升级项目新增分类描述采集

@@ -781,7 +781,7 @@ class ProjectUpdate extends Command
                         }
                         }
                         $new_img = $this->source_download($image, $project_id, $domain, $web_url_domain, $home_url);
                         $new_img = $this->source_download($image, $project_id, $domain, $web_url_domain, $home_url);
                         //描述
                         //描述
-                        if (isset($item['description'])) {
+                        if (isset($item['description']) && $item['description']) {
                             //匹配描述资源
                             //匹配描述资源
                             $source_list = $this->html_preg($item['description'], $project_id, $domain, $web_url_domain, $home_url);
                             $source_list = $this->html_preg($item['description'], $project_id, $domain, $web_url_domain, $home_url);
                             if ($source_list) {
                             if ($source_list) {