Install the drutopia blog module

config/sync/core.entity_view_display.node.article.default.yml

@@ -13,8 +13,10 @@ dependencies:
     - field.field.node.article.field_summary
     - field.field.node.article.field_tags
     - field.field.node.article.field_topics
+    - field.field.node.article.field_upload
     - node.type.article
   module:
+    - file
     - user
 _core:
   default_config_hash: juBz2WVszfDnF48KejVKBPGWz1tXSUN9UM_cBDRLF3g
@@ -22,7 +24,15 @@ id: node.article.default
 targetEntityType: node
 bundle: article
 mode: default
-content: {  }
+content:
+  field_upload:
+    weight: 1
+    label: above
+    settings:
+      use_description_as_link_text: true
+    third_party_settings: {  }
+    type: file_default
+    region: content
 hidden:
   body: true
   comment: true