diff --git a/js/bdwareclient.js b/js/bdwareclient.js
index 5b2030c..5b32df0 100644
--- a/js/bdwareclient.js
+++ b/js/bdwareclient.js
@@ -313,6 +313,7 @@ function displayOutput(obj) {
 
 function initWSocket() {
     let host = $("#urlInput")[0].value;
+    document.title = `数瑞浏览器（${host}）`
     if (!host.startsWith("ws")) {
         if (location.href.startsWith("https")) {
             host = "wss://" + host;
@@ -375,6 +376,7 @@ function changeApp() {
         return;
     }
     console.log(global.currentContract);
+    document.title = `数瑞浏览器（${global.currentContract} - ${$("#urlInput")[0].value}）`
     changeAppInternal(needRender(global.currentContract));
 }
 
@@ -474,21 +476,21 @@ function triggerExecuteCurrentContract() {
     console.log(funNode);
     const argInput = $("#argInput");
     var contract = global.currentContract;
-    var gas = $("#gasInput")[0].value/1;
-    executeContractWithGas(contract.id, funNode.functionName, argInput[0].value,gas,
+    var gas = $("#gasInput")[0].value / 1;
+    executeContractWithGas(contract.id, funNode.functionName, argInput[0].value, gas,
         fillResultInternal, executeContractAsDebug.checked);
     var iHtml = "/SCIDE/SCManager?action=executeContract&contractID="
         + global.currentContract.name + "&operation="
         + funNode.functionName + "&arg=" + argInput[0].value;
 
     var toSign = global.currentContract.name + "|" + funNode.functionName + "|"
-        + argInput[0].value ;
-    if (gas>0){
-      toSign+="|"+gas;
-      iHtml+="&gasLimit="+gas;
+        + argInput[0].value;
+    if (gas > 0) {
+        toSign += "|" + gas;
+        iHtml += "&gasLimit=" + gas;
     }
-    iHtml+= "&pubkey=" + global.sm2Key.publicKey + "&signature=";
-    toSign+= "|" + global.sm2Key.publicKey;
+    iHtml += "&pubkey=" + global.sm2Key.publicKey + "&signature=";
+    toSign += "|" + global.sm2Key.publicKey;
     const signature = sm2.doSignature(toSign, global.sm2Key.privateKey, {hash: true, der: true});
     let urlPre = $("#urlInput")[0].value;
     if (urlPre.startsWith("ws")) {
@@ -528,8 +530,8 @@ function fillResultInternal(result, data) {
     global.responseCollector[data.responseID].push(data);
     $("#statusSpan")[0].innerHTML = result.status;
     $("#timeSpan")[0].innerHTML = "调用耗时:" + data.executeTime + "(ms)";
-    if (data.executionGas !=undefined && data.executionGas>0)
-     $("#timeSpan")[0].innerHTML+="<br> "+data.executionGas+"(gas)";
+    if (data.executionGas != undefined && data.executionGas > 0)
+        $("#timeSpan")[0].innerHTML += "<br> " + data.executionGas + "(gas)";
     $("#timeSpan")[0].innerHTML
     if (result.result instanceof Object) {
         $("#responseArea")[0].value = JSON.stringify(result.result);