diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 36acfafb5..4950b7a4b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -4,9 +4,6 @@ on:
   push:
     tags:
       - "v*"
-  schedule:
-    # Daily at 00:00 UTC
-    - cron: "0 0 * * *"
   workflow_dispatch:
     inputs:
       ref:
@@ -21,133 +18,15 @@ permissions:
   contents: write
 
 jobs:
-  resolve-release-context:
-    name: Resolve Release Context
-    runs-on: ubuntu-24.04
-    outputs:
-      checkout_ref: ${{ steps.checkout-ref.outputs.ref }}
-      tag: ${{ steps.tag.outputs.tag }}
-      nightly_tag: ${{ steps.nightly-tag.outputs.nightly_tag }}
-      repo_slug: ${{ steps.repo-slug.outputs.repo_slug }}
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v6
-        with:
-          fetch-depth: 0
-
-      - name: Resolve nightly tag
-        id: nightly-tag
-        shell: bash
-        run: |
-          nightly_tag="$(python3 -m scripts.release.print_release_constant NIGHTLY_TAG)"
-          if [ -z "$nightly_tag" ]; then
-            echo "Failed to resolve NIGHTLY_TAG from astrbot/core/release_constants.py." >&2
-            exit 1
-          fi
-          echo "nightly_tag=$nightly_tag" >> "$GITHUB_OUTPUT"
-
-      - name: Resolve repository slug
-        id: repo-slug
-        shell: bash
-        run: |
-          repo_slug="$(python3 -m scripts.release.print_release_constant GITHUB_REPO_SLUG)"
-          if [ -z "$repo_slug" ]; then
-            echo "Failed to resolve GITHUB_REPO_SLUG from astrbot/core/release_constants.py." >&2
-            exit 1
-          fi
-          echo "repo_slug=$repo_slug" >> "$GITHUB_OUTPUT"
-
-      - name: Resolve checkout ref
-        id: checkout-ref
-        shell: bash
-        run: |
-          event_name="${{ github.event_name }}"
-          nightly_tag="${{ steps.nightly-tag.outputs.nightly_tag }}"
-          input_tag=""
-          input_ref=""
-          if [ "$event_name" = "workflow_dispatch" ]; then
-            input_tag="$(jq -r '.inputs.tag // ""' "$GITHUB_EVENT_PATH")"
-            input_ref="$(jq -r '.inputs.ref // ""' "$GITHUB_EVENT_PATH")"
-          fi
-          default_branch="${{ github.event.repository.default_branch }}"
-          if [ -z "$default_branch" ]; then
-            default_branch="master"
-          fi
-
-          if [ "$event_name" = "schedule" ]; then
-            ref="refs/heads/${default_branch}"
-          elif [ "$event_name" = "workflow_dispatch" ] && [ -n "$input_ref" ]; then
-            ref="$input_ref"
-          elif [ "$event_name" = "workflow_dispatch" ] && [ "$input_tag" = "$nightly_tag" ]; then
-            ref="refs/heads/${default_branch}"
-          elif [ -n "$input_ref" ]; then
-            ref="$input_ref"
-          else
-            ref="${{ github.ref }}"
-          fi
-
-          echo "ref=$ref" >> "$GITHUB_OUTPUT"
-
-      - name: Switch repository to release ref
-        shell: bash
-        run: |
-          target_ref="${{ steps.checkout-ref.outputs.ref }}"
-          if [ -z "$target_ref" ]; then
-            echo "Resolved checkout ref is empty." >&2
-            exit 1
-          fi
-
-          if ! git checkout --force "$target_ref" >/tmp/git_checkout_ref.log 2>&1; then
-            if ! git fetch --force origin "$target_ref" >/tmp/git_fetch_ref.log 2>&1; then
-              echo "Failed to fetch checkout ref: $target_ref" >&2
-              cat /tmp/git_fetch_ref.log >&2 || true
-              exit 1
-            fi
-            git checkout --force FETCH_HEAD
-          fi
-
-      - name: Resolve tag
-        id: tag
-        shell: bash
-        run: |
-          event_name="${{ github.event_name }}"
-          nightly_tag="${{ steps.nightly-tag.outputs.nightly_tag }}"
-          dispatch_tag=""
-          if [ "$event_name" = "workflow_dispatch" ]; then
-            dispatch_tag="$(jq -r '.inputs.tag // ""' "$GITHUB_EVENT_PATH")"
-          fi
-
-          if [ "$event_name" = "schedule" ]; then
-            tag="$nightly_tag"
-          elif [ "$event_name" = "push" ]; then
-            tag="${GITHUB_REF_NAME}"
-          elif [ -n "$dispatch_tag" ]; then
-            tag="$dispatch_tag"
-          else
-            # workflow_dispatch without explicit tag should default to latest stable v-tag.
-            tag="$(git tag --list 'v*' --sort=-version:refname | grep -E '^v[0-9]+(\.[0-9]+)*$' | head -n1)"
-            if [ -z "$tag" ]; then
-              echo "Failed to resolve latest stable v-tag." >&2
-              exit 1
-            fi
-          fi
-          if [ -z "$tag" ]; then
-            echo "Failed to resolve tag." >&2
-            exit 1
-          fi
-          echo "tag=$tag" >> "$GITHUB_OUTPUT"
-
   verify-core:
     name: Verify Core Quality Gate
     runs-on: ubuntu-24.04
-    needs:
-      - resolve-release-context
     steps:
       - name: Checkout repository
         uses: actions/checkout@v6
         with:
           fetch-depth: 0
-          ref: ${{ needs.resolve-release-context.outputs.checkout_ref }}
+          ref: ${{ inputs.ref || github.ref }}
 
       - name: Set up Python
         uses: actions/setup-python@v6
@@ -165,8 +44,6 @@ jobs:
   build-dashboard:
     name: Build Dashboard
     runs-on: ubuntu-24.04
-    needs:
-      - resolve-release-context
     env:
       R2_ACCOUNT_ID: ${{ secrets.R2_ACCOUNT_ID }}
       R2_ACCESS_KEY_ID: ${{ secrets.R2_ACCESS_KEY_ID }}
@@ -176,7 +53,24 @@ jobs:
         uses: actions/checkout@v6
         with:
           fetch-depth: 0
-          ref: ${{ needs.resolve-release-context.outputs.checkout_ref }}
+          ref: ${{ inputs.ref || github.ref }}
+
+      - name: Resolve tag
+        id: tag
+        shell: bash
+        run: |
+          if [ "${{ github.event_name }}" = "push" ]; then
+            tag="${GITHUB_REF_NAME}"
+          elif [ -n "${{ inputs.tag }}" ]; then
+            tag="${{ inputs.tag }}"
+          else
+            tag="$(git describe --tags --abbrev=0)"
+          fi
+          if [ -z "$tag" ]; then
+            echo "Failed to resolve tag." >&2
+            exit 1
+          fi
+          echo "tag=$tag" >> "$GITHUB_OUTPUT"
 
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
@@ -195,23 +89,23 @@ jobs:
         run: |
           pnpm --dir dashboard install --frozen-lockfile
           pnpm --dir dashboard run build
-          echo "${{ needs.resolve-release-context.outputs.tag }}" > dashboard/dist/assets/version
+          echo "${{ steps.tag.outputs.tag }}" > dashboard/dist/assets/version
           cd dashboard
-          zip -r "AstrBot-${{ needs.resolve-release-context.outputs.tag }}-dashboard.zip" dist
+          zip -r "AstrBot-${{ steps.tag.outputs.tag }}-dashboard.zip" dist
 
       - name: Upload dashboard artifact
         uses: actions/upload-artifact@v7
         with:
-          name: Dashboard-${{ needs.resolve-release-context.outputs.tag }}
+          name: Dashboard-${{ steps.tag.outputs.tag }}
           if-no-files-found: error
-          path: dashboard/AstrBot-${{ needs.resolve-release-context.outputs.tag }}-dashboard.zip
+          path: dashboard/AstrBot-${{ steps.tag.outputs.tag }}-dashboard.zip
 
