海报优化

@@ -422,7 +422,8 @@ class Index extends Api
         $user_id = $this->auth->id > 0 ? $this->auth->id : 0;
         $qrcode_id = "{$job_id}_{$user_id}";
         $qrcode = $dir.'/qrcode_'.$qrcode_id.'.png';
-        if(!file_exists($qrcode)){
+        $img = imagecreatefromjpeg(ROOT_PATH.'public/'.$qrcode);
+        if(!file_exists($qrcode) || imagesx($img) != 192){
             $user_id = $this->auth->id > 0 ? $this->auth->id : 0;
             $response = Wechat::miniProgram()->app_code->getUnlimit($qrcode_id, [
                 'page'  => 'pages/zhiwei_xq/zhiwei_xq',
@@ -431,11 +432,7 @@ class Index extends Api
             if ($response instanceof \EasyWeChat\Kernel\Http\StreamResponse) {
                 $response->saveAs($dir, str_replace($dir.'/','',$qrcode));
             }
-        }
-
-        // 280不满足，再缩小
-        $img = imagecreatefromjpeg(ROOT_PATH.'public/'.$qrcode);
-        if(imagesx($img) != 192){
+            // 280不满足，再缩小
             \think\Image::open($qrcode)->thumb(192,192,\think\Image::THUMB_CENTER)->save($qrcode);
         }