diff --git a/app/Service/v3/CcbPaymentService.php b/app/Service/v3/CcbPaymentService.php
index 9bae09e..75d1dd6 100644
--- a/app/Service/v3/CcbPaymentService.php
+++ b/app/Service/v3/CcbPaymentService.php
@@ -5,16 +5,16 @@ namespace App\Service\v3;
 use App\Commons\Log;
 use App\Constants\v3\ErrorCode;
 use App\Constants\v3\LogLabel;
-use App\Constants\v3\OrderState;
 use App\Exception\BusinessException;
 use App\Exception\ErrorCodeException;
 use App\Model\v3\CcbPayment;
 use App\Model\v3\OrderMain;
-use App\Model\v3\Store;
 use App\Model\v3\User;
+use App\TaskWorker\SSDBTask;
 use Hyperf\Di\Annotation\Inject;
 use Hyperf\Guzzle\ClientFactory;
 use Hyperf\Logger\LoggerFactory;
+use Hyperf\Utils\ApplicationContext;
 
 class CcbPaymentService
 {
@@ -189,7 +189,9 @@ class CcbPaymentService
             if (is_array($item)) {
                 foreach ($item as $child) {
                     $value = $this->createSign($child);
-                    $result[] = ['', $value];
+                    if ($value !== '') {
+                        $result[] = ['', $value];
+                    }
                 }
             } else {
                 $value = trim($item);
@@ -202,9 +204,7 @@ class CcbPaymentService
         $str = '';
 
         foreach ($result as [$key, $value]) {
-            if ($value) {
-                $str .= $key ? "$key=$value&" : "$value&";
-            }
+            $str .= $key ? "$key=$value&" : "$value&";
         }
 
         return rtrim($str, '&');
@@ -246,12 +246,12 @@ class CcbPaymentService
 
         if (!isset($result['Svc_Rsp_St']) || $result['Svc_Rsp_St'] != '00') {
             $this->saveApiLog($useTime, $uri, $params, $content);
-            throw new BusinessException(500, ($result['Rsp_Inf'] ?? 'CCB请求失败'));
+            throw new BusinessException(500, (($result['Rsp_Inf'] ?? '') ?: 'CCB请求失败'));
         }
 
         if (!isset($result['Sign_Inf']) || !$this->verifySign($this->createSign($result), $result['Sign_Inf'])) {
             $this->saveApiLog($useTime, $uri, $params, $content);
-            throw new BusinessException(500, ($result['Rsp_Inf'] ?? 'CCB验签失败'));
+            throw new BusinessException(500, (($result['Rsp_Inf'] ?? '') ?: 'CCB验签失败'));
         }
 
         if ($this->isDebug) {
@@ -373,7 +373,20 @@ class CcbPaymentService
             'Vno'              => '4',
         ];
 
-        return $this->apiRequest($uri, $params);
+        $ssdb = ApplicationContext::getContainer()->get(SSDBTask::class);
+
+        $key = 'ccb_'.__FUNCTION__.'_'.$Main_Ordr_No.$Py_Trn_No;
+
+        if ($ssdb->exec('setnx',$key, 1)) {
+            try {
+                return $this->apiRequest($uri, $params);
+            } finally {
+                $ssdb->exec('expire', $key, 2);
+            }
+        } else {
+            sleep(1);
+            return $this->gatherEnquireOrder($Main_Ordr_No, $Py_Trn_No);
+        }
     }
 
     /**