diff --git a/app/view/domain/record.html b/app/view/domain/record.html
index 72a1ddf..763de3e 100644
--- a/app/view/domain/record.html
+++ b/app/view/domain/record.html
@@ -290,12 +290,16 @@ $(document).ready(function(){
 			   field: 'Value',
 			   title: '记录值',
 			   formatter: function(value, row, index) {
-				   var display = value;
-				   if(row.Type == 'MX') display = value + ' | ' + row.MX;
 				   var copyId = 'copy-value-' + row.RecordId;
-				   // 只允许安全字符，避免引号问题
-				   var safeValue = (value+'').replace(/'/g, "'").replace(/\\/g, "\\\\");
-				   return '<span id="'+copyId+'">'+display+'</span><a href="javascript:void(0);" title="复制记录值" onclick="copyToClipboard(\''+safeValue+'\', \'#'+copyId+'\')" style="padding-left:6px;"><i class=\"fa fa-copy\"></i></a>';
+				   if(row.Type == 'MX') {
+					   // 只复制 mx.yandex.net，按钮在其右侧，优先级单独显示
+					   return '<span id="'+copyId+'" data-value="'+htmlEscape(value)+'">'+value+'</span>'
+						   + '<a href="javascript:void(0);" title="复制记录值" onclick="copyToClipboard(null, \'#'+copyId+'\')" style="padding-left:6px;"><i class=\"fa fa-copy\"></i></a>'
+						   + '<span class="mx-priority"> | '+row.MX+'</span>';
+				   } else {
+					   return '<span id="'+copyId+'" data-value="'+htmlEscape(value)+'">'+value+'</span>'
+						   + '<a href="javascript:void(0);" title="复制记录值" onclick="copyToClipboard(null, \'#'+copyId+'\')" style="padding-left:6px;"><i class=\"fa fa-copy\"></i></a>';
+				   }
 			   }
 		   },
 			{
@@ -728,23 +732,38 @@ function advanceSearch(){
 	}
 }
 function copyToClipboard(text, selector) {
-	var tempInput = document.createElement('input');
-	tempInput.style.position = 'absolute';
-	tempInput.style.left = '-9999px';
-	tempInput.value = text;
-	document.body.appendChild(tempInput);
-	tempInput.select();
-	document.execCommand('copy');
-	document.body.removeChild(tempInput);
-	if(selector){
-		var icon = document.querySelector(selector + ' + a i');
-		if(icon){
-			var oldClass = icon.className;
-			icon.className = 'fa fa-check';
-			setTimeout(function(){ icon.className = oldClass; }, 1000);
-		}
-	}
-	layer.msg('已复制到剪贴板', {icon: 1, time: 600});
+    if (!text && selector) {
+        var el = document.querySelector(selector);
+        if (el) {
+            text = el.getAttribute('data-value');
+        }
+    }
+    var tempInput = document.createElement('input');
+    tempInput.style.position = 'absolute';
+    tempInput.style.left = '-9999px';
+    tempInput.value = text;
+    document.body.appendChild(tempInput);
+    tempInput.select();
+    document.execCommand('copy');
+    document.body.removeChild(tempInput);
+    if(selector){
+        var icon = document.querySelector(selector + ' + a i');
+        if(icon){
+            var oldClass = icon.className;
+            icon.className = 'fa fa-check';
+            setTimeout(function(){ icon.className = oldClass; }, 1000);
+        }
+    }
+    layer.msg('已复制到剪贴板', {icon: 1, time: 600});
+}
+// 工具函数：HTML转义，防止XSS
+function htmlEscape(str) {
+    return String(str)
+        .replace(/&/g, '&amp;')
+        .replace(/</g, '&lt;')
+        .replace(/>/g, '&gt;')
+        .replace(/"/g, '&quot;')
+        .replace(/'/g, '&#39;');
 }
 </script>
 {/block}
\ No newline at end of file