diff --git a/src/OpenPlatform/Authorizer/Mini/Model/VersionAuditContentBuilder.php b/src/OpenPlatform/Authorizer/Mini/Model/VersionAuditContentBuilder.php
index 7868ac3..765683f 100644
--- a/src/OpenPlatform/Authorizer/Mini/Model/VersionAuditContentBuilder.php
+++ b/src/OpenPlatform/Authorizer/Mini/Model/VersionAuditContentBuilder.php
@@ -7,7 +7,9 @@
  */
 
 namespace EasyAlipay\OpenPlatform\Authorizer\Mini\Model;
-class VersionAuditContentBuilder
+use EasyAlipay\Kernel\AppRequest;
+
+class VersionAuditContentBuilder extends AppRequest
 {
     /**
      * @var string 小程序版本号
@@ -25,22 +27,6 @@ class VersionAuditContentBuilder
      * @var array 省市区信息，当区域类型为LOCATION时，不能为空
      */
     private $serviceRegionInfo;
-    /**
-     * @var array 参数数组
-     */
-    private $bizContentarr = [];
-    /**
-     * @var string  参数字符串
-     */
-    private $bizContent = NULL;
-
-    public function getBizContent()
-    {
-        if (!empty($this->bizContentarr)) {
-            $this->bizContent = json_encode($this->bizContentarr, JSON_UNESCAPED_UNICODE);
-        }
-        return $this->bizContent;
-    }
 
     /**
      * @param $appVersion
@@ -48,7 +34,7 @@ class VersionAuditContentBuilder
     public function setAppVersion($appVersion)
     {
         $this->appVersion = $appVersion;
-        $this->bizContentarr['app_version'] = $appVersion;
+        $this->apiParas['app_version'] = $appVersion;
     }
 
     /**
@@ -65,7 +51,7 @@ class VersionAuditContentBuilder
     public function setVersionDesc($versionDesc)
     {
         $this->versionDesc = $versionDesc;
-        $this->bizContentarr['version_desc'] = $versionDesc;
+        $this->apiParas['version_desc'] = $versionDesc;
     }
 
     /**
@@ -82,7 +68,7 @@ class VersionAuditContentBuilder
     public function setRegionType($regionType)
     {
         $this->regionType = $regionType;
-        $this->bizContentarr['region_type'] = $regionType;
+        $this->apiParas['region_type'] = $regionType;
     }
 
     /**
@@ -99,7 +85,7 @@ class VersionAuditContentBuilder
     public function setServiceRegionInfo($serviceRegionInfo)
     {
         $this->serviceRegionInfo = $serviceRegionInfo;
-        $this->bizContentarr['service_region_info'] = $serviceRegionInfo;
+        $this->apiParas['service_region_info'] = $serviceRegionInfo;
     }
 
     /**
@@ -117,7 +103,7 @@ class VersionAuditContentBuilder
     public function setParams($params)
     {
         foreach ($params as $k => $v) {
-            $this->bizContentarr[$k] = $v;
+            $this->apiParas[$k] = $v;
         }
     }
 }
\ No newline at end of file
diff --git a/src/OpenPlatform/Authorizer/Mini/Version/Client.php b/src/OpenPlatform/Authorizer/Mini/Version/Client.php
index 275b770..d9bfc33 100644
--- a/src/OpenPlatform/Authorizer/Mini/Version/Client.php
+++ b/src/OpenPlatform/Authorizer/Mini/Version/Client.php
@@ -63,16 +63,14 @@ class Client extends AppClient
      */
     public function audit(string $appVersion, string $versionDesc, string $regionType, array $serviceRegionInfo = [], array $params = [])
     {
-        $contentBuilder = new VersionAuditContentBuilder();
-        $contentBuilder->setAppVersion($appVersion);
-        $contentBuilder->setVersionDesc($versionDesc);
-        $contentBuilder->setRegionType($regionType);
+        $request = new VersionAuditContentBuilder();
+        $request->setAppVersion($appVersion);
+        $request->setVersionDesc($versionDesc);
+        $request->setRegionType($regionType);
         if ($regionType == 'LOCATION') {
-            $contentBuilder->setServiceRegionInfo($serviceRegionInfo);
+            $request->setServiceRegionInfo($serviceRegionInfo);
         }
-        $contentBuilder->setParams($params);
-        $request = new AppRequest();
-        $request->setBizContent($contentBuilder->getBizContent());
+        $request->setParams($params);
         $request->setApiMethodName("alipay.open.mini.version.audit.apply");
         return ($this->execute($request));
     }