diff --git a/packages/megalodon/src/misskey/api_client.ts b/packages/megalodon/src/misskey/api_client.ts
index 6048d62dab..97732d61a9 100644
--- a/packages/megalodon/src/misskey/api_client.ts
+++ b/packages/megalodon/src/misskey/api_client.ts
@@ -265,7 +265,7 @@ namespace MisskeyAPI {
         url: n.url ? n.url : host ? `https://${host}/notes/${n.id}` : '',
         account: user(n.user, n.user.host ? n.user.host : host ? host : null),
         in_reply_to_id: n.replyId,
-        in_reply_to_account_id: null,
+        in_reply_to_account_id: n.reply?.userId ?? null,
         reblog: n.renote ? note(n.renote, n.user.host ? n.user.host : host ? host : null) : null,
         content: n.text
           ? n.text
@@ -282,9 +282,9 @@ namespace MisskeyAPI {
         emojis: mapEmojis(n.emojis).concat(mapReactionEmojis(n.reactionEmojis)),
         replies_count: n.repliesCount,
         reblogs_count: n.renoteCount,
-        favourites_count: 0,
+        favourites_count: getTotalReactions(n.reactions),
         reblogged: false,
-        favourited: false,
+        favourited: !!n.myReaction,
         muted: false,
         sensitive: Array.isArray(n.files) ? n.files.some(f => f.isSensitive) : false,
         spoiler_text: n.cw ? n.cw : '',
@@ -313,6 +313,12 @@ namespace MisskeyAPI {
       }
     }
 
+    export const getTotalReactions = (r: { [key: string]: number }): number => {
+			return Object.values(r).length > 0 ? Object.values(r).reduce(
+					(previousValue, currentValue) => previousValue + currentValue,
+				) : 0;
+		};
+
     export const mapReactions = (r: { [key: string]: number }, myReaction?: string): Array<MegalodonEntity.Reaction> => {
       return Object.keys(r).map(key => {
         if (myReaction && key === myReaction) {
diff --git a/packages/megalodon/tsconfig.json b/packages/megalodon/tsconfig.json
index 7f6943225e..b2b4a984b1 100644
--- a/packages/megalodon/tsconfig.json
+++ b/packages/megalodon/tsconfig.json
@@ -3,7 +3,7 @@
     /* Basic Options */
     "target": "es5",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */
     "module": "commonjs",                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
-    "lib": ["es6", "dom"],                           /* Specify library files to be included in the compilation. */
+    "lib": ["es2021", "dom"],                           /* Specify library files to be included in the compilation. */
     // "allowJs": true,                       /* Allow javascript files to be compiled. */
     // "checkJs": true,                       /* Report errors in .js files. */
     // "jsx": "preserve",                     /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */