diff --git a/src/zh/happymh/build.gradle b/src/zh/happymh/build.gradle
index c33b7e535..8b96fab62 100644
--- a/src/zh/happymh/build.gradle
+++ b/src/zh/happymh/build.gradle
@@ -1,7 +1,7 @@
 ext {
     extName = 'Happymh'
     extClass = '.Happymh'
-    extVersionCode = 17
+    extVersionCode = 18
 }
 
 apply from: "$rootDir/common.gradle"
diff --git a/src/zh/happymh/src/eu/kanade/tachiyomi/extension/zh/happymh/Filters.kt b/src/zh/happymh/src/eu/kanade/tachiyomi/extension/zh/happymh/Filters.kt
new file mode 100644
index 000000000..854f6a2be
--- /dev/null
+++ b/src/zh/happymh/src/eu/kanade/tachiyomi/extension/zh/happymh/Filters.kt
@@ -0,0 +1,196 @@
+package eu.kanade.tachiyomi.extension.zh.happymh
+
+import eu.kanade.tachiyomi.source.model.Filter
+
+open class UriPartFilter(
+    name: String,
+    val key: String,
+    private val pairs: List<Pair<String, String>>,
+) :
+    Filter.Select<String>(name, pairs.map { it.first }.toTypedArray()) {
+    val selected: String
+        get() = pairs[state].second
+}
+
+class GenreFilter : UriPartFilter(
+    "分类",
+    "genre",
+    listOf(
+        "全部" to "",
+        "热血" to "rexue",
+        "格斗" to "gedou",
+        "武侠" to "wuxia",
+        "魔幻" to "mohuan",
+        "魔法" to "mofa",
+        "冒险" to "maoxian",
+        "爱情" to "aiqing",
+        "搞笑" to "gaoxiao",
+        "校园" to "xiaoyuan",
+        "科幻" to "kehuan",
+        "后宫" to "hougong",
+        "励志" to "lizhi",
+        "职场" to "zhichang",
+        "美食" to "meishi",
+        "社会" to "shehui",
+        "黑道" to "heidao",
+        "战争" to "zhanzheng",
+        "历史" to "lishi",
+        "悬疑" to "xuanyi",
+        "竞技" to "jingji",
+        "体育" to "tiyu",
+        "恐怖" to "kongbu",
+        "推理" to "tuili",
+        "生活" to "shenghuo",
+        "伪娘" to "weiniang",
+        "治愈" to "zhiyu",
+        "神鬼" to "shengui",
+        "四格" to "sige",
+        "百合" to "baihe",
+        "耽美" to "danmei",
+        "舞蹈" to "wudao",
+        "侦探" to "zhentan",
+        "宅男" to "zhainan",
+        "音乐" to "yinyue",
+        "萌系" to "mengxi",
+        "古风" to "gufeng",
+        "恋爱" to "lianai",
+        "都市" to "dushi",
+        "性转" to "xingzhuan",
+        "穿越" to "chuanyue",
+        "游戏" to "youxi",
+        "其他" to "qita",
+        "爱妻" to "aiqi",
+        "日常" to "richang",
+        "腹黑" to "fuhei",
+        "古装" to "guzhuang",
+        "仙侠" to "xianxia",
+        "生化" to "shenghua",
+        "修仙" to "xiuxian",
+        "情感" to "qinggan",
+        "改编" to "gaibian",
+        "纯爱" to "chunai",
+        "唯美" to "weimei",
+        "蔷薇" to "qiangwei",
+        "明星" to "mingxing",
+        "猎奇" to "lieqi",
+        "青春" to "qingchun",
+        "幻想" to "huanxiang",
+        "惊奇" to "jingqi",
+        "彩虹" to "caihong",
+        "奇闻" to "qiwen",
+        "权谋" to "quanmou",
+        "宅斗" to "zhaidou",
+        "限制级" to "xianzhiji",
+        "装逼" to "zhuangbi",
+        "浪漫" to "langman",
+        "偶像" to "ouxiang",
+        "大女主" to "danvzhu",
+        "复仇" to "fuchou",
+        "虐心" to "nuexin",
