vich config

config/packages/vich_uploader.yaml

@@ -15,4 +15,7 @@ vich_uploader:
         uri_prefix: /document
         upload_destination: '%kernel.project_dir%/public/document'
         # Will rename uploaded files using a uniqueid as a prefix.
-        namer: Vich\UploaderBundle\Naming\SmartUniqueNamer
+        namer: Vich\UploaderBundle\Naming\SmartUniqueNamer
+        inject_on_load: false
+        delete_on_update: true
+        delete_on_remove: true