diff --git a/README.md b/README.md
index 77cd492..4f237e1 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,8 @@ Browse all historical digests in a clean, dark-themed interface — no login req
 
 Subscribe in any RSS reader (Feedly, Reeder, NewsBlur, etc.) to receive new digests automatically. The feed includes the latest 30 reports across all report types, updated daily alongside `manifest.json`.
 
+GitHub Issues are posted with upstream GitHub issue/PR links defanged to avoid creating mention/backreference noise in tracked project repositories. The committed Markdown reports and Web UI keep the normal source links.
+
 ## MCP Server
 
 **`https://big-model-radar-mcp.<your-subdomain>.workers.dev`**
diff --git a/README.zh.md b/README.zh.md
index 9ece34e..3d39996 100644
--- a/README.zh.md
+++ b/README.zh.md
@@ -16,6 +16,8 @@
 
 在任意 RSS 阅读器（Feedly、Reeder、NewsBlur 等）中订阅，每日自动推送新简报。Feed 包含最新 30 条报告（覆盖所有报告类型），与 `manifest.json` 同步更新。
 
+发布到 GitHub Issues 的正文会对上游 GitHub Issue/PR 链接做 defang 处理，避免在被追踪项目仓库中产生 mention/backreference 噪音。提交到仓库的 Markdown 报告和 Web UI 仍保留正常源链接。
+
 ## MCP Server
 
 **`https://big-model-radar-mcp.<your-subdomain>.workers.dev`**
diff --git a/src/github.ts b/src/github.ts
index 35c4bde..7176fbe 100644
--- a/src/github.ts
+++ b/src/github.ts
@@ -184,8 +184,31 @@ export async function fetchSkillsData(repo: string): Promise<{ prs: GitHubItem[]
 const GITHUB_ISSUE_BODY_LIMIT = 65536;
 const TRUNCATION_NOTICE = "\n\n---\n> ⚠️ 内容超过 GitHub Issue 上限，完整报告见提交的 Markdown 文件。";
 
+function defangGitHubNotifications(body: string): string {
+  return body
+    .replace(
+      /https?:\/\/(?:www\.)?github\.com\/[A-Za-z0-9_.-]+\/[A-Za-z0-9_.-]+\/(?:issues|pull)\/\d+(?:[/?#][^\s`<>"']*)?/g,
+      (match: string) => {
+        const trailingPunctuationMatch = match.match(/[),.!?:;]+$/);
+        const trailingPunctuation = trailingPunctuationMatch?.[0] ?? "";
+        const urlWithoutTrailingPunctuation = trailingPunctuation
+          ? match.slice(0, -trailingPunctuation.length)
+          : match;
+        return (
+          urlWithoutTrailingPunctuation.replace(
+            /^https?:\/\/(?:www\.)?github\.com/,
+            "github[.]com",
+          ) + trailingPunctuation
+        );
+      },
+    )
+    .replace(/\b([A-Za-z0-9_.-]+\/[A-Za-z0-9_.-]+)#(\d+)\b/g, "`$1#$2`")
+    .replace(/(^|[^\w`])@([A-Za-z0-9-]{1,39})\b/g, "$1@\u200B$2");
+}
+
 export async function createGitHubIssue(title: string, body: string, label: string): Promise<string> {
   const digestRepo = process.env["DIGEST_REPO"] ?? "";
+  body = defangGitHubNotifications(body);
   if (body.length > GITHUB_ISSUE_BODY_LIMIT) {
     body = body.slice(0, GITHUB_ISSUE_BODY_LIMIT - TRUNCATION_NOTICE.length) + TRUNCATION_NOTICE;
   }