diff --git a/src/kaleido/http/Capture.php b/src/kaleido/http/Capture.php
index 2453683..4e161b5 100755
--- a/src/kaleido/http/Capture.php
+++ b/src/kaleido/http/Capture.php
@@ -8,7 +8,6 @@
 
 class Capture extends Worker
 {
-    public static $lock = [];
     public $activity = ['history', 'current'];
     public $leancloud = [];
     public $apiServer;
@@ -94,13 +93,8 @@ private function activity($activity = null) {
             $this->switchHandle('request');
             $this->setTiming();
             new Sender(parent::getItem('request'));
-            $this->lockClass();
+            parent::lockItem();
             new Decoder(Sender::response(false));
         }
     }
-
-    private function lockClass() {
-        self::$lock = self::$item;
-        parent::resetClass();
-    }
 }
\ No newline at end of file
diff --git a/src/kaleido/http/Decoder.php b/src/kaleido/http/Decoder.php
index eb09d9a..732979c 100644
--- a/src/kaleido/http/Decoder.php
+++ b/src/kaleido/http/Decoder.php
@@ -5,7 +5,6 @@
 class Decoder extends Worker
 {
     private static $handleItem = [];
-    private static $lock;
     public $error = false;
     public $errorCode = 0;
     public $respType;
@@ -23,7 +22,7 @@ public function __construct(array $response) {
         parent::unpackItem($response);
         parent::matchTaskId();
         $this->handle();
-        $this->lockClass();
+        parent::lockItem(__CLASS__);
     }
 
     private function handle() {
@@ -42,11 +41,6 @@ private function checkError() {
         }
     }
 
-    private function lockClass() {
-        self::$lock = self::$item;
-        self::resetClass();
-    }
-
     public static function getHandle($item = null) {
         return self::$handleItem[$item] ?? null;
     }
@@ -57,14 +51,14 @@ private function setHandle() {
     }
 
     public static function class($encode) {
-        return $encode ? json_encode(self::$lock)
-            : (array)self::$lock;
+        return $encode ? json_encode(parent::$lock[__CLASS__])
+            : (array)parent::$lock[__CLASS__];
     }
 
     public static function getBody() {
-        \is_string(self::$lock['body']) ?: new HttpException(
-            parent::getError('0x02'), 500);
-        return self::$lock['body'];
+        \is_string(parent::$lock[__CLASS__]['body'])
+            ?: new HttpException(parent::getError('0x02'), 500);
+        return parent::$lock[__CLASS__]['body'];
     }
 
     private function setResponseDate() {
diff --git a/src/kaleido/http/Encoder.php b/src/kaleido/http/Encoder.php
index 03921d0..a972edb 100644
--- a/src/kaleido/http/Encoder.php
+++ b/src/kaleido/http/Encoder.php
@@ -7,7 +7,6 @@ class Encoder extends Worker
     public $allow = ['post', 'put', 'head', 'options', 'search', 'patch', 'delete'];
     public $method;
     public $host;
-    private static $lock = [];
 
     /**
      * Encoder constructor.
@@ -21,7 +20,7 @@ public function __construct($taskId, $url) {
         parent::matchTaskId($taskId);
         $this->check($url);
         $this->handle($taskId, $url);
-        $this->lockClass();
+        parent::lockItem(__CLASS__);
     }
 
     private function check($url) {
@@ -35,14 +34,9 @@ private function handle($taskId, $url) {
         ->setCookie()->setHeader()->setMaxSize();
     }
 
-    private function lockClass() {
-        self::$lock = self::$item;
-        self::resetClass();
-    }
-
-    public static function class($encode) {
-        return $encode ? json_encode(self::$lock)
-            : self::$lock;
+    public static function payload($encode) {
+        return $encode ? json_encode(parent::$lock[__CLASS__])
+            : (array)parent::$lock[__CLASS__];
     }
 
     private function getHost($url = null) :string {
diff --git a/src/kaleido/http/LeanCloud.php b/src/kaleido/http/LeanCloud.php
index 1358dd1..3a0717e 100755
--- a/src/kaleido/http/LeanCloud.php
+++ b/src/kaleido/http/LeanCloud.php
@@ -41,7 +41,7 @@ public static function setApiServer($apiServer) {
     }
 
