diff --git a/app/controller/Domain.php b/app/controller/Domain.php
index 85ef6c2..14e616d 100644
--- a/app/controller/Domain.php
+++ b/app/controller/Domain.php
@@ -990,7 +990,7 @@ class Domain extends BaseController
                     return json(['code' => -1, 'msg' => '参数不能为空']);
                 }
                 $dns = DnsHelper::getModel($drow['aid'], $drow['name'], $drow['thirdid']);
-                if ($dns->setWeightStatus($subdomain, $status, $type, $line)) {
+                if ($type == 'CNAME' || $dns->setWeightStatus($subdomain, $status, $type, $line)) {
                     if ($status == '1') {
                         $success = 0;
                         foreach($weight as $recordid => $weight) {
diff --git a/app/service/CertDeployService.php b/app/service/CertDeployService.php
index 2791778..3140641 100644
--- a/app/service/CertDeployService.php
+++ b/app/service/CertDeployService.php
@@ -89,7 +89,7 @@ class CertDeployService
     private function saveResult($status, $error = null, $retrytime = null)
     {
         $this->task['status'] = $status;
-        if (mb_strlen($error) > 300) {
+        if (!empty($error) && strlen($error) > 300) {
             $error = mb_strcut($error, 0, 300);
         }
         $update = ['status' => $status, 'error' => $error, 'retrytime' => $retrytime];
diff --git a/app/service/CertOrderService.php b/app/service/CertOrderService.php
index a136949..e532b89 100644
--- a/app/service/CertOrderService.php
+++ b/app/service/CertOrderService.php
@@ -178,7 +178,7 @@ class CertOrderService
     private function saveResult($status, $error = null, $retrytime = null)
     {
         $this->order['status'] = $status;
-        if (mb_strlen($error) > 300) {
+        if (!empty($error) && strlen($error) > 300) {
             $error = mb_strcut($error, 0, 300);
         }
         $update = ['status' => $status, 'error' => $error, 'updatetime' => date('Y-m-d H:i:s'), 'retrytime' => $retrytime];
diff --git a/app/view/domain/weight.html b/app/view/domain/weight.html
index 538f13f..02c592e 100644
--- a/app/view/domain/weight.html
+++ b/app/view/domain/weight.html
@@ -156,6 +156,8 @@ function editframe(id){
 				$("#form-store input[name=id]").val(id);
 				$("#form-store input[name=subdomain]").val(row.SubDomain);
 				$("#form-store input[name=type]").val(row.Type);
+				if(row.Type == 'CNAME') $("#weight-switch").prop("disabled", true);
+				else $("#weight-switch").prop("disabled", false);
 				
 				lineList = [];
 				$.each(recordLine, function(i, item){