diff --git a/src/socket/fallback.ts b/src/socket/fallback.ts
index 44013a1..c5ecb66 100644
--- a/src/socket/fallback.ts
+++ b/src/socket/fallback.ts
@@ -82,7 +82,7 @@ export class ChannelHttpFallback {
         return {
           method: "GET",
           path: `/rooms/${room}/messages/around`,
-          params: pick(message, ["seq", "limit"]),
+          params: pick(message, ["seq", "limit", "thread"]),
         };
       case "missed_messages":
         return {
@@ -178,6 +178,11 @@ export class ChannelHttpFallback {
           path: `/rooms/${room}/threads`,
           data: { parent: message.parent },
         };
+      case "thread_list":
+        return {
+          method: "GET",
+          path: `/rooms/${room}/threads`,
+        };
       case "thread_resolve":
         return { method: "PATCH", path: `/threads/${threadId}/resolve` };
       case "thread_archive":