       - name: Upload dashboard package to Cloudflare R2
-        if: ${{ env.R2_ACCOUNT_ID != '' && env.R2_ACCESS_KEY_ID != '' && env.R2_SECRET_ACCESS_KEY != '' && needs.resolve-release-context.outputs.tag != needs.resolve-release-context.outputs.nightly_tag }}
+        if: ${{ env.R2_ACCOUNT_ID != '' && env.R2_ACCESS_KEY_ID != '' && env.R2_SECRET_ACCESS_KEY != '' }}
         env:
           R2_BUCKET_NAME: "astrbot"
           R2_OBJECT_NAME: "astrbot-webui-latest.zip"
-          VERSION_TAG: ${{ needs.resolve-release-context.outputs.tag }}
+          VERSION_TAG: ${{ steps.tag.outputs.tag }}
         shell: bash
         run: |
           sudo apt-get update
@@ -235,11 +129,7 @@ jobs:
   publish-release:
     name: Publish GitHub Release
     runs-on: ubuntu-24.04
-    concurrency:
-      group: ${{ needs.resolve-release-context.outputs.tag == needs.resolve-release-context.outputs.nightly_tag && 'nightly-release' || format('release-{0}', needs.resolve-release-context.outputs.tag) }}
-      cancel-in-progress: ${{ needs.resolve-release-context.outputs.tag == needs.resolve-release-context.outputs.nightly_tag }}
     needs:
-      - resolve-release-context
       - verify-core
       - build-dashboard
     steps:
@@ -247,51 +137,29 @@ jobs:
         uses: actions/checkout@v6
         with:
           fetch-depth: 0
-          ref: ${{ needs.resolve-release-context.outputs.checkout_ref }}
+          ref: ${{ inputs.ref || github.ref }}
 
-      - name: Resolve release title
-        id: release-meta
+      - name: Resolve tag
+        id: tag
         shell: bash
         run: |
-          tag="${{ needs.resolve-release-context.outputs.tag }}"
-          nightly_tag="${{ needs.resolve-release-context.outputs.nightly_tag }}"
-          if [ "$tag" = "$nightly_tag" ]; then
-            if ! short_sha="$(git rev-parse --short=8 HEAD 2>/tmp/git_rev_parse_error.log)"; then
-              echo "Failed to resolve HEAD short SHA for nightly title." >&2
-              cat /tmp/git_rev_parse_error.log >&2 || true
-              exit 1
-            fi
-            base_version="$(git tag --list 'v*' --sort=-version:refname | grep -E '^v[0-9]+(\.[0-9]+)*$' | head -n1)"
-            if [ -z "$base_version" ]; then
-              base_version="v0.0.0"
-            fi
-            title="${base_version}-${nightly_tag}-${short_sha}"
+          if [ "${{ github.event_name }}" = "push" ]; then
+            tag="${GITHUB_REF_NAME}"
+          elif [ -n "${{ inputs.tag }}" ]; then
+            tag="${{ inputs.tag }}"
           else
-            base_version="$tag"
-            title="$tag"
+            tag="$(git describe --tags --abbrev=0)"
           fi
-          echo "title=$title" >> "$GITHUB_OUTPUT"
-          echo "base_version=$base_version" >> "$GITHUB_OUTPUT"
-
-      - name: Force-update nightly tag
-        if: ${{ needs.resolve-release-context.outputs.tag == needs.resolve-release-context.outputs.nightly_tag }}
-        env:
-          GH_TOKEN: ${{ github.token }}
-        shell: bash
-        run: |
-          nightly_tag="${{ needs.resolve-release-context.outputs.nightly_tag }}"
-          if ! current_sha="$(git rev-parse HEAD 2>/tmp/git_rev_parse_error.log)"; then
-            echo "Failed to resolve HEAD SHA before updating nightly tag." >&2
-            cat /tmp/git_rev_parse_error.log >&2 || true
+          if [ -z "$tag" ]; then
+            echo "Failed to resolve tag." >&2
             exit 1
           fi
-          git tag -f "$nightly_tag" "${current_sha}"
-          git push --force origin "refs/tags/${nightly_tag}"
+          echo "tag=$tag" >> "$GITHUB_OUTPUT"
 
       - name: Download dashboard artifact
         uses: actions/download-artifact@v8
         with:
-          name: Dashboard-${{ needs.resolve-release-context.outputs.tag }}
+          name: Dashboard-${{ steps.tag.outputs.tag }}
           path: release-assets
 
 
@@ -299,32 +167,10 @@ jobs:
         id: notes
         shell: bash
         run: |
-          tag="${{ needs.resolve-release-context.outputs.tag }}"
-          nightly_tag="${{ needs.resolve-release-context.outputs.nightly_tag }}"
-          if [ "$tag" = "$nightly_tag" ]; then
+          note_file="changelogs/${{ steps.tag.outputs.tag }}.md"
+          if [ ! -f "$note_file" ]; then
             note_file="$(mktemp)"
-            if [ -f "scripts/release/generate_nightly_release_notes.py" ]; then
-              python3 -m scripts.release.generate_nightly_release_notes \
-                --base-tag "${{ steps.release-meta.outputs.base_version }}" \
-                --repo "${{ needs.resolve-release-context.outputs.repo_slug }}" \
-                --output "$note_file"
-            else
-              short_sha="$(git rev-parse --short=8 HEAD)"
-              echo "Nightly notes script is missing at this ref; using fallback notes."
-              {
-                echo "## What's Changed"
-                echo ""
-                echo "- Baseline tag: \`${{ steps.release-meta.outputs.base_version }}\`"
-                echo "- Nightly commit: \`$short_sha\`"
-                echo "- No changes summary generator available in this ref."
-              } > "$note_file"
-            fi
-          else
-            note_file="changelogs/${tag}.md"
-            if [ ! -f "$note_file" ]; then
-              note_file="$(mktemp)"
-              echo "Release ${tag}" > "$note_file"
-            fi
+            echo "Release ${{ steps.tag.outputs.tag }}" > "$note_file"
           fi
           echo "file=$note_file" >> "$GITHUB_OUTPUT"
 
@@ -333,18 +179,9 @@ jobs:
           GH_TOKEN: ${{ github.token }}
         shell: bash
         run: |
-          tag="${{ needs.resolve-release-context.outputs.tag }}"
-          title="${{ steps.release-meta.outputs.title }}"
-          nightly_tag="${{ needs.resolve-release-context.outputs.nightly_tag }}"
-          if [ "$tag" = "$nightly_tag" ]; then
-            pre_flag="--prerelease"
-          else
-            pre_flag=""
-          fi
+          tag="${{ steps.tag.outputs.tag }}"
           if ! gh release view "$tag" >/dev/null 2>&1; then
-            gh release create "$tag" --title "$title" --notes-file "${{ steps.notes.outputs.file }}" $pre_flag
-          elif [ "$tag" = "$nightly_tag" ]; then
-            gh release edit "$tag" --title "$title" --notes-file "${{ steps.notes.outputs.file }}" --prerelease
+            gh release create "$tag" --title "$tag" --notes-file "${{ steps.notes.outputs.file }}"
           fi
 
