fix

app/Repositories/Circle/CircleRepository.php

@@ -242,6 +242,8 @@ class CircleRepository
                 $tempPic->save();
             }
             DB::commit();
+            $key = 'circle_picture_' . $circle->patch_num;
+            Redis::del($key);
             return Response::create();
 
         } catch (QueryException $exception) {