diff --git a/src/types/collections.ts b/src/types/collections.ts
index c525f1d..4526cae 100644
--- a/src/types/collections.ts
+++ b/src/types/collections.ts
@@ -280,6 +280,7 @@ export interface Post {
     pk: string // postId
     t: PostItemType.Post
     userId: string
+    appId: string
     root: string
     parents: string[] // Post IDs
     text?: string