       - name: Remove stale assets from release
@@ -352,10 +189,10 @@ jobs:
           GH_TOKEN: ${{ github.token }}
         shell: bash
         run: |
-          tag="${{ needs.resolve-release-context.outputs.tag }}"
+          tag="${{ steps.tag.outputs.tag }}"
           while IFS= read -r asset; do
             case "$asset" in
-              AstrBot-*-dashboard.zip)
+              *.AppImage|*.dmg|*.zip|*.exe|*.blockmap)
                 gh release delete-asset "$tag" "$asset" -y || true
                 ;;
             esac
@@ -366,34 +203,49 @@ jobs:
           GH_TOKEN: ${{ github.token }}
         shell: bash
         run: |
-          tag="${{ needs.resolve-release-context.outputs.tag }}"
-          gh release upload "$tag" "release-assets/AstrBot-${tag}-dashboard.zip" --clobber
+          tag="${{ steps.tag.outputs.tag }}"
+          gh release upload "$tag" release-assets/* --clobber
 
   publish-pypi:
     name: Publish PyPI
-    if: ${{ needs.resolve-release-context.outputs.tag != needs.resolve-release-context.outputs.nightly_tag }}
     runs-on: ubuntu-24.04
     needs:
-      - resolve-release-context
       - publish-release
     steps:
       - name: Checkout repository
         uses: actions/checkout@v6
         with:
           fetch-depth: 0
-          ref: ${{ needs.resolve-release-context.outputs.checkout_ref }}
+          ref: ${{ inputs.ref || github.ref }}
+
+      - name: Resolve tag
+        id: tag
+        shell: bash
+        run: |
+          if [ "${{ github.event_name }}" = "push" ]; then
+            tag="${GITHUB_REF_NAME}"
+          elif [ -n "${{ inputs.tag }}" ]; then
+            tag="${{ inputs.tag }}"
+          else
+            tag="$(git describe --tags --abbrev=0)"
+          fi
+          if [ -z "$tag" ]; then
+            echo "Failed to resolve tag." >&2
+            exit 1
+          fi
+          echo "tag=$tag" >> "$GITHUB_OUTPUT"
 
       - name: Download dashboard artifact
         uses: actions/download-artifact@v8
         with:
-          name: Dashboard-${{ needs.resolve-release-context.outputs.tag }}
+          name: Dashboard-${{ steps.tag.outputs.tag }}
           path: dashboard-artifact
 
       - name: Unpack dashboard dist into package tree
         shell: bash
         run: |
           mkdir -p astrbot/dashboard/dist
-          unzip -q "dashboard-artifact/AstrBot-${{ needs.resolve-release-context.outputs.tag }}-dashboard.zip" -d dashboard-artifact/unpacked
+          unzip -q "dashboard-artifact/AstrBot-${{ steps.tag.outputs.tag }}-dashboard.zip" -d dashboard-artifact/unpacked
           cp -r dashboard-artifact/unpacked/dist/. astrbot/dashboard/dist/
 
       - name: Set up Python
diff --git a/astrbot/core/release_constants.py b/astrbot/core/release_constants.py
deleted file mode 100644
index 2e303a238..000000000
--- a/astrbot/core/release_constants.py
+++ /dev/null
@@ -1,11 +0,0 @@
-import re
-
-NIGHTLY_TAG = "nightly"
-GITHUB_REPO_SLUG = "AstrBotDevs/AstrBot"
-ASTRBOT_RELEASE_API = "https://api.soulter.top/releases"
-GITHUB_RELEASE_API = f"https://api.github.com/repos/{GITHUB_REPO_SLUG}/releases"
-GITHUB_ARCHIVE_BASE = f"https://github.com/{GITHUB_REPO_SLUG}/archive"
-PRERELEASE_TAG_REGEX = re.compile(
-    rf"[\-_.]?(alpha|beta|rc|dev|{re.escape(NIGHTLY_TAG)}|pre|preview)[\-_.]?\d*$",
-    re.IGNORECASE,
-)
diff --git a/astrbot/core/updator.py b/astrbot/core/updator.py
index b95e345b1..df2cfb82c 100644
--- a/astrbot/core/updator.py
+++ b/astrbot/core/updator.py
@@ -1,4 +1,3 @@
-import asyncio
 import os
 import sys
 import time
@@ -7,47 +6,10 @@ import psutil
 
 from astrbot.core import logger
 from astrbot.core.config.default import VERSION
-from astrbot.core.release_constants import (
-    ASTRBOT_RELEASE_API,
-    GITHUB_ARCHIVE_BASE,
-    GITHUB_RELEASE_API,
-    NIGHTLY_TAG,
-    PRERELEASE_TAG_REGEX,
-)
 from astrbot.core.utils.astrbot_path import get_astrbot_path
 from astrbot.core.utils.io import download_file
 
-from .zip_updator import (
-    FetchReleaseError,
-    ReleaseInfo,
-    RepoZipUpdator,
-)
-
-ASYNC_TIMEOUT_ERROR = asyncio.TimeoutError
-
-
-class AstrBotUpdateError(RuntimeError):
-    """Domain error for update-related failures."""
-
-
-class InvalidTargetError(AstrBotUpdateError):
-    """Raised when update target parameters are invalid."""
-
-
-class UpToDateError(AstrBotUpdateError):
-    """Raised when current version is already up to date."""
-
-
-class NoReleaseError(AstrBotUpdateError):
-    """Raised when no eligible release is available."""
-
-
-class UpdateFileNotFoundError(AstrBotUpdateError):
-    """Raised when update file for a requested version is not found."""
-
-
-class InvalidEnvironmentError(AstrBotUpdateError):
-    """Raised when update is called in unsupported runtime mode."""
+from .zip_updator import ReleaseInfo, RepoZipUpdator
 
 
 class AstrBotUpdator(RepoZipUpdator):
@@ -59,10 +21,7 @@ class AstrBotUpdator(RepoZipUpdator):
     def __init__(self, repo_mirror: str = "") -> None:
         super().__init__(repo_mirror)
         self.MAIN_PATH = get_astrbot_path()
-        self.ASTRBOT_RELEASE_API = ASTRBOT_RELEASE_API
-        self.GITHUB_RELEASE_API = GITHUB_RELEASE_API
-        self.GITHUB_ARCHIVE_BASE = GITHUB_ARCHIVE_BASE
-        self.NIGHTLY_TAG = NIGHTLY_TAG
+        self.ASTRBOT_RELEASE_API = "https://api.soulter.top/releases"
 
     def terminate_child_processes(self) -> None:
         """终止当前进程的所有子进程
@@ -182,108 +141,35 @@ class AstrBotUpdator(RepoZipUpdator):
             consider_prerelease,
         )
 
-    async def get_releases(self) -> list[dict]:
+    async def get_releases(self) -> list:
         return await self.fetch_release_info(self.ASTRBOT_RELEASE_API)
 
-    async def _fetch_nightly_release(self) -> dict | None:
-        nightly_release_url = f"{self.GITHUB_RELEASE_API}/tags/{self.NIGHTLY_TAG}"
-        try:
-            nightly_releases = await self.fetch_release_info(nightly_release_url)
-        except (
-            FetchReleaseError,
-            TimeoutError,
-            ASYNC_TIMEOUT_ERROR,
-            OSError,
-        ) as e:
-            logger.warning(
-                "获取 nightly 发布信息失败，跳过 nightly。"
-                f"url={nightly_release_url}, error_type={type(e).__name__}, detail={e}",
-            )
-            return None
-
-        if not nightly_releases:
-            return None
-        return nightly_releases[0]
-
-    async def get_releases_with_nightly(self) -> list[dict]:
-        releases = await self.get_releases()
-        nightly_release = await self._fetch_nightly_release()
-        if nightly_release is None:
-            return releases
-
-        if all(item.get("tag_name") != self.NIGHTLY_TAG for item in releases):
-            releases.insert(0, nightly_release)
-        return releases
-
-    async def _resolve_nightly_target(self) -> tuple[str, str]:
-        fallback = (
-            self.NIGHTLY_TAG,
-            f"{self.GITHUB_ARCHIVE_BASE}/refs/tags/{self.NIGHTLY_TAG}.zip",
-        )
-        nightly_release = await self._fetch_nightly_release()
-        if nightly_release is None:
-            logger.warning("nightly 发布信息不可用，使用归档地址。")
-            return fallback
-
-        zip_url = nightly_release.get("zipball_url", fallback[1])
-        return self.NIGHTLY_TAG, zip_url
-
-    async def _resolve_update_target(
-        self,
-        latest: bool,
-        version: str | None,
-    ) -> tuple[str, str]:
-        version_str = str(version).strip() if version is not None else ""
-
-        if latest and version_str:
-            raise InvalidTargetError(
-                "latest=True 时不能同时指定 version，请将 latest 设为 False。",
-            )
-
-        if latest:
-            releases = await self.get_releases()
-            latest_release = next(
-                (
-                    item
-                    for item in releases
-                    if (tag := item.get("tag_name", ""))
-                    and not PRERELEASE_TAG_REGEX.search(tag)
-                ),
-                None,
-            )
-            if latest_release is None:
-                raise NoReleaseError("未找到可用的发布版本。")
-            latest_version = latest_release["tag_name"]
-            if self.compare_version(VERSION, latest_version) >= 0:
-                raise UpToDateError("当前已经是最新版本。")
-            return latest_version, latest_release["zipball_url"]
-
-        if not version_str:
-            raise InvalidTargetError("未指定有效的更新目标。")
-
-        if version_str.lower() == self.NIGHTLY_TAG:
-            return await self._resolve_nightly_target()
-
-        if version_str.startswith("v"):
-            releases = await self.get_releases()
-            for data in releases:
-                if data.get("tag_name") == version_str:
-                    return version_str, data["zipball_url"]
-            raise UpdateFileNotFoundError(f"未找到版本号为 {version_str} 的更新文件。")
-
-        if len(version_str) != 40:
-            raise InvalidTargetError("commit hash 长度不正确，应为 40")
-        return version_str, f"{self.GITHUB_ARCHIVE_BASE}/{version_str}.zip"
-
     async def update(self, reboot=False, latest=True, version=None, proxy="") -> None:
+        update_data = await self.fetch_release_info(self.ASTRBOT_RELEASE_API, latest)
+        file_url = None
+
         if os.environ.get("ASTRBOT_CLI") or os.environ.get("ASTRBOT_LAUNCHER"):
-            raise InvalidEnvironmentError(
-                "Error: You are running AstrBot via CLI, please use `pip` or `uv tool upgrade` to update AstrBot.",
+            raise Exception(
+                "Error: You are running AstrBot via CLI, please use `pip` or `uv tool upgrade` to update AstrBot."
             )  # 避免版本管理混乱
 
-        target_version, file_url = await self._resolve_update_target(latest, version)
-
-        logger.info(f"准备更新至 AstrBot Core: {target_version}")
+        if latest:
+            latest_version = update_data[0]["tag_name"]
+            if self.compare_version(VERSION, latest_version) >= 0:
+                raise Exception("当前已经是最新版本。")
+            file_url = update_data[0]["zipball_url"]
+        elif str(version).startswith("v"):
+            # 更新到指定版本
+            for data in update_data:
+                if data["tag_name"] == version:
+                    file_url = data["zipball_url"]
+            if not file_url:
+                raise Exception(f"未找到版本号为 {version} 的更新文件。")
+        else:
+            if len(str(version)) != 40:
+                raise Exception("commit hash 长度不正确，应为 40")
+            file_url = f"https://github.com/AstrBotDevs/AstrBot/archive/{version}.zip"
+        logger.info(f"准备更新至指定版本的 AstrBot Core: {version}")
 
         if proxy:
             proxy = proxy.removesuffix("/")
diff --git a/astrbot/core/zip_updator.py b/astrbot/core/zip_updator.py
index 8c8d55290..6cea6b38d 100644
--- a/astrbot/core/zip_updator.py
+++ b/astrbot/core/zip_updator.py
@@ -3,19 +3,15 @@ import re
 import shutil
 import ssl
 import zipfile
-from json import JSONDecodeError
 from typing import NoReturn
 
 import aiohttp
 import certifi
 
 from astrbot.core import logger
-from astrbot.core.release_constants import PRERELEASE_TAG_REGEX
 from astrbot.core.utils.io import download_file, on_error
 from astrbot.core.utils.version_comparator import VersionComparator
 
-# Keep this rule aligned with dashboard/src/layouts/full/vertical-header/VerticalHeader.vue.
-
 
 class ReleaseInfo:
     version: str
@@ -36,112 +32,12 @@ class ReleaseInfo:
         return f"\n{self.body}\n\n版本: {self.version} | 发布于: {self.published_at}"
 
 
-class FetchReleaseError(Exception):
-    """Expected errors while fetching release metadata from remote services."""
-
-    def __init__(
-        self,
-        message: str,
-        *,
-        url: str | None = None,
-        status_code: int | None = None,
-        detail: str | None = None,
-    ) -> None:
-        super().__init__(message)
-        self.message = message
-        self.url = url
-        self.status_code = status_code
-        self.detail = detail
-
-    def __str__(self) -> str:
-        context_parts = []
-        if self.url:
-            context_parts.append(f"url={self.url}")
-        if self.status_code is not None:
-            context_parts.append(f"status_code={self.status_code}")
-        if self.detail:
-            context_parts.append(f"detail={self.detail}")
-        if not context_parts:
-            return self.message
-        return f"{self.message} ({', '.join(context_parts)})"
-
-
 class RepoZipUpdator:
     def __init__(self, repo_mirror: str = "") -> None:
         self.repo_mirror = repo_mirror
         self.rm_on_error = on_error
 
-    @staticmethod
-    def _normalize_release_payload(result: object, url: str) -> list:
-        if isinstance(result, dict):
-            releases = [result]
-        elif isinstance(result, list):
-            releases = result
-        else:
-            logger.error(
-                f"版本信息格式异常，期望列表或字典，实际为: {type(result).__name__}, url: {url}",
-            )
-            raise FetchReleaseError(
-                "版本信息格式异常",
-                url=url,
-                detail=f"top_level_type={type(result).__name__}",
-            )
-
-        if not releases:
-            return []
-
-        required_fields = (
-            "name",
-            "published_at",
-            "body",
-            "tag_name",
-            "zipball_url",
-        )
-        normalized = []
-        invalid_entry_count = 0
-        for idx, release in enumerate(releases):
-            if not isinstance(release, dict):
-                logger.warning(
-                    f"版本信息第 {idx} 项格式异常，期望字典，实际为: {type(release).__name__}, url: {url}",
-                )
-                invalid_entry_count += 1
-                continue
-
-            missing_fields = [
-                field for field in required_fields if field not in release
-            ]
-            if missing_fields:
-                logger.warning(
-                    f"版本信息第 {idx} 项缺少字段: {missing_fields}, url: {url}",
-                )
-                invalid_entry_count += 1
-                continue
-
-            normalized.append(
-                {
-                    "version": release["name"] or release["tag_name"],
-                    "published_at": release["published_at"],
-                    "body": release["body"],
-                    "tag_name": release["tag_name"],
-                    "zipball_url": release["zipball_url"],
-                },
-            )
-
-        if invalid_entry_count:
-            logger.warning(
-                f"版本信息存在 {invalid_entry_count} 条无效数据，已跳过，url: {url}",
-            )
-
-        if not normalized:
-            raise FetchReleaseError(
-                "版本信息全部无效",
-                url=url,
-                detail=f"invalid_entries={invalid_entry_count}, total_entries={len(releases)}",
-            )
-
-        return normalized
-
-    async def fetch_release_info(self, url: str) -> list:
+    async def fetch_release_info(self, url: str, latest: bool = True) -> list:
         """请求版本信息。
         返回一个列表，每个元素是一个字典，包含版本号、发布时间、更新内容、commit hash等信息。
         """
@@ -165,31 +61,46 @@ class RepoZipUpdator:
                     logger.error(
                         f"请求 {url} 失败，状态码: {response.status}, 内容: {text}",
                     )
-                    raise FetchReleaseError(
-                        "请求失败",
-                        url=url,
-                        status_code=response.status,
-                        detail=text[:500],
-                    )
+                    raise Exception(f"请求失败，状态码: {response.status}")
                 result = await response.json()
-        except FetchReleaseError:
-            raise
-        except (
-            TimeoutError,
-            aiohttp.ClientError,
-            JSONDecodeError,
-        ) as e:
-            logger.error(
-                "解析版本信息时发生异常。"
-                f"url={url}, error_type={type(e).__name__}, detail={e}",
-            )
-            raise FetchReleaseError(
-                "解析版本信息失败",
-                url=url,
-                detail=f"{type(e).__name__}: {e}",
-            ) from e
+            if not result:
+                return []
+            # if latest:
+            #     ret = self.github_api_release_parser([result[0]])
+            # else:
+            #     ret = self.github_api_release_parser(result)
+            ret = []
+            for release in result:
+                ret.append(
+                    {
+                        "version": release["name"],
+                        "published_at": release["published_at"],
+                        "body": release["body"],
+                        "tag_name": release["tag_name"],
+                        "zipball_url": release["zipball_url"],
+                    },
+                )
+        except Exception as e:
+            logger.error(f"解析版本信息时发生异常: {e}")
+            raise Exception("解析版本信息失败")
+        return ret
 
-        return self._normalize_release_payload(result, url)
+    def github_api_release_parser(self, releases: list) -> list:
+        """解析 GitHub API 返回的 releases 信息。
+        返回一个列表，每个元素是一个字典，包含版本号、发布时间、更新内容、commit hash等信息。
+        """
+        ret = []
+        for release in releases:
+            ret.append(
+                {
+                    "version": release["name"],
+                    "published_at": release["published_at"],
+                    "body": release["body"],
+                    "tag_name": release["tag_name"],
+                    "zipball_url": release["zipball_url"],
+                },
+            )
+        return ret
 
     def unzip(self) -> NoReturn:
         raise NotImplementedError
@@ -208,33 +119,25 @@ class RepoZipUpdator:
         consider_prerelease: bool = True,
     ) -> ReleaseInfo | None:
         update_data = await self.fetch_release_info(url)
-        if not update_data:
-            return None
 
-        tag_name = ""
         sel_release_data = None
         if consider_prerelease:
             tag_name = update_data[0]["tag_name"]
             sel_release_data = update_data[0]
         else:
             for data in update_data:
-                # 跳过带有 alpha、beta、nightly 等预发布标签的版本
-                if PRERELEASE_TAG_REGEX.search(data["tag_name"]):
+                # 跳过带有 alpha、beta 等预发布标签的版本
+                if re.search(
+                    r"[\-_.]?(alpha|beta|rc|dev)[\-_.]?\d*$",
+                    data["tag_name"],
+                    re.IGNORECASE,
+                ):
                     continue
                 tag_name = data["tag_name"]
                 sel_release_data = data
                 break
 
-        if sel_release_data is None:
-            if not consider_prerelease:
-                logger.info(
-                    "当前仅有预发布版本，consider_prerelease=False，跳过更新检查。"
-                )
-            else:
-                logger.error("未找到合适的发布版本")
-            return None
-
-        if not tag_name:
+        if not sel_release_data or not tag_name:
             logger.error("未找到合适的发布版本")
             return None
 
diff --git a/astrbot/dashboard/routes/update.py b/astrbot/dashboard/routes/update.py
index 90d8afeb8..b0520c315 100644
--- a/astrbot/dashboard/routes/update.py
+++ b/astrbot/dashboard/routes/update.py
@@ -79,7 +79,7 @@ class UpdateRoute(Route):
 
     async def get_releases(self):
         try:
-            ret = await self.astrbot_updator.get_releases_with_nightly()
+            ret = await self.astrbot_updator.get_releases()
             return Response().ok(ret).__dict__
         except Exception as e:
             logger.error(f"/api/update/releases: {traceback.format_exc()}")
diff --git a/dashboard/src/layouts/full/vertical-header/VerticalHeader.vue b/dashboard/src/layouts/full/vertical-header/VerticalHeader.vue
index 0c282608d..613771860 100644
--- a/dashboard/src/layouts/full/vertical-header/VerticalHeader.vue
+++ b/dashboard/src/layouts/full/vertical-header/VerticalHeader.vue
@@ -208,9 +208,12 @@ function handleUpdateClick() {
   updateStatusDialog.value = true;
 }
 
-// Keep this rule aligned with astrbot/core/zip_updator.py.
-const PRE_RELEASE_TAG_REGEX = /[\-_.]?(alpha|beta|rc|dev|nightly|pre|preview)[\-_.]?\d*$/i;
-const isPreRelease = (version: string) => PRE_RELEASE_TAG_REGEX.test(version);
+// 检测是否为预发布版本
+const isPreRelease = (version: string) => {
+  const preReleaseKeywords = ['alpha', 'beta', 'rc', 'pre', 'preview', 'dev'];
+  const lowerVersion = version.toLowerCase();
+  return preReleaseKeywords.some(keyword => lowerVersion.includes(keyword));
+};
 
