diff --git a/app/controller/Domain.php b/app/controller/Domain.php
index 425d25a..7bb3381 100644
--- a/app/controller/Domain.php
+++ b/app/controller/Domain.php
@@ -198,7 +198,7 @@ class Domain extends BaseController
         if (!empty($id)) {
             $select->where('A.id', $id);
         } elseif (!empty($kw)) {
-            $select->whereLike('name|A.remark', '%' . $kw . '%');
+            $select->whereLike('A.name|A.remark', '%' . $kw . '%');
         }
         if (!empty($aid)) {
             $select->where('A.aid', $aid);
diff --git a/app/lib/cert/customacme.php b/app/lib/cert/customacme.php
index 1467167..b41ae67 100644
--- a/app/lib/cert/customacme.php
+++ b/app/lib/cert/customacme.php
@@ -62,10 +62,14 @@ class customacme implements CertInterface
 
         $dnsList = [];
         if (!empty($order['challenges'])) {
+            $keys = [];
             foreach ($order['challenges'] as $opts) {
+                $key = $opts['key'] . '|' .$opts['value'];
+                if (in_array($key, $keys)) continue;
                 $mainDomain = getMainDomain($opts['domain']);
                 $name = substr($opts['key'], 0, -(strlen($mainDomain) + 1));
                 $dnsList[$mainDomain][] = ['name' => $name, 'type' => 'TXT', 'value' => $opts['value']];
+                $keys[] = $key;
             }
         }
 
diff --git a/app/lib/cert/litessl.php b/app/lib/cert/litessl.php
index 3d529b6..11f07a9 100644
--- a/app/lib/cert/litessl.php
+++ b/app/lib/cert/litessl.php
@@ -59,13 +59,17 @@ class litessl implements CertInterface
 
         $dnsList = [];
         if (!empty($order['challenges'])) {
+            $keys = [];
             foreach ($order['challenges'] as $opts) {
+                $key = $opts['key'] . '|' .$opts['value'];
+                if (in_array($key, $keys)) continue;
                 $mainDomain = getMainDomain($opts['domain']);
                 $name = substr($opts['key'], 0, -(strlen($mainDomain) + 1));
                 /*if (!array_key_exists($mainDomain, $dnsList)) {
                     $dnsList[$mainDomain][] = ['name' => '@', 'type' => 'CAA', 'value' => '0 issue "litessl.cn"'];
                 }*/
                 $dnsList[$mainDomain][] = ['name' => $name, 'type' => 'TXT', 'value' => $opts['value']];
+                $keys[] = $key;
             }
         }
 
diff --git a/app/view/domain/account.html b/app/view/domain/account.html
index 47cb63c..aa6445c 100644
--- a/app/view/domain/account.html
+++ b/app/view/domain/account.html
@@ -9,7 +9,7 @@
 <form onsubmit="return searchSubmit()" method="GET" class="form-inline" id="searchToolbar">
   <div class="form-group">
 	<label>搜索</label>
-    <input type="text" class="form-control" name="kw" placeholder="AccessKey或备注">
+    <input type="text" class="form-control" name="kw" placeholder="账户名称或备注">
   </div>
   <button type="submit" class="btn btn-primary"><i class="fa fa-search"></i> 搜索</button>
   <a href="javascript:searchClear()" class="btn btn-default" title="刷新域名账户列表"><i class="fa fa-refresh"></i> 刷新</a>
@@ -54,7 +54,7 @@ $(document).ready(function(){
 			},
             {
 				field: 'name',
-				title: 'AccessKey'
+				title: '账户名称'
 			},
 			{
 				field: 'remark',
diff --git a/config/app.php b/config/app.php
index d2a1174..ba381a5 100644
--- a/config/app.php
+++ b/config/app.php
@@ -31,7 +31,7 @@ return [
     'show_error_msg'   => true,
     'exception_tmpl'   => \think\facade\App::getAppPath() . 'view/exception.tpl',
 
-    'version' => '1046',
+    'version' => '1047',
 
     'dbversion' => '1045'
 ];