diff --git a/src/Push.php b/src/Push.php
index 64693ca..3edaea2 100644
--- a/src/Push.php
+++ b/src/Push.php
@@ -32,13 +32,19 @@ public function __construct($apiKey, $apiSecret, Request $request)
      *
      * @throws Exception
      */
-    public function parse($data = null)
+    public function parse($postRaw = null)
     {
-        if (!$data) {
-            $data = json_decode($this->request->getContent(), true);
+        if (!$postRaw) {
+            $postRaw = $this->request->getContent();
+        }
+
+        parse_str($postRaw, $data);
+        if (!is_array($data)) {
+            throw new \Exception('数据不正确');
         }
 
         $this->checkSign($data);
+
         return $data;
     }
 
@@ -46,7 +52,7 @@ public function checkSign(array $data)
     {
         $sign = $this->signature($data);
 
-        if ($sign != $data['sign']) {
+        if (!isset($data['sign']) || $sign != $data['sign']) {
             throw new \Exception('签名不正确');
         }
     }
diff --git a/tests/GongmallApiTest.php b/tests/GongmallApiTest.php
index 8b057cd..830df38 100644
--- a/tests/GongmallApiTest.php
+++ b/tests/GongmallApiTest.php
@@ -89,20 +89,21 @@ public function testCompany()
      */
     public function testPush()
     {
-        //回调示例
-        $callback_str = 'appKey=58ead180d70a49048c8df010124fb9d7&bankName=%E4%B8%AD%E5%9B%BD%E5%B7%A5%E5%95%86%E9%93%B6%E8%A1%8C&extraParam=&identity=411423198309221234&mobile=18627000000&name=%E9%99%88%E4%BC%AF%E4%B9%90&nonce=f8d4a31e391f4fffabfb785d5cdc44e1&salaryAccount=6212253202006079587&sign=xxx&status=2&timestamp=1550055394039&workNumber=8096';
-        parse_str($callback_str, $post);
-
-        $this->expectException(\Exception::class);
-        $result = $this->gongmall->push->parse($post);
-
         //回调示例
         $callback_str = 'appKey=58ead180d70a49048c8df010124fb9d7&bankName=%E4%B8%AD%E5%9B%BD%E5%B7%A5%E5%95%86%E9%93%B6%E8%A1%8C&extraParam=&identity=411423198309221234&mobile=18627000000&name=%E9%99%88%E4%BC%AF%E4%B9%90&nonce=f8d4a31e391f4fffabfb785d5cdc44e1&salaryAccount=6212253202006079587&sign=F2142A0AD77796FAC3328625AC8CCE38&status=2&timestamp=1550055394039&workNumber=8096';
-        parse_str($callback_str, $post);
-
-        $result = $this->gongmall->push->parse($post);
+        $result = $this->gongmall->push->parse($callback_str);
+        // dump($result);
 
         $this->assertArrayHasKey('appKey', $result);
         $this->assertArrayHasKey('sign', $result);
     }
+
+    public function testPushHasException()
+    {
+        //回调示例
+        $callback_str = 'appKey=58ead180d70a49048c8df010124fb9d7&bankName=%E4%B8%AD%E5%9B%BD%E5%B7%A5%E5%95%86%E9%93%B6%E8%A1%8C&extraParam=&identity=411423198309221234&mobile=18627000000&name=%E9%99%88%E4%BC%AF%E4%B9%90&nonce=f8d4a31e391f4fffabfb785d5cdc44e1&salaryAccount=6212253202006079587&sign=xxx&status=2&timestamp=1550055394039&workNumber=8096';
+
+        $this->expectException(\Exception::class);
+        $result = $this->gongmall->push->parse($callback_str);
+    }
 }