 // 账户修改
 function accountEdit() {
diff --git a/scripts/__init__.py b/scripts/__init__.py
deleted file mode 100644
index 29db0ff52..000000000
--- a/scripts/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-# Scripts package marker.
diff --git a/scripts/release/__init__.py b/scripts/release/__init__.py
deleted file mode 100644
index cb3156b55..000000000
--- a/scripts/release/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-# Release scripts package marker.
diff --git a/scripts/release/generate_nightly_release_notes.py b/scripts/release/generate_nightly_release_notes.py
deleted file mode 100644
index e15c9ab7c..000000000
--- a/scripts/release/generate_nightly_release_notes.py
+++ /dev/null
@@ -1,136 +0,0 @@
-#!/usr/bin/env python3
-
-from __future__ import annotations
-
-import argparse
-import subprocess
-from collections import defaultdict
-from pathlib import Path
-
-if __package__:
-    from .release_constants_loader import load_release_constants
-else:
-    import sys
-
-    sys.path.insert(0, str(Path(__file__).resolve().parents[2]))
-    from scripts.release.release_constants_loader import load_release_constants
-
-_constants = load_release_constants("NIGHTLY_TAG", "GITHUB_REPO_SLUG")
-NIGHTLY_TAG = _constants["NIGHTLY_TAG"]
-DEFAULT_REPO_SLUG = _constants["GITHUB_REPO_SLUG"]
-
-
-def _run_git(*args: str) -> str:
-    try:
-        result = subprocess.run(
-            ["git", *args],
-            capture_output=True,
-            text=True,
-            check=True,
-        )
-    except subprocess.CalledProcessError as e:
-        stderr = (e.stderr or "").strip()
-        stdout = (e.stdout or "").strip()
-        detail = stderr or stdout or "no output"
-        raise RuntimeError(f"git {' '.join(args)} failed: {detail}") from e
-    return result.stdout.strip()
-
-
-def _is_valid_ref(ref: str) -> bool:
-    if not ref:
-        return False
-    result = subprocess.run(
-        ["git", "rev-parse", "--verify", "--quiet", ref],
-        capture_output=True,
-        text=True,
-        check=False,
-    )
-    return result.returncode == 0
-
-
-def _classify(subject: str) -> str:
-    lowered = subject.lower().strip()
-    if lowered.startswith("feat") or "新增" in subject:
-        return "新增"
-    if lowered.startswith("fix") or "修复" in subject:
-        return "修复"
-    if (
-        lowered.startswith("perf")
-        or lowered.startswith("refactor")
-        or "优化" in subject
-    ):
-        return "优化"
-    return "其他"
-
-
-def _write_fallback(output_path: Path) -> None:
-    short_sha = _run_git("rev-parse", "--short=8", "HEAD")
-    output_path.write_text(
-        f"## What's Changed\n\n- {NIGHTLY_TAG.capitalize()} build from `{short_sha}`\n",
-        encoding="utf-8",
-    )
-
-
-def generate_notes(base_tag: str, repo: str, output_path: Path) -> None:
-    output_path.parent.mkdir(parents=True, exist_ok=True)
-    if not _is_valid_ref(base_tag):
-        _write_fallback(output_path)
-        return
-
-    log_output = _run_git(
-        "log",
-        "--no-merges",
-        "--pretty=format:%h%x1f%s",
-        f"{base_tag}..HEAD",
-    )
-    sections: dict[str, list[str]] = defaultdict(list)
-    for line in log_output.splitlines():
-        if not line.strip() or "\x1f" not in line:
-            continue
-        short_sha, subject = line.split("\x1f", 1)
-        commit_link = f"https://github.com/{repo}/commit/{short_sha}"
-        sections[_classify(subject)].append(
-            f"- {subject} ([`{short_sha}`]({commit_link}))"
-        )
-
-    nightly_commit = _run_git("rev-parse", "--short=8", "HEAD")
-    with output_path.open("w", encoding="utf-8") as file:
-        file.write("## What's Changed\n\n")
-        file.write(f"- Baseline tag: `{base_tag}`\n")
-        file.write(f"- {NIGHTLY_TAG.capitalize()} commit: `{nightly_commit}`\n")
-
-        if not any(sections.values()):
-            file.write(f"- No changes since `{base_tag}`\n\n")
-            return
-
-        file.write("\n")
-        for title in ("新增", "修复", "优化", "其他"):
-            items = sections.get(title, [])
-            if not items:
-                continue
-            file.write(f"### {title}\n")
-            file.write("\n".join(items))
-            file.write("\n\n")
-
-
-def main() -> None:
-    parser = argparse.ArgumentParser(
-        description="Generate release notes for nightly release.",
-    )
-    parser.add_argument("--base-tag", default="", help="Baseline stable tag.")
-    parser.add_argument(
-        "--repo",
-        default=DEFAULT_REPO_SLUG,
-        help="GitHub repository slug.",
-    )
-    parser.add_argument("--output", required=True, help="Output markdown path.")
-    args = parser.parse_args()
-
-    try:
-        generate_notes(args.base_tag.strip(), args.repo.strip(), Path(args.output))
-    except Exception as e:
-        raise SystemExit(f"Failed to generate nightly release notes: {e}") from e
-
-
-if __name__ == "__main__":
-    main()
diff --git a/scripts/release/print_release_constant.py b/scripts/release/print_release_constant.py
deleted file mode 100644
index fb5572127..000000000
--- a/scripts/release/print_release_constant.py
+++ /dev/null
@@ -1,27 +0,0 @@
-#!/usr/bin/env python3
-
-from __future__ import annotations
-
-import argparse
-
-if __package__:
-    from .release_constants_loader import load_release_constant
-else:
-    import sys
-    from pathlib import Path
-
-    sys.path.insert(0, str(Path(__file__).resolve().parents[2]))
-    from scripts.release.release_constants_loader import load_release_constant
-
-
-def main() -> None:
-    parser = argparse.ArgumentParser(
-        description="Print a release constant from astrbot/core/release_constants.py.",
-    )
-    parser.add_argument("name", help="Constant name, e.g. NIGHTLY_TAG.")
-    args = parser.parse_args()
-    print(load_release_constant(args.name))
-
-
-if __name__ == "__main__":
-    main()
diff --git a/scripts/release/release_constants_loader.py b/scripts/release/release_constants_loader.py
deleted file mode 100644
index bfc65ee62..000000000
--- a/scripts/release/release_constants_loader.py
+++ /dev/null
@@ -1,60 +0,0 @@
-from __future__ import annotations
-
-import importlib.machinery
-import importlib.util
-from functools import lru_cache
-from pathlib import Path
-from types import ModuleType
-
-
-def _constants_file() -> Path:
-    return (
-        Path(__file__).resolve().parents[2]
-        / "astrbot"
-        / "core"
-        / "release_constants.py"
-    )
-
-
-@lru_cache(maxsize=1)
-def _release_constants_module() -> ModuleType:
-    constants_path = _constants_file()
-    module_name = "astrbot_core_release_constants_loader"
-    loader = importlib.machinery.SourceFileLoader(module_name, str(constants_path))
-    spec = importlib.util.spec_from_loader(module_name, loader)
-    if spec is None:
-        raise RuntimeError(f"Failed to load spec for {constants_path}")
-
-    module = importlib.util.module_from_spec(spec)
-    loader.exec_module(module)
-    return module
-
-
-def load_release_constants(*names: str) -> dict[str, str]:
-    module = _release_constants_module()
-
-    values: dict[str, str] = {}
-    missing: list[str] = []
-
-    for name in names:
-        value = getattr(module, name, None)
-        if not isinstance(value, str):
-            missing.append(name)
-            continue
-        value = value.strip()
-        if not value:
-            missing.append(name)
-            continue
-        values[name] = value
-
-    if missing:
-        missing_str = ", ".join(missing)
-        raise RuntimeError(
-            f"Failed to parse {missing_str} from astrbot/core/release_constants.py",
-        )
-
-    return values
-
-
-def load_release_constant(name: str) -> str:
-    return load_release_constants(name)[name]
diff --git a/tests/unit/test_prerelease_rule_sync.py b/tests/unit/test_prerelease_rule_sync.py
deleted file mode 100644
index 481b396e3..000000000
--- a/tests/unit/test_prerelease_rule_sync.py
+++ /dev/null
@@ -1,49 +0,0 @@
-import re
-from pathlib import Path
-
