diff --git a/README.md b/README.md
index 448db5e..337cb33 100644
--- a/README.md
+++ b/README.md
@@ -122,6 +122,10 @@ DRIVER=~fastapi+~httpx+~websockets
     - 类型：`timedelta`
     - 默认：`timedelta(days=30)`
     - 说明：表情添加时间在该时间间隔以内时，添加 `new` 图标
+  - `label_hot_frequency`
+    - 类型：`int`
+    - 默认：`24`
+    - 说明：单位：次/天；表情调用频率超过该频率时，添加 `hot` 图标
 - `memes_list_image_config` 在 `.env` 文件中的设置示例如下：
 
 ```
@@ -131,7 +135,8 @@ memes_list_image_config='
   "sort_reverse": false,
   "text_template": "{keywords}",
   "add_category_icon": true,
-  "label_new_timedelta": "P30D"
+  "label_new_timedelta": "P30D",
+  "label_hot_frequency": 24
 }
 '
 ```
diff --git a/pyproject.toml b/pyproject.toml
index ef796ef..f26e3d7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "nonebot_plugin_memes_api"
-version = "0.4.1"
+version = "0.4.2"
 description = "Nonebot2 plugin for making memes"
 authors = ["meetwq <meetwq@gmail.com>"]
 license = "MIT"