chore: add project support section

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: JackyST0

.github/workflows/check-feeds.yml

@@ -44,15 +44,20 @@ jobs:
             const broken = status.feeds.filter(f => !f.valid);
             const issueTitle = '📊 RSS 订阅源健康状态报告';
             
-            // 查找是否已存在状态报告 Issue
+            // 查找是否已存在状态报告 Issue，并固定复用同一个
             const issues = await github.rest.issues.listForRepo({
               owner: context.repo.owner,
               repo: context.repo.repo,
               state: 'open',
-              labels: 'feed-status'
+              labels: 'feed-status',
+              per_page: 100
             });
             
-            const existingIssue = issues.data.find(i => i.title === issueTitle);
+            const statusIssues = issues.data
+              .filter(i => !i.pull_request && i.title === issueTitle)
+              .sort((a, b) => b.number - a.number);
+            const existingIssue = statusIssues[0];
+            const duplicateIssues = statusIssues.slice(1);
             
             // 生成报告内容
             let body = `## 📊 RSS 订阅源健康状态\n\n`;
@@ -85,6 +90,23 @@ jobs:
                 body: body
               });
               console.log(`Updated issue #${existingIssue.number}`);
+
+              // 关闭重复的状态报告 Issue，之后固定复用最新的一个
+              for (const issue of duplicateIssues) {
+                await github.rest.issues.createComment({
+                  owner: context.repo.owner,
+                  repo: context.repo.repo,
+                  issue_number: issue.number,
+                  body: `已改为固定复用 #${existingIssue.number} 作为 RSS 订阅源健康状态报告，此重复报告自动关闭。`
+                });
+                await github.rest.issues.update({
+                  owner: context.repo.owner,
+                  repo: context.repo.repo,
+                  issue_number: issue.number,
+                  state: 'closed'
+                });
+                console.log(`Closed duplicate issue #${issue.number}`);
+              }
             } else {
               // 创建新 Issue
               await github.rest.issues.create({

README.md

@@ -408,3 +408,12 @@ Simply copy the feed URL into your RSS reader. No assembly required.
 
 See [contributing.md](contributing.md) for guidelines on adding feeds.
 
+## Support This Project
+
+If this project saves you time finding quality RSS feeds, you can support it by buying me a coffee.
+
+<p>
+  <img src="./assets/sponsor-alipay.png" width="160" alt="Alipay">
+  <img src="./assets/sponsor-wechat.png" width="160" alt="WeChat Pay">
+</p>
+

assets/sponsor-alipay.png

@@ -492,6 +492,17 @@
 
 ---
 
+## ☕ 支持项目
+
+如果这个项目帮你节省了寻找优质 RSS 订阅源的时间，欢迎请我喝杯咖啡。
+
+<p>
+  <img src="./assets/sponsor-alipay.png" width="160" alt="支付宝收款码">
+  <img src="./assets/sponsor-wechat.png" width="160" alt="微信收款码">
+</p>
+
+---
+
 ## 📜 相关资源
 
 - [RSSHub 官方文档](https://docs.rsshub.app/)