diff --git a/app/src/main/java/com/huanchengfly/tieba/post/api/models/MessageListBean.kt b/app/src/main/java/com/huanchengfly/tieba/post/api/models/MessageListBean.kt
index 0173cf97..7989ea01 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/api/models/MessageListBean.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/api/models/MessageListBean.kt
@@ -21,60 +21,62 @@ class MessageListBean : BaseBean() {
     val page: PageInfoBean? = null
     val message: MessageBean? = null
 
-    fun getErrorCode() = Integer.valueOf(errorCode!!)
+    fun getErrorCode(): Int = Integer.valueOf(errorCode!!)
 
-    open class UserInfoBean {
-        val id: String? = null
-        val name: String? = null
+    data class UserInfoBean(
+        val id: String? = null,
+        val name: String? = null,
 
         @SerializedName("name_show")
-        val nameShow: String? = null
+        val nameShow: String? = null,
 
         @JsonAdapter(PortraitAdapter::class)
-        val portrait: String? = null
+        val portrait: String? = null,
+    )
 
-    }
-
-    class ReplyerInfoBean : UserInfoBean() {
+    data class ReplyerInfoBean(
+        val id: String? = null,
+        val name: String? = null,
+        @SerializedName("name_show")
+        val nameShow: String? = null,
+        @JsonAdapter(PortraitAdapter::class)
+        val portrait: String? = null,
         @SerializedName("is_friend")
-        val isFriend: String? = null
-
+        val isFriend: String? = null,
         @SerializedName("is_fans")
-        val isFans: String? = null
+        val isFans: String? = null,
+    )
 
-    }
-
-    class MessageInfoBean {
+    data class MessageInfoBean(
         @SerializedName("is_floor")
-        val isFloor: String? = null
-        val title: String? = null
-        val content: String? = null
+        val isFloor: String? = null,
+        val title: String? = null,
+        val content: String? = null,
 
         @SerializedName("quote_content")
-        val quoteContent: String? = null
-        val replyer: ReplyerInfoBean? = null
+        val quoteContent: String? = null,
+        val replyer: ReplyerInfoBean? = null,
 
         @SerializedName("quote_user")
-        val quoteUser: UserInfoBean? = null
+        val quoteUser: UserInfoBean? = null,
 
         @SerializedName("thread_id")
-        val threadId: String? = null
+        val threadId: String? = null,
 
         @SerializedName("post_id")
-        val postId: String? = null
-        val time: String? = null
+        val postId: String? = null,
+        val time: String? = null,
 
         @SerializedName("fname")
-        val forumName: String? = null
+        val forumName: String? = null,
 
         @SerializedName("quote_pid")
-        val quotePid: String? = null
+        val quotePid: String? = null,
 
         @SerializedName("thread_type")
-        val threadType: String? = null
-        val unread: String? = null
-
-    }
+        val threadType: String? = null,
+        val unread: String? = null,
+    )
 
     class MessageBean {
         @SerializedName("replyme")
diff --git a/app/src/main/java/com/huanchengfly/tieba/post/ui/page/main/notifications/list/NotificationsListViewModel.kt b/app/src/main/java/com/huanchengfly/tieba/post/ui/page/main/notifications/list/NotificationsListViewModel.kt
index b046bf88..a75585d8 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/ui/page/main/notifications/list/NotificationsListViewModel.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/ui/page/main/notifications/list/NotificationsListViewModel.kt
@@ -146,12 +146,18 @@ sealed interface NotificationsListPartialChange : PartialChange<NotificationsLis
         override fun reduce(oldState: NotificationsListUiState): NotificationsListUiState =
             when (this) {
                 Start -> oldState.copy(isLoadingMore = true)
-                is Success -> oldState.copy(
-                    isLoadingMore = false,
-                    currentPage = currentPage,
-                    data = (oldState.data + data).toImmutableList(),
-                    hasMore = hasMore
-                )
+                is Success -> {
+                    val uniqueData = data.filter { item ->
+                        oldState.data.none { it.info == item.info }
+                    }
+                    oldState.copy(
+                        isLoadingMore = false,
+                        currentPage = currentPage,
+                        data = (oldState.data + uniqueData).toImmutableList(),
+                        hasMore = hasMore
+                    )
+                }
+
                 is Failure -> oldState.copy(isLoadingMore = false)
             }