diff --git a/src/main/kotlin/top/jie65535/jcf/MessageHandler.kt b/src/main/kotlin/top/jie65535/jcf/MessageHandler.kt
new file mode 100644
index 0000000..02cbfee
--- /dev/null
+++ b/src/main/kotlin/top/jie65535/jcf/MessageHandler.kt
@@ -0,0 +1,44 @@
+package top.jie65535.jcf
+
+import net.mamoe.mirai.message.data.Message
+import top.jie65535.jcf.model.file.File
+import top.jie65535.jcf.model.mod.Mod
+import top.jie65535.jcf.util.PagedList
+
+object MessageHandler {
+
+    /**
+     * 处理mod搜索结果
+     */
+    suspend fun handleModsSearchResult(pagedList: PagedList<Mod>): Message {
+        val list = pagedList.current() // mod list
+        val hasNext = pagedList.hasNext // 是否有下一页
+        val hasPrev = pagedList.hasPrev // 是否有上一页
+        TODO("将搜索列表转为QQ消息")
+    }
+
+    /**
+     * 处理展示单个mod
+     */
+    fun handleShowMod(mod: Mod): Message {
+        TODO("将mod转为QQ消息")
+    }
+
+    /**
+     * 处理模组文件列表
+     */
+    suspend fun handleModFileList(pagedList: PagedList<File>): Message {
+        val list = pagedList.current() // mod list
+        val hasNext = pagedList.hasNext // 是否有下一页
+        val hasPrev = pagedList.hasPrev // 是否有上一页
+        TODO("将文件列表转为QQ消息")
+    }
+
+    /**
+     * 处理模组文件更改日志
+     * @param changelog 更改日志（HTML）
+     */
+    fun handleModFileChangelog(changelog: String): Message {
+        TODO("将文件更改日志渲染为QQ消息")
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/top/jie65535/jcf/util/PagedList.kt b/src/main/kotlin/top/jie65535/jcf/util/PagedList.kt
index 6fc09a5..2d76015 100644
--- a/src/main/kotlin/top/jie65535/jcf/util/PagedList.kt
+++ b/src/main/kotlin/top/jie65535/jcf/util/PagedList.kt
@@ -10,8 +10,9 @@ class PagedList<T>(
 ) {
     private val pages = mutableListOf<Array<T>>()
     private var pageIndex = 0
-    private var hasNext = false
-    fun getHasNext() = hasNext
+    private var _hasNext = false
+    val hasNext get() = _hasNext
+    val hasPrev get() = pageIndex > 0
 
     suspend fun prev(): Array<T> {
         if (pageIndex > 0) {
@@ -21,7 +22,7 @@ class PagedList<T>(
     }
 
     suspend fun next(): Array<T> {
-        if (hasNext) {
+        if (_hasNext) {
             pageIndex++
         }
         return current()
@@ -32,7 +33,7 @@ class PagedList<T>(
             pages[pageIndex]
         } else {
             val data = getPageData(pageIndex)
-            hasNext = data.size == pageSize
+            _hasNext = data.size == pageSize
             pages.add(data)
             data
         }