so/api/v2/";
@@ -2652,11 +2652,13 @@
                 for (let r in receivers)
                     total_amount += receivers[r];
                 total_amount = parseFloat(total_amount.toFixed(8));
+                if (total_amount < fee || total_amount <= 0)
+                    return reject("Invalid receiver amount");
                 if (balance < total_amount + fee)
                     return reject("Insufficient Balance");
                 var tx = coinjs.transaction();
                 getUTXO(senderID).then(result => {
-                    let utxos = result.data.txs.reverse();
+                    let utxos = result.data.txs;
                     console.debug(balance, utxos);
                     var input_total = 0;
                     for (let i = 0; i < utxos.length && input_total < total_amount + fee; i++) {
@@ -2709,4 +2711,4 @@
             .catch(error => reject(error))
     });
 
-})('object' === typeof module ? module.exports : window.btc_api = {});
+})('object' === typeof module ? module.exports : window.btc_api = {});
\ No newline at end of file