diff --git a/apps/github-app/.env.example b/apps/github-app/.env.example
index cfc6f208..881ff64e 100644
--- a/apps/github-app/.env.example
+++ b/apps/github-app/.env.example
@@ -1,6 +1,7 @@
 # The ID of your GitHub App
 APP_ID=
 WEBHOOK_SECRET=development
+PRIVATE_KEY=
 
 # Use `trace` to get verbose logging or `info` to show less
 LOG_LEVEL=debug
@@ -9,4 +10,6 @@ LOG_LEVEL=debug
 WEBHOOK_PROXY_URL=
 
 # Tailchat
-TAILCHAT_API_URL=
+TAILCHAT_API_URL=https://paw-server-nightly.moonrailgun.com
+TAILCHAT_APP_ID=
+TAILCHAT_APP_SECRET=
diff --git a/apps/github-app/package.json b/apps/github-app/package.json
index c40b4da2..99a76873 100644
--- a/apps/github-app/package.json
+++ b/apps/github-app/package.json
@@ -19,6 +19,7 @@
   },
   "dependencies": {
     "axios": "^0.21.1",
+    "dotenv": "^16.0.3",
     "probot": "^12.2.4",
     "probot-metadata": "^2.1.0"
   },
diff --git a/apps/github-app/src/app.ts b/apps/github-app/src/app.ts
index 07497983..55e23387 100644
--- a/apps/github-app/src/app.ts
+++ b/apps/github-app/src/app.ts
@@ -2,6 +2,8 @@ import { Probot } from 'probot';
 import metadata from 'probot-metadata';
 import { TailchatClient } from './client';
 import { configPath, generateErrorBlock } from './utils';
+import * as dotenv from 'dotenv'; // see https://github.com/motdotla/dotenv#how-do-i-use-dotenv-with-import
+dotenv.config();
 
 const LABEL = 'tailchat-topic';
 const TOPIC_KEY = 'tailchatTopicId';
@@ -53,6 +55,11 @@ export function app(app: Probot) {
           }\ncontent: ${ctx.payload.issue.body ?? ''}\n\nwebsite: ${
             ctx.payload.issue.html_url
           }`,
+          meta: {
+            githubRepoOwner: ctx.payload.repository.owner,
+            githubRepoName: ctx.payload.repository.name,
+            githubIssueNumber: ctx.payload.issue.number,
+          },
         }
       );
 
diff --git a/apps/github-app/src/index.ts b/apps/github-app/src/index.ts
index 09489d7b..3cfdfff8 100644
--- a/apps/github-app/src/index.ts
+++ b/apps/github-app/src/index.ts
@@ -1,4 +1,8 @@
 import { run } from 'probot';
 import { app } from './app';
 
-run(app);
+run(app).then((server) => {
+  server.router('/').get('/', (req, res) => {
+    res.send('Hello World! Github app server is working!');
+  });
+});
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d6a55f41..31e5ac34 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -132,6 +132,7 @@ importers:
       '@types/jest': ^28.1.0
       '@types/node': ^18.0.0
       axios: ^0.21.1
+      dotenv: ^16.0.3
       jest: 27.5.1
       nock: ^13.0.5
       nodemon: ^2.0.18
@@ -143,6 +144,7 @@ importers:
       typescript: ^4.1.3
     dependencies:
       axios: 0.21.4
+      dotenv: 16.0.3
       probot: 12.2.8
       probot-metadata: 2.1.0_probot@12.2.8
     devDependencies:
@@ -14843,6 +14845,11 @@ packages:
     engines: {node: '>=12'}
     dev: false
 
+  /dotenv/16.0.3:
+    resolution: {integrity: sha512-7GO6HghkA5fYG9TYnNxi14/7K9f5occMlp3zXAuSxn7CKCxt9xbNWG7yF8hTCSUchlfWSe3uLmlPfigevRItzQ==}
+    engines: {node: '>=12'}
+    dev: false
+
   /dotenv/8.6.0:
     resolution: {integrity: sha512-IrPdXQsk2BbzvCBGBOTmmSH5SodmqZNt4ERAZDmW4CT+tL8VtvinqywuANaFu4bOMWki16nqf0e4oC0QIaDr/g==}
     engines: {node: '>=10'}
@@ -19529,7 +19536,7 @@ packages:
       pretty-format: 27.5.1
       slash: 3.0.0
       strip-json-comments: 3.1.1
-      ts-node: 10.9.1_bqee57coj3oib6dw4m24wknwqe
+      ts-node: 10.9.1_k2dsl7zculo2nmh5s33pladmoa
     transitivePeerDependencies:
       - bufferutil
       - canvas
diff --git a/server/plugins/com.msgbyte.topic/models/topic.ts b/server/plugins/com.msgbyte.topic/models/topic.ts
index 3878ca04..69455eed 100644
--- a/server/plugins/com.msgbyte.topic/models/topic.ts
+++ b/server/plugins/com.msgbyte.topic/models/topic.ts
@@ -51,6 +51,12 @@ export class GroupTopic extends TimeStamps implements db.Base {
     default: [],
   })
   comments: GroupTopicComment[];
+
+  /**
+   * 话题的其他数据
+   */
+  @prop()
+  meta?: object;
 }
 
 export type GroupTopicDocument = db.DocumentType<GroupTopic>;
diff --git a/server/plugins/com.msgbyte.topic/services/topic.service.ts b/server/plugins/com.msgbyte.topic/services/topic.service.ts
index dcec56d5..de274788 100644
--- a/server/plugins/com.msgbyte.topic/services/topic.service.ts
+++ b/server/plugins/com.msgbyte.topic/services/topic.service.ts
@@ -29,6 +29,7 @@ class GroupTopicService extends TcService {
         groupId: 'string',
         panelId: 'string',
         content: 'string',
+        meta: { type: 'object', optional: true },
       },
     });
     this.registerAction('createComment', this.createComment, {
@@ -89,9 +90,10 @@ class GroupTopicService extends TcService {
       groupId: string;
       panelId: string;
       content: string;
+      meta?: object;
     }>
   ) {
-    const { groupId, panelId, content } = ctx.params;
+    const { groupId, panelId, content, meta } = ctx.params;
     const userId = ctx.meta.userId;
     const t = ctx.meta.t;
 
@@ -112,6 +114,7 @@ class GroupTopicService extends TcService {
       groupId,
       panelId,
       content,
+      meta,
       author: userId,
       comment: [],
     });