修改编辑图片路径

@@ -132,13 +132,20 @@ trait Backend
             if ($params) {
             if ($params) {
                 $host = 'http://feipin.w.brotop.cn';
                 $host = 'http://feipin.w.brotop.cn';
                 if(isset($params['image']) && !empty($params['image'])){
                 if(isset($params['image']) && !empty($params['image'])){
-                    $params['image'] = $host.$params['image'];
+                    if(strpos($params['image'],$host) !== false){
+                    }else{
+                        $params['image'] = $host.$params['image'];
+                    }
                 }
                 }
                 if(isset($params['images']) && !empty($params['images'])){
                 if(isset($params['images']) && !empty($params['images'])){
                     $images = explode(',',$params['images']);
                     $images = explode(',',$params['images']);
                     $img = '';
                     $img = '';
                     foreach($images as $value){
                     foreach($images as $value){
-                        $img .=  $host.$value.',';
+                        if(strpos($images,$host) !== false){
+                            $img .= $host.$value.',';
+                        }else{
+                            $img .= $value.',';
+                        }
                     }
                     }
                     $params['images'] = trim($img,',');
                     $params['images'] = trim($img,',');
                 }
                 }