diff --git a/README.md b/README.md
index f2e76c8..67c69ac 100644
--- a/README.md
+++ b/README.md
@@ -792,6 +792,7 @@ jobs:
 | body-includes | Body filtering | string | ✖ |
 | title-includes | Title filtering | string | ✖ |
 | inactive-day | Inactive days filtering | number | ✖ |
+| inactive-day | Detect inactive mode, default `issue`, optional `comment`, which is the last comment update time | string | ✖ |
 | inactive-label | The label name adding | string | ✖ |
 | exclude-labels | Exclude labels filtering | string | ✖ |
 
diff --git a/README.zh-CN.md b/README.zh-CN.md
index 1809c89..932820b 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -796,6 +796,7 @@ jobs:
 | body-includes | 包含内容筛选 | string | ✖ |
 | title-includes | 包含标题筛选 | string | ✖ |
 | inactive-day | 非活跃天数筛选 | number | ✖ |
+| inactive-day | 检测不活跃的模式，默认 `issue`，可选 `comment`，即为最后一个评论更新时间 | string | ✖ |
 | inactive-label | 新增标签名称 | string | ✖ |
 | exclude-labels | 排除标签筛选 | string | ✖ |
 
diff --git a/action.yml b/action.yml
index 60bd27a..efc3bce 100644
--- a/action.yml
+++ b/action.yml
@@ -75,6 +75,8 @@ inputs:
     description: 'Query use'
   inactive-day:
     description: 'Query use'
+  inactive-mode:
+    description: 'Inactive mode'
   lock-reason:
     description: 'The reason lock issue'
   inactive-label:
diff --git a/package.json b/package.json
index 829ec67..5fcbe9e 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,7 @@
     "lint": "eslint src/*.ts src/*/*.ts",
     "lint-fix": "eslint src/*.ts src/*/*.ts --fix",
     "lint-up": "npm run format && npm run lint-fix",
+    "ci:fix": "npm run lint-up",
     "lint-all": "npm run format-check && npm run lint",
     "check-commit": "node ./scripts/check-commit.js",
     "tag": "node ./scripts/tag.js",
diff --git a/src/helper/advanced.ts b/src/helper/advanced.ts
index 591c5b9..9f53066 100644
--- a/src/helper/advanced.ts
+++ b/src/helper/advanced.ts
@@ -59,7 +59,7 @@ export async function doQueryIssues(
     const titleIncludes = core.getInput('title-includes');
 
     const excludeLabelsArr = dealStringToArr(excludeLabels);
-    issuesList.forEach(issue => {
+    issuesList.forEach(async issue => {
       const bodyCheck = bodyIncludes ? issue.body.includes(bodyIncludes) : true;
       const titleCheck = titleIncludes ? issue.title.includes(titleIncludes) : true;
       /**
@@ -84,8 +84,17 @@ export async function doQueryIssues(
           dayjs.extend(isSameOrBefore);
 
           const lastTime = dayjs.utc().subtract(+inactiveDay, 'day');
-          const updateTime = dayjs.utc(issue.updated_at);
-          if (updateTime.isSameOrBefore(lastTime)) {
+
+          const inactiveMode = core.getInput('inactive-mode') || 'issue';
+          let updateTime = dayjs.utc(issue.updated_at);
+          if (inactiveMode === 'comment') {
+            ICE.setIssueNumber(issue.number);
+            const comments = await ICE.listComments();
+            if (comments.length) {
+              updateTime = dayjs.utc(comments[comments.length - 1].updated_at);
+            }
+          }
+          if (updateTime && updateTime.isSameOrBefore(lastTime)) {
             issues.push(issue);
             issueNumbers.push(issue.number);
           }