diff --git a/app/controller/Cert.php b/app/controller/Cert.php
index 7768f86..33550cd 100644
--- a/app/controller/Cert.php
+++ b/app/controller/Cert.php
@@ -304,7 +304,9 @@ class Cert extends BaseController
                     }
                 }
 
-                $privatekey = CertHelper::ensureECPrivateKeyFormat($privatekey);
+                if ($certInfo['keytype'] == 'ECC') {
+                    $privatekey = CertHelper::ensureECPrivateKeyFormat($privatekey);
+                }
                 
                 $order = [
                     'aid' => 0,
@@ -369,7 +371,9 @@ class Cert extends BaseController
                 if ($certInfo['code'] == -1) return json($certInfo);
                 $domains = $certInfo['domains'];
 
-                $privatekey = CertHelper::ensureECPrivateKeyFormat($privatekey);
+                if ($certInfo['keytype'] == 'ECC') {
+                    $privatekey = CertHelper::ensureECPrivateKeyFormat($privatekey);
+                }
                 
                 $order = [
                     'aid' => 0,
diff --git a/app/service/CertOrderService.php b/app/service/CertOrderService.php
index 6b8f276..0935ec4 100644
--- a/app/service/CertOrderService.php
+++ b/app/service/CertOrderService.php
@@ -342,10 +342,7 @@ class CertOrderService
             throw $e;
         }
         $this->order['issuer'] = $result['issuer'];
-        
-        $private_key = CertHelper::ensureECPrivateKeyFormat($result['private_key']);
-        
-        Db::name('cert_order')->where('id', $this->order['id'])->update(['fullchain' => $result['fullchain'], 'privatekey' => $private_key, 'issuer' => $result['issuer'], 'issuetime' => date('Y-m-d H:i:s', $result['validFrom']), 'expiretime' => date('Y-m-d H:i:s', $result['validTo'])]);
+        Db::name('cert_order')->where('id', $this->order['id'])->update(['fullchain' => $result['fullchain'], 'privatekey' => $result['private_key'], 'issuer' => $result['issuer'], 'issuetime' => date('Y-m-d H:i:s', $result['validFrom']), 'expiretime' => date('Y-m-d H:i:s', $result['validTo'])]);
         $this->saveResult(3);
         $this->resetRetry();
     }