#tradewind:update wechat auth

app/Http/Controllers/Api/WechatAuthController.php

@@ -8,7 +8,17 @@ use Illuminate\Http\Request;
 class WechatAuthController extends Controller
 {
     //
-    public function checkSign(Request $request)
+    public function auth(Request $request)
+    {
+        if ($this->checkSign($request)) {
+            return $request->echostr;
+        }
+
+        return false;
+    }
+
+
+    private function checkSign($request)
     {
         $signature = $request->signature;
         $timestamp = $request->timestamp;