-from astrbot.core.release_constants import PRERELEASE_TAG_REGEX
-
-
-def test_prerelease_rule_is_synced_with_dashboard():
-    repo_root = Path(__file__).resolve().parents[2]
-    vue_path = (
-        repo_root / "dashboard/src/layouts/full/vertical-header/VerticalHeader.vue"
-    )
-    content = vue_path.read_text(encoding="utf-8")
-
-    match = re.search(
-        r"const\s+PRE_RELEASE_TAG_REGEX\s*=\s*/(.+?)/([a-z]*)\s*;?",
-        content,
-    )
-    assert match is not None
-    vue_pattern, vue_flags = match.groups()
-    assert vue_pattern == PRERELEASE_TAG_REGEX.pattern
-    assert ("i" in vue_flags) == bool(PRERELEASE_TAG_REGEX.flags & re.IGNORECASE)
-
-
-def test_prerelease_rule_matches_expected_examples():
-    prerelease_tags = (
-        "v1.2.3-alpha.1",
-        "v1.2.3-beta",
-        "v1.2.3-rc1",
-        "v1.2.3-dev",
-        "v1.2.3-nightly",
-        "v1.2.3-pre",
-        "v1.2.3-preview",
-        "v1.2.3-ALPHA",
-        "v1.2.3-Beta.1",
-        "v1.2.3-NIGHTLY",
-    )
-    stable_tags = (
-        "v1.2.3",
-        "v1.2.3+build.1",
-        "v1.2.3-release",
-        "v1.2.3-alphaish",
-        "v1.2.3-previewed",
-    )
-
-    for tag in prerelease_tags:
-        assert PRERELEASE_TAG_REGEX.search(tag) is not None
-
-    for tag in stable_tags:
-        assert PRERELEASE_TAG_REGEX.search(tag) is None
diff --git a/tests/unit/test_updator.py b/tests/unit/test_updator.py
deleted file mode 100644
index 4779f15aa..000000000
--- a/tests/unit/test_updator.py
+++ /dev/null
@@ -1,437 +0,0 @@
-import pytest
-
-from astrbot.core.updator import AstrBotUpdateError, AstrBotUpdator
-from astrbot.core.zip_updator import FetchReleaseError, RepoZipUpdator
-
-
-def test_normalize_release_payload_skips_invalid_entry_when_other_entries_are_valid():
-    updator = RepoZipUpdator()
-    payload = [
-        {
-            "name": "v1.0.0",
-            "published_at": "2026-03-01T00:00:00Z",
-            "tag_name": "v1.0.0",
-            "zipball_url": "https://example.com/v1.0.0.zip",
-        },
-        {
-            "name": "v1.0.1",
-            "published_at": "2026-03-02T00:00:00Z",
-            "body": "release body",
-            "tag_name": "v1.0.1",
-            "zipball_url": "https://example.com/v1.0.1.zip",
-        },
-    ]
-
-    releases = updator._normalize_release_payload(
-        payload,
-        "https://example.invalid/releases",
-    )
-
-    assert len(releases) == 1
-    assert releases[0]["tag_name"] == "v1.0.1"
-
-
-def test_normalize_release_payload_raises_on_invalid_item_type():
-    updator = RepoZipUpdator()
-
-    with pytest.raises(FetchReleaseError, match="版本信息全部无效"):
-        updator._normalize_release_payload(
-            ["invalid-release-item"],
-            "https://example.invalid/releases",
-        )
-
-
-def test_normalize_release_payload_accepts_valid_payload():
-    updator = RepoZipUpdator()
-    payload = {
-        "name": "v1.0.0",
-        "published_at": "2026-03-01T00:00:00Z",
-        "body": "release body",
-        "tag_name": "v1.0.0",
-        "zipball_url": "https://example.com/v1.0.0.zip",
-    }
-
-    releases = updator._normalize_release_payload(
-        payload,
-        "https://example.invalid/releases",
-    )
-
-    assert len(releases) == 1
-    assert releases[0]["tag_name"] == "v1.0.0"
-    assert releases[0]["version"] == "v1.0.0"
-
-
-def test_normalize_release_payload_raises_when_all_entries_invalid():
-    updator = RepoZipUpdator()
-    malformed_payload = [
-        {
-            "name": "v1.0.0",
-            "published_at": "2026-03-01T00:00:00Z",
-            "tag_name": "v1.0.0",
-            "zipball_url": "https://example.com/v1.0.0.zip",
-        }
-    ]
-
-    with pytest.raises(FetchReleaseError, match="版本信息全部无效"):
-        updator._normalize_release_payload(
-            malformed_payload,
-            "https://example.invalid/releases",
-        )
-
-
-def test_normalize_release_payload_error_contains_context():
-    updator = RepoZipUpdator()
-    malformed_payload = ["invalid-release-item"]
-
-    with pytest.raises(FetchReleaseError) as exc_info:
-        updator._normalize_release_payload(
-            malformed_payload,
-            "https://example.invalid/releases",
-        )
-
-    error = exc_info.value
-    assert error.url == "https://example.invalid/releases"
-    assert error.detail is not None
-
-
-@pytest.mark.asyncio
-async def test_update_supports_nightly_tag(monkeypatch, tmp_path):
-    updator = AstrBotUpdator()
-    captured: dict[str, str] = {}
-
-    async def mock_download_file(url: str, path: str, *args, **kwargs):
-        captured["url"] = url
-        captured["path"] = path
-
-    async def mock_fetch_release_info(url: str):
-        if url == updator.ASTRBOT_RELEASE_API:
-            return []
-        if url == f"{updator.GITHUB_RELEASE_API}/tags/{updator.NIGHTLY_TAG}":
-            return [
-                {
-                    "version": "nightly",
-                    "published_at": "2026-03-02T00:00:00Z",
-                    "body": "nightly",
-                    "tag_name": "nightly",
-                    "zipball_url": "https://example.com/nightly.zip",
-                }
-            ]
-        raise AssertionError(f"unexpected URL: {url}")
-
-    def mock_unzip_file(zip_path: str, target_dir: str):
-        captured["zip_path"] = zip_path
-        captured["target_dir"] = target_dir
-
-    monkeypatch.delenv("ASTRBOT_CLI", raising=False)
-    monkeypatch.delenv("ASTRBOT_LAUNCHER", raising=False)
-    monkeypatch.setattr("astrbot.core.updator.download_file", mock_download_file)
-    monkeypatch.setattr(updator, "fetch_release_info", mock_fetch_release_info)
-    monkeypatch.setattr(updator, "unzip_file", mock_unzip_file)
-    monkeypatch.setattr(updator, "MAIN_PATH", str(tmp_path))
-
-    await updator.update(latest=False, version="nightly")
-
-    assert captured["url"] == "https://example.com/nightly.zip"
-    assert captured["path"] == "temp.zip"
-    assert captured["zip_path"] == "temp.zip"
-    assert captured["target_dir"] == str(tmp_path)
-
-
-@pytest.mark.asyncio
-async def test_resolve_update_target_nightly_uses_archive_fallback(monkeypatch):
-    updator = AstrBotUpdator()
-    updator.GITHUB_ARCHIVE_BASE = "https://github.com/example-org/example-repo/archive"
-
-    async def mock_fetch_release_info(url: str):
-        if url == f"{updator.GITHUB_RELEASE_API}/tags/{updator.NIGHTLY_TAG}":
-            raise FetchReleaseError("请求失败")
-        raise AssertionError(f"unexpected URL: {url}")
-
-    monkeypatch.setattr(updator, "fetch_release_info", mock_fetch_release_info)
-
-    target_version, file_url = await updator._resolve_update_target(
-        latest=False,
-        version="nightly",
-    )
-    assert target_version == "nightly"
-    assert (
-        file_url
-        == "https://github.com/example-org/example-repo/archive/refs/tags/nightly.zip"
-    )
-
-
-@pytest.mark.asyncio
-async def test_resolve_update_target_commit_uses_archive_base():
-    updator = AstrBotUpdator()
-    updator.GITHUB_ARCHIVE_BASE = "https://github.com/example-org/example-repo/archive"
-    version_str = "1234567890123456789012345678901234567890"
-
-    target_version, file_url = await updator._resolve_update_target(
-        latest=False,
-        version=version_str,
-    )
-    assert target_version == version_str
-    assert (
-        file_url
-        == "https://github.com/example-org/example-repo/archive/1234567890123456789012345678901234567890.zip"
-    )
-
-
-@pytest.mark.asyncio
-async def test_get_releases_includes_nightly_tag(monkeypatch):
-    updator = AstrBotUpdator()
-
-    stable_release = {
-        "version": "v9.9.9",
-        "published_at": "2026-03-01T00:00:00Z",
-        "body": "stable",
-        "tag_name": "v9.9.9",
-        "zipball_url": "https://example.com/stable.zip",
-    }
-    nightly_release = {
-        "version": "nightly",
-        "published_at": "2026-03-02T00:00:00Z",
-        "body": "nightly",
-        "tag_name": "nightly",
