bug fix wrong parameters when call HeroUnion api

themes/tajian/controller/FrontapiController.php

@@ -202,9 +202,9 @@ Class FrontApiController extends SiteController {
             'url' => $shareUrl,
             'platform' => $platform,
             'contract' => $heroUnionConfig['contract'],
-            'data_mode' => $heroUnionConfig['contract'],
+            'data_mode' => $heroUnionConfig['data_mode'],
-            'country' => $heroUnionConfig['contract'],
+            'country' => $heroUnionConfig['country'],
-            'lang' => $heroUnionConfig['contract'],
+            'lang' => $heroUnionConfig['lang'],
             'notify_url' => $heroUnionConfig['notify_url'],
         );
         $params['sign'] = $this->sign($params, $heroUnionConfig['token']);
@@ -213,7 +213,8 @@ Class FrontApiController extends SiteController {
         $timeout = 10;
         $pc = false;
         $headers = array("Content-Type: application/json");
-        $res = $this->request($api, $params, $timeout, $pc, $headers);
+        //以json格式post数据
+        $res = $this->request($api, json_encode($params), $timeout, $pc, $headers);
 
         return !empty($res) && $res['status'] == 200 ? $res['result'] : false;
     }