     public function setRequest(LeanObject $class) :LeanObject {
-        return $class->set('request', Encoder::class(false));
+        return $class->set('request', Encoder::payload(false));
     }
 
     public function setResponse(LeanObject $class) :LeanObject {
diff --git a/src/kaleido/http/Loader.php b/src/kaleido/http/Loader.php
index ba77afc..f51974f 100644
--- a/src/kaleido/http/Loader.php
+++ b/src/kaleido/http/Loader.php
@@ -7,7 +7,6 @@
 
 class Loader extends Worker
 {
-    public static $lock = [];
     public $allow = ['dynamic'];
     public $expire = [];
     public $hashName;
@@ -25,7 +24,7 @@ public function __construct() {
         $this->getEnv('database');
         $this->unpackItem('loadInfo');
         $this->handle();
-        $this->lockClass();
+        parent::lockItem(__CLASS__);
     }
 
     public function __toString() {
@@ -95,8 +94,8 @@ private function loadDatabase() {
     }
 
     public static function fetch() {
-        return \is_string(self::$lock['fetch'])
-            ? self::$lock['fetch'] : 'error_fetch';
+        return \is_string(self::$lock[__CLASS__]['fetch'])
+            ? self::$lock[__CLASS__]['fetch'] : 'error_fetch';
     }
 
     private function local($setName, $fileName) {
@@ -134,7 +133,7 @@ private function setLoadCache($name, $value = null) {
      */
     public function listenHttp($taskId, $url) :string {
         new Encoder($taskId, $url);
-        new Sender(Encoder::class(false));
+        new Sender(Encoder::payload(false));
         new Decoder(Sender::response(false));
         new Capture();
         return Decoder::getBody();
@@ -165,11 +164,6 @@ private function setConsole() {
          : error_log('redisExpire: '. (parent::getItem('expire') - time()));
     }
 
-    private function lockClass() {
-        self::$lock = self::$item;
-        self::resetClass();
-    }
-
     private function isJson($data = null) {
         if (!\is_object(json_decode($data))) {
             new HttpException(
diff --git a/src/kaleido/http/Sender.php b/src/kaleido/http/Sender.php
index 0ad303b..4fa64b1 100644
--- a/src/kaleido/http/Sender.php
+++ b/src/kaleido/http/Sender.php
@@ -7,7 +7,6 @@
 
 class Sender extends Worker
 {
-    private static $lock;
     public $protocol = ['get', 'post', 'put', 'head', 'options', 'search', 'patch', 'delete'];
     public $maxSize;
     public $url;
@@ -25,7 +24,7 @@ public function __construct(array $payload) {
         parent::unpackItem($payload);
         $this->check();
         $this->handle();
-        $this->lockClass();
+        parent::lockItem(__CLASS__);
     }
 
     public function check() {
@@ -52,14 +51,9 @@ public function handle() {
         : $this->setBody($curl->response, $curl->responseHeaders);
     }
 
-    private function lockClass() {
-        self::$lock = self::$item;
-        self::resetClass();
-    }
-
     public static function response($encode) {
-        return $encode ? json_encode(self::$lock)
-            : (array)self::$lock;
+        return $encode ? json_encode(self::$lock[__CLASS__])
+            : (array)self::$lock[__CLASS__];
     }
 
     private function setTaskId() {
diff --git a/src/kaleido/http/Worker.php b/src/kaleido/http/Worker.php
index edad58f..9bae8d6 100644
--- a/src/kaleido/http/Worker.php
+++ b/src/kaleido/http/Worker.php
@@ -4,6 +4,7 @@
 
 class Worker
 {
+    protected static $lock = [];
     public static $loader;
     public static $timing = [];
     public static $item = [];
@@ -124,7 +125,8 @@ protected static function getError($id = null) :string {
         });
     }
 
-    protected static function resetClass() :array {
+    protected function lockItem($className = null) :array {
+        self::$lock[$className] = self::$item;
         return self::$item = [];
     }
 }
\ No newline at end of file