-        "zipball_url": "https://example.com/nightly.zip",
-    }
-
-    async def mock_fetch_release_info(url: str):
-        if url == updator.ASTRBOT_RELEASE_API:
-            return [stable_release]
-        if url == f"{updator.GITHUB_RELEASE_API}/tags/{updator.NIGHTLY_TAG}":
-            return [nightly_release]
-        raise AssertionError(f"unexpected URL: {url}")
-
-    monkeypatch.setattr(updator, "fetch_release_info", mock_fetch_release_info)
-
-    releases = await updator.get_releases_with_nightly()
-
-    assert releases[0]["tag_name"] == "nightly"
-    assert releases[1]["tag_name"] == "v9.9.9"
-
-
-@pytest.mark.asyncio
-async def test_get_releases_deduplicates_nightly_when_already_in_stable(monkeypatch):
-    updator = AstrBotUpdator()
-
-    stable_nightly_release = {
-        "version": "nightly",
-        "published_at": "2026-03-01T00:00:00Z",
-        "body": "stable nightly",
-        "tag_name": "nightly",
-        "zipball_url": "https://example.com/stable-nightly.zip",
-    }
-    github_nightly_release = {
-        "version": "nightly",
-        "published_at": "2026-03-02T00:00:00Z",
-        "body": "github nightly",
-        "tag_name": "nightly",
-        "zipball_url": "https://example.com/github-nightly.zip",
-    }
-
-    async def mock_fetch_release_info(url: str):
-        if url == updator.ASTRBOT_RELEASE_API:
-            return [stable_nightly_release]
-        if url == f"{updator.GITHUB_RELEASE_API}/tags/{updator.NIGHTLY_TAG}":
-            return [github_nightly_release]
-        raise AssertionError(f"unexpected URL: {url}")
-
-    monkeypatch.setattr(updator, "fetch_release_info", mock_fetch_release_info)
-
-    releases = await updator.get_releases_with_nightly()
-
-    nightly_releases = [item for item in releases if item["tag_name"] == "nightly"]
-    assert len(nightly_releases) == 1
-    assert releases[0]["zipball_url"] == "https://example.com/stable-nightly.zip"
-
-
-@pytest.mark.asyncio
-async def test_get_releases_returns_stable_only(monkeypatch):
-    updator = AstrBotUpdator()
-    stable_release = {
-        "version": "v9.9.9",
-        "published_at": "2026-03-01T00:00:00Z",
-        "body": "stable",
-        "tag_name": "v9.9.9",
-        "zipball_url": "https://example.com/stable.zip",
-    }
-
-    async def mock_fetch_release_info(url: str):
-        if url == updator.ASTRBOT_RELEASE_API:
-            return [stable_release]
-        raise AssertionError(f"unexpected URL: {url}")
-
-    monkeypatch.setattr(updator, "fetch_release_info", mock_fetch_release_info)
-
-    releases = await updator.get_releases()
-    assert len(releases) == 1
-    assert releases[0]["tag_name"] == "v9.9.9"
-
-
-@pytest.mark.asyncio
-async def test_resolve_update_target_skips_prerelease_tags_for_latest(monkeypatch):
-    updator = AstrBotUpdator()
-    releases = [
-        {
-            "version": "v9.9.9-rc1",
-            "published_at": "2026-03-02T00:00:00Z",
-            "body": "rc",
-            "tag_name": "v9.9.9-rc1",
-            "zipball_url": "https://example.com/rc.zip",
-        },
-        {
-            "version": "v9.9.8",
-            "published_at": "2026-03-01T00:00:00Z",
-            "body": "stable",
-            "tag_name": "v9.9.8",
-            "zipball_url": "https://example.com/stable.zip",
-        },
-    ]
-
-    async def mock_get_releases():
-        return releases
-
-    monkeypatch.setattr(updator, "get_releases", mock_get_releases)
-    monkeypatch.setattr(updator, "compare_version", lambda _current, _target: -1)
-
-    target_version, file_url = await updator._resolve_update_target(
-        latest=True,
-        version=None,
-    )
-    assert target_version == "v9.9.8"
-    assert file_url == "https://example.com/stable.zip"
-
-
-@pytest.mark.asyncio
-async def test_resolve_update_target_rejects_version_when_latest_true():
-    updator = AstrBotUpdator()
-
-    with pytest.raises(
-        AstrBotUpdateError,
-        match="latest=True 时不能同时指定 version，请将 latest 设为 False。",
-    ):
-        await updator._resolve_update_target(
-            latest=True,
-            version="nightly",
-        )
-
-
-@pytest.mark.asyncio
-async def test_get_releases_with_nightly_skips_expected_nightly_fetch_error(monkeypatch):
-    updator = AstrBotUpdator()
-    stable_release = {
-        "version": "v9.9.9",
-        "published_at": "2026-03-01T00:00:00Z",
-        "body": "stable",
-        "tag_name": "v9.9.9",
-        "zipball_url": "https://example.com/stable.zip",
-    }
-
-    async def mock_fetch_release_info(url: str):
-        if url == updator.ASTRBOT_RELEASE_API:
-            return [stable_release]
-        if url == f"{updator.GITHUB_RELEASE_API}/tags/{updator.NIGHTLY_TAG}":
-            raise FetchReleaseError("请求失败，状态码: 404")
-        raise AssertionError(f"unexpected URL: {url}")
-
-    monkeypatch.setattr(updator, "fetch_release_info", mock_fetch_release_info)
-
-    releases = await updator.get_releases_with_nightly()
-    assert len(releases) == 1
-    assert releases[0]["tag_name"] == "v9.9.9"
-
-
-@pytest.mark.asyncio
-async def test_get_releases_with_nightly_raises_for_unexpected_nightly_error(
-    monkeypatch,
-):
-    updator = AstrBotUpdator()
-    stable_release = {
-        "version": "v9.9.9",
-        "published_at": "2026-03-01T00:00:00Z",
-        "body": "stable",
-        "tag_name": "v9.9.9",
-        "zipball_url": "https://example.com/stable.zip",
-    }
-
-    async def mock_fetch_release_info(url: str):
-        if url == updator.ASTRBOT_RELEASE_API:
-            return [stable_release]
-        if url == f"{updator.GITHUB_RELEASE_API}/tags/{updator.NIGHTLY_TAG}":
-            raise KeyError("unexpected")
-        raise AssertionError(f"unexpected URL: {url}")
-
-    monkeypatch.setattr(updator, "fetch_release_info", mock_fetch_release_info)
-
-    with pytest.raises(KeyError):
-        await updator.get_releases_with_nightly()
-
-
-@pytest.mark.asyncio
-async def test_check_update_skips_nightly_when_prerelease_disabled(monkeypatch):
-    updator = RepoZipUpdator()
-
-    async def mock_fetch_release_info(url: str):
-        _ = url
-        return [
-            {
-                "version": "nightly",
-                "published_at": "2026-03-02T00:00:00Z",
-                "body": "nightly build",
-                "tag_name": "nightly",
-                "zipball_url": "https://example.com/nightly.zip",
-            },
-            {
-                "version": "v1.2.3",
-                "published_at": "2026-03-01T00:00:00Z",
-                "body": "stable release",
-                "tag_name": "v1.2.3",
-                "zipball_url": "https://example.com/stable.zip",
-            },
-        ]
-
-    monkeypatch.setattr(updator, "fetch_release_info", mock_fetch_release_info)
-
-    release = await updator.check_update(
-        "https://example.invalid/releases",
-        "v1.0.0",
-        consider_prerelease=False,
-    )
-
-    assert release is not None
-    assert release.version == "v1.2.3"
-
-
-@pytest.mark.asyncio
-async def test_check_update_returns_none_when_only_prerelease_and_disabled(monkeypatch):
-    updator = RepoZipUpdator()
-
-    async def mock_fetch_release_info(url: str):
-        _ = url
-        return [
-            {
-                "version": "nightly",
-                "published_at": "2026-03-02T00:00:00Z",
-                "body": "nightly build",
-                "tag_name": "nightly",
-                "zipball_url": "https://example.com/nightly.zip",
-            },
-            {
-                "version": "v1.2.3-beta.1",
-                "published_at": "2026-03-01T00:00:00Z",
-                "body": "beta build",
-                "tag_name": "v1.2.3-beta.1",
-                "zipball_url": "https://example.com/beta.zip",
-            },
-        ]
-
-    monkeypatch.setattr(updator, "fetch_release_info", mock_fetch_release_info)
-
-    release = await updator.check_update(
-        "https://example.invalid/releases",
-        "v1.0.0",
-        consider_prerelease=False,
-    )
-
-    assert release is None