diff --git a/.github/label-commenter-config.yml b/.github/label-commenter-config.yml
index 345ad642..1a4304ae 100644
--- a/.github/label-commenter-config.yml
+++ b/.github/label-commenter-config.yml
@@ -36,3 +36,9 @@ labels:
     labeled:
       issue:
         body: This issue is easy for contributing. Everyone can work on this.
+  - name: proposal
+    labeled:
+      issue:
+        body: |
+          Thank you @{{ sender.login }} for suggesting this.
+          The maintainer will reply.
diff --git a/.prettierrc.json b/.prettierrc.json
index 97b6e6db..05b31a87 100644
--- a/.prettierrc.json
+++ b/.prettierrc.json
@@ -1,11 +1,11 @@
 {
-    "printWidth": 80,
-    "tabWidth": 2,
-    "useTabs": false,
-    "semi": true,
-    "singleQuote": true,
-    "trailingComma": "none",
-    "bracketSpacing": false,
-    "arrowParens": "avoid",
-    "parser": "typescript"
-  }
+  "printWidth": 100,
+  "tabWidth": 2,
+  "useTabs": false,
+  "semi": true,
+  "singleQuote": true,
+  "trailingComma": "none",
+  "bracketSpacing": false,
+  "arrowParens": "avoid",
+  "parser": "typescript"
+}
diff --git a/package-lock.json b/package-lock.json
index 8a9bae6a..11a15bf0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1057,6 +1057,12 @@
       "integrity": "sha1-aaI6OtKcrwCX8G7aWbNh7i8GOfY=",
       "dev": true
     },
+    "@types/mustache": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/@types/mustache/-/mustache-4.0.1.tgz",
+      "integrity": "sha512-wH6Tu9mbiOt0n5EvdoWy0VGQaJMHfLIxY/6wS0xLC7CV1taM6gESEzcYy0ZlWvxxiiljYvfDIvz4hHbUUDRlhw==",
+      "dev": true
+    },
     "@types/node": {
       "version": "12.12.47",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.47.tgz",
@@ -7323,6 +7329,11 @@
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
       "dev": true
     },
+    "mustache": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/mustache/-/mustache-4.0.1.tgz",
+      "integrity": "sha512-yL5VE97+OXn4+Er3THSmTdCFCtx5hHWzrolvH+JObZnUYwuaG7XV+Ch4fR2cIrcYI0tFHxS7iyFYl14bW8y2sA=="
+    },
     "nanomatch": {
       "version": "1.2.13",
       "resolved": "https://registry.npmjs.org/nanomatch/-/nanomatch-1.2.13.tgz",
diff --git a/package.json b/package.json
index 8162b2e3..9e209927 100644
--- a/package.json
+++ b/package.json
@@ -51,11 +51,13 @@
   "dependencies": {
     "@actions/core": "^1.2.4",
     "@actions/github": "^3.0.0",
-    "js-yaml": "^3.14.0"
+    "js-yaml": "^3.14.0",
+    "mustache": "^4.0.1"
   },
   "devDependencies": {
     "@types/jest": "^26.0.0",
     "@types/js-yaml": "^3.12.4",
+    "@types/mustache": "^4.0.1",
     "@types/node": "~12",
     "@typescript-eslint/eslint-plugin": "^3.3.0",
     "@typescript-eslint/parser": "^3.3.0",
diff --git a/src/main.ts b/src/main.ts
index c24d633c..12b83723 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -5,6 +5,7 @@ import {Inputs} from './interfaces';
 import {getInputs} from './get-inputs';
 import fs from 'fs';
 import yaml from 'js-yaml';
+import Mustache from 'mustache';
 
 async function closeIssue(
   githubClient: InstanceType<typeof GitHub>,
@@ -91,52 +92,50 @@ export async function run(): Promise<void> {
       config.labels[labelIndex][`${labelEvent}`].issue === void 0 &&
       config.labels[labelIndex][`${labelEvent}`].pr === void 0
     ) {
-      throw new Error(
-        `not found any definition labels.${labelName}.${labelEvent}`
-      );
+      throw new Error(`not found any definition labels.${labelName}.${labelEvent}`);
     }
 
     let eventType = '';
     if (eventName === 'issues') {
       eventType = 'issue';
       if (config.labels[labelIndex][`${labelEvent}`].issue === void 0) {
-        core.info(
-          `[INFO] no configuration labels.${labelName}.${labelEvent}.${eventType}`
-        );
+        core.info(`[INFO] no configuration labels.${labelName}.${labelEvent}.${eventType}`);
         return;
       }
     } else if (eventName === 'pull_request') {
       eventType = 'pr';
       if (config.labels[labelIndex][`${labelEvent}`].pr === void 0) {
-        core.info(
-          `[INFO] no configuration labels.${labelName}.${labelEvent}.${eventType}`
-        );
+        core.info(`[INFO] no configuration labels.${labelName}.${labelEvent}.${eventType}`);
         return;
       }
     }
 
-    const commentBody =
-      config.labels[labelIndex][`${labelEvent}`][`${eventType}`].body;
-    const finalAction =
-      config.labels[labelIndex][`${labelEvent}`][`${eventType}`].action;
+    const commentBody = config.labels[labelIndex][`${labelEvent}`][`${eventType}`].body;
+    const finalAction = config.labels[labelIndex][`${labelEvent}`][`${eventType}`].action;
     core.info(`\
 [INFO] commentBody: ${commentBody}
 [INFO] finalAction: ${finalAction}\
   `);
 
     if (commentBody === '' || commentBody === void 0) {
-      core.info(
-        `[INFO] no configuration labels.${labelName}.${labelEvent}.${eventType}.body`
-      );
+      core.info(`[INFO] no configuration labels.${labelName}.${labelEvent}.${eventType}.body`);
     }
 
+    // Render template
+    const commentBodyView = {
+      sender: {
+        login: (context.payload as any).sender.login // eslint-disable-line @typescript-eslint/no-explicit-any
+      }
+    };
+    const commentBodyRendered = Mustache.render(commentBody, commentBodyView);
+
     const githubToken = inps.GithubToken;
     const githubClient = getOctokit(githubToken);
     await githubClient.issues.createComment({
       issue_number: context.issue.number,
       owner: context.repo.owner,
       repo: context.repo.repo,
-      body: commentBody
+      body: commentBodyRendered
     });
 
     if (finalAction === 'close') {
@@ -144,9 +143,7 @@ export async function run(): Promise<void> {
     } else if (finalAction === 'open') {
       await openIssue(githubClient, issueNumber);
     } else if (finalAction === '' || finalAction === void 0) {
-      core.info(
-        `[INFO] no configuration labels.${labelName}.${labelEvent}.${eventType}.action`
-      );
+      core.info(`[INFO] no configuration labels.${labelName}.${labelEvent}.${eventType}.action`);
       return;
     } else {
       throw new Error(