+        "恶搞" to "egao",
+        "灵异" to "lingyi",
+        "惊险" to "jingxian",
+        "宠爱" to "chongai",
+        "逆袭" to "nixi",
+        "妖怪" to "yaoguai",
+        "暧昧" to "aimei",
+        "同人" to "tongren",
+        "架空" to "jiakong",
+        "真人" to "zhenren",
+        "动作" to "dongzuo",
+        "橘味" to "juwei",
+        "宫斗" to "gongdou",
+        "脑洞" to "naodong",
+        "漫改" to "mangai",
+        "战斗" to "zhandou",
+        "丧尸" to "sangshi",
+        "美少女" to "meishaonv",
+        "怪物" to "guaiwu",
+        "系统" to "xitong",
+        "智斗" to "zhidou",
+        "机甲" to "jijia",
+        "高甜" to "gaotian",
+        "僵尸" to "jiangshi",
+        "致郁" to "zhiyu",
+        "电竞" to "dianjing",
+        "神魔" to "shenmo",
+        "异能" to "yineng",
+        "末日" to "mori",
+        "乙女" to "yinv",
+        "豪快" to "haokuai",
+        "奇幻" to "qihuan",
+        "绅士" to "shenshi",
+        "正能量" to "zhengnengliang",
+        "宫廷" to "gongting",
+        "亲情" to "qinqing",
+        "养成" to "yangcheng",
+        "剧情" to "juqing",
+        "轻小说" to "qingxiaoshuo",
+        "暗黑" to "anhei",
+        "长条" to "changtiao",
+        "玄幻" to "xuanhuan",
+        "霸总" to "bazong",
+        "欧皇" to "ouhuang",
+        "生存" to "shengcun",
+        "异世界" to "yishijie",
+        "其它" to "qita",
+        "C99" to "C99",
+        "节操" to "jiecao",
+        "AA" to "AA",
+        "影视化" to "yingshihua",
+        "欧风" to "oufeng",
+        "女神" to "nvshen",
+        "爽感" to "shuanggan",
+        "转生" to "zhuansheng",
+        "异形" to "yixing",
+        "反套路" to "fantaolu",
+        "双男主" to "shuangnanzhu",
+        "无敌流" to "wudiliu",
+        "性转换" to "xingzhuanhuan",
+        "重生" to "zhongsheng",
+        "血腥" to "xuexing",
+        "奇遇" to "qiyu",
+        "泛爱" to "fanai",
+        "软萌" to "ruanmeng",
+        "小天使" to "xiaotianshi",
+        "邪恶" to "xiee",
+        "後宫" to "hougong",
+    ),
+)
+
+class AreaFilter : UriPartFilter(
+    "地区",
+    "area",
+    listOf(
+        "全部" to "",
+        "内地" to "china",
+        "日本" to "japan",
+        "港台" to "hongkong",
+        "欧美" to "europe",
+        "韩国" to "korea",
+        "其他" to "other",
+    ),
+)
+
+class AudienceFilter : UriPartFilter(
+    "受众",
+    "audience",
+    listOf(
+        "全部" to "",
+        "少年" to "shaonian",
+        "少女" to "shaonv",
+        "青年" to "qingnian",
+        "BL" to "BL",
+        "GL" to "GL",
+    ),
+)
+
+class StatusFilter : UriPartFilter(
+    "状态",
+    "series_status",
+    listOf(
+        "全部" to "-1",
+        "连载中" to "0",
+        "完结" to "1",
+    ),
+)
diff --git a/src/zh/happymh/src/eu/kanade/tachiyomi/extension/zh/happymh/Happymh.kt b/src/zh/happymh/src/eu/kanade/tachiyomi/extension/zh/happymh/Happymh.kt
index d1c2041e5..4dfceb7d7 100644
--- a/src/zh/happymh/src/eu/kanade/tachiyomi/extension/zh/happymh/Happymh.kt
+++ b/src/zh/happymh/src/eu/kanade/tachiyomi/extension/zh/happymh/Happymh.kt
@@ -88,8 +88,8 @@ class Happymh : HttpSource(), ConfigurableSource {
 
