diff --git a/editors/demo/src/HHMI/HHMI.js b/editors/demo/src/HHMI/HHMI.js
index 32cff8243306608a6f01f27601e5dfc1d29c1785..f4e92b1b8e35744edd1b6dd1641c9949bb359128 100644
--- a/editors/demo/src/HHMI/HHMI.js
+++ b/editors/demo/src/HHMI/HHMI.js
@@ -64,7 +64,7 @@ const Hhmi = () => {
         autoFocus
         customValues={{ showFeedBack: submited }}
         fileUpload={file => renderImage(file)}
-        // value={t}
+        value={t}
         readonly={readOnly}
         layout={HhmiLayout}
         // onChange={source => console.log(source)}
diff --git a/editors/demo/src/HHMI/config/config.js b/editors/demo/src/HHMI/config/config.js
index 136930abd1636d089445dc837144e78b3924333c..e5f77e92e204fb6234a2aa9f187d897a7364f482 100644
--- a/editors/demo/src/HHMI/config/config.js
+++ b/editors/demo/src/HHMI/config/config.js
@@ -68,14 +68,14 @@ export default {
     },
   ],
 
-  ChatService: { getContent },
+  // ChatService: { getContent },
   SchemaService: DefaultSchema,
   RulesService: [emDash, ellipsis],
 
   PmPlugins: [columnResizing(), tableEditing(), invisibles([hardBreak()])],
 
   services: [
-    new ChatService(),
+    // new ChatService(),
     new MatchingService(),
     new MatchingToolGroupService(),
     new FillTheGapQuestionService(),
diff --git a/wax-prosemirror-components/src/components/UndoRedoButton.js b/wax-prosemirror-components/src/components/UndoRedoButton.js
index 7b16b2d5a8d235d66a4c19917dc21de6bd1ab20a..5b4ca8563028bf8622bbc1e286d7929893578a16 100644
--- a/wax-prosemirror-components/src/components/UndoRedoButton.js
+++ b/wax-prosemirror-components/src/components/UndoRedoButton.js
@@ -10,7 +10,6 @@ const UndoRedoButton = ({ view = {}, item }) => {
     pmViews: { main },
     activeViewId,
     activeView,
-    options,
   } = useContext(WaxContext);
 
   const isEditable = main.props.editable(editable => {