diff --git a/.gitea/workflows/release.yaml b/.gitea/workflows/release.yaml
index 12967f5..88d3607 100644
--- a/.gitea/workflows/release.yaml
+++ b/.gitea/workflows/release.yaml
@@ -34,10 +34,6 @@ jobs:
           npm ci || npm install
           npm run rebuild
 
-      - name: Generate App Icons
-        run: |
-          python3 scripts/generate-icon.py
-
       - name: Package Linux DEB
         run: |
           npm run package:deb
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 12967f5..88d3607 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -34,10 +34,6 @@ jobs:
           npm ci || npm install
           npm run rebuild
 
-      - name: Generate App Icons
-        run: |
-          python3 scripts/generate-icon.py
-
       - name: Package Linux DEB
         run: |
           npm run package:deb
diff --git a/scripts/gitea-release.mjs b/scripts/gitea-release.mjs
index 50769ff..6824a4f 100644
--- a/scripts/gitea-release.mjs
+++ b/scripts/gitea-release.mjs
@@ -5,7 +5,10 @@ async function main() {
   const serverUrl = process.env.GITHUB_SERVER_URL || process.env.GITEA_SERVER_URL || 'https://git.zzzjy.cloud';
   const token = process.env.GITHUB_TOKEN || process.env.GITEA_TOKEN;
   const repo = process.env.GITHUB_REPOSITORY || 'zzzjy/hatty';
-  const tag = process.env.GITHUB_REF_NAME || 'v1.0.0';
+  let tag = process.env.GITHUB_REF_NAME || 'v1.0.0';
+
+  // 规范化 tag 名称（移除可能的 refs/tags/ 前缀）
+  tag = tag.replace(/^refs\/tags\//, '');
 
   if (!token) {
     console.error('Error: GITHUB_TOKEN or GITEA_TOKEN is required.');
@@ -19,7 +22,7 @@ async function main() {
 
   // 1. 检查或创建 Release
   let releaseId = null;
-  const tagCheckRes = await fetch(`${apiBase}/releases/tags/${tag}`, {
+  const tagCheckRes = await fetch(`${apiBase}/releases/tags/${encodeURIComponent(tag)}`, {
     headers: {
       Authorization: `token ${token}`,
       Accept: 'application/json',
@@ -72,6 +75,30 @@ async function main() {
     process.exit(1);
   }
 
+  // 检查已存在的附件，若同名则先删除以支持重试
+  try {
+    const assetsRes = await fetch(`${apiBase}/releases/${releaseId}/assets`, {
+      headers: {
+        Authorization: `token ${token}`,
+        Accept: 'application/json',
+      },
+    });
+    if (assetsRes.ok) {
+      const existingAssets = await assetsRes.json();
+      for (const asset of existingAssets) {
+        if (files.includes(asset.name)) {
+          console.log(`Deleting existing asset ${asset.name} (id: ${asset.id}) to replace...`);
+          await fetch(`${apiBase}/releases/${releaseId}/assets/${asset.id}`, {
+            method: 'DELETE',
+            headers: { Authorization: `token ${token}` },
+          });
+        }
+      }
+    }
+  } catch (e) {
+    console.warn('Checking existing assets notice:', e.message);
+  }
+
   // 3. 上传安装包到 Release 附件
   for (const fileName of files) {
     const filePath = path.join(distDir, fileName);