diff --git a/packages/common/prisma/schema.prisma b/packages/common/prisma/schema.prisma
index 75e8be6..db764d2 100755
--- a/packages/common/prisma/schema.prisma
+++ b/packages/common/prisma/schema.prisma
@@ -93,7 +93,7 @@ model Staff {
     posts          Post[]
 
 
-    learningPost  Post[]            @relation("post_student")
+    learningPosts  Post[]            @relation("post_student")
     sentMsgs       Message[]        @relation("message_sender")
     receivedMsgs   Message[]        @relation("message_receiver")
     registerToken  String?
diff --git a/packages/common/src/models/post.ts b/packages/common/src/models/post.ts
index a10fcf5..63a38b0 100755
--- a/packages/common/src/models/post.ts
+++ b/packages/common/src/models/post.ts
@@ -83,4 +83,5 @@ export type CourseDto = Course & {
 	terms: TermDto[];
 	lectureCount?: number;
 	depts: Department[];
+	studentIds: string[];
 };