     // Requires login, otherwise result is the same as latest updates
     override fun popularMangaRequest(page: Int): Request {
-        val header = headersBuilder().add("referer", "$baseUrl/latest").build()
-        return GET("$baseUrl/apis/c/index?pn=$page&series_status=-1&order=views", header)
+        val headers = headersBuilder().add("Referer", "$baseUrl/latest").build()
+        return GET("$baseUrl/apis/c/index?pn=$page&series_status=-1&order=views", headers)
     }
 
     override fun popularMangaParse(response: Response): MangasPage {
@@ -110,8 +110,8 @@ class Happymh : HttpSource(), ConfigurableSource {
     // Latest
 
     override fun latestUpdatesRequest(page: Int): Request {
-        val header = headersBuilder().add("referer", "$baseUrl/latest").build()
-        return GET("$baseUrl/apis/c/index?pn=$page&series_status=-1&order=last_date", header)
+        val headers = headersBuilder().add("Referer", "$baseUrl/latest").build()
+        return GET("$baseUrl/apis/c/index?pn=$page&series_status=-1&order=last_date", headers)
     }
 
     override fun latestUpdatesParse(response: Response): MangasPage = popularMangaParse(response)
@@ -119,22 +119,46 @@ class Happymh : HttpSource(), ConfigurableSource {
     // Search
 
     override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request {
-        val body = FormBody.Builder()
-            .addEncoded("searchkey", query)
-            .add("v", "v2.13")
-            .build()
+        if (query.isNotEmpty()) {
+            val body = FormBody.Builder()
+                .addEncoded("searchkey", query)
+                .add("v", "v2.13")
+                .build()
 
-        val header = headersBuilder()
-            .add("referer", "$baseUrl/sssearch")
-            .build()
+            val headers = headersBuilder()
+                .add("Referer", "$baseUrl/sssearch")
+                .build()
 
-        return POST("$baseUrl/v2.0/apis/manga/ssearch", header, body)
+            return POST("$baseUrl/v2.0/apis/manga/ssearch", headers, body)
+        }
+        val url = "$baseUrl/apis/c/index".toHttpUrl().newBuilder()
+        filters.filterIsInstance<UriPartFilter>().forEach {
+            if (it.selected.isNotEmpty()) {
+                url.addQueryParameter(it.key, it.selected)
+            }
+        }
+        val headers = headersBuilder().add("Referer", "$baseUrl/latest/${url.build().query}").build()
+        url.addQueryParameter("pn", page.toString())
+        return GET(url.build(), headers)
     }
 
     override fun searchMangaParse(response: Response): MangasPage {
+        if (response.request.url.encodedPath.contains("/apis/c/index")) {
+            // for filter response
+            return popularMangaParse(response)
+        }
         return MangasPage(popularMangaParse(response).mangas, false)
     }
 
+    override fun getFilterList(): FilterList {
+        return FilterList(
+            GenreFilter(),
+            AreaFilter(),
+            AudienceFilter(),
+            StatusFilter(),
+        )
+    }
+
     // Details
 
     override fun mangaDetailsParse(response: Response): SManga = SManga.create().apply {
@@ -173,7 +197,8 @@ class Happymh : HttpSource(), ConfigurableSource {
             if (it.isPageEnd()) {
                 Observable.just(page to it)
             } else {
-                Observable.just(page to it).concatWith(fetchChapterByPageAsObservable(manga, page + 1))
+                Observable.just(page to it)
+                    .concatWith(fetchChapterByPageAsObservable(manga, page + 1))
             }
         }
     }
@@ -190,18 +215,11 @@ class Happymh : HttpSource(), ConfigurableSource {
                         name = data.chapterName
                         // create a dummy chapter url : /comic_id/dummy_mark/chapter_id#expect_page
                         url = "/$comicId/$DUMMY_CHAPTER_MARK/${data.id}#${it.first}"
-                        chapter_number = data.order.toFloat()
                     }
                 }
             }
             .toList()
-            .map { it.flatten().sortedByDescending { chapter -> chapter.chapter_number } }
-            .map {
-                // remove order mark
-                it.onEach { chapter ->
-                    chapter.chapter_number = -1f
-                }
-            }
+            .map { it.flatten().reversed() }
     }
 
     override fun chapterListParse(response: Response) = throw UnsupportedOperationException()
@@ -240,11 +258,11 @@ class Happymh : HttpSource(), ConfigurableSource {
         val code = fetchChapterCode(chapter) ?: throw Exception("找不到章节地址，请尝试刷新章节列表")
         val url = "$baseUrl/v2.0/apis/manga/reading?code=$code&v=v3.1818134"
         // Some chapters return 403 without this header
-        val header = headersBuilder()
+        val headers = headersBuilder()
             .add("X-Requested-With", "XMLHttpRequest")
             .set("Referer", baseUrl + chapter.url)
             .build()
-        return GET(url, header)
+        return GET(url, headers)
     }
 
     override fun pageListParse(response: Response): List<Page> {
@@ -259,10 +277,10 @@ class Happymh : HttpSource(), ConfigurableSource {
     override fun imageUrlParse(response: Response): String = throw UnsupportedOperationException()
 
     override fun imageRequest(page: Page): Request {
-        val header = headersBuilder()
+        val headers = headersBuilder()
             .set("Referer", "$baseUrl/")
             .build()
-        return GET(page.imageUrl!!, header)
+        return GET(page.imageUrl!!, headers)
     }
 
     override fun setupPreferenceScreen(screen: PreferenceScreen) {