diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
deleted file mode 100644
index 48051ed..0000000
--- a/.github/workflows/publish.yml
+++ /dev/null
@@ -1,105 +0,0 @@
-name: Auto Release & Publish
-
-on:
-  push:
-    branches: [master]
-    paths-ignore:
-      - '**.md'
-      - '.gitignore'
-      - 'LICENSE'
-  workflow_dispatch:
-    inputs:
-      version:
-        description: "Version override (leave empty to use pom.xml)"
-        required: false
-
-jobs:
-  release-and-publish:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-    steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4 (v4.3.1)
-        with:
-          fetch-depth: 0
-
-      - name: Set up JDK
-        uses: actions/setup-java@c1e323688fd81a25caa38c78aa6df2d33d3e20d9  # v4 (v4.8.0)
-        with:
-          java-version: '21'
-          distribution: 'temurin'
-          cache: maven
-
-      - name: Extract version
-        id: version
-        run: |
-          if [ -n "${{ github.event.inputs.version }}" ]; then
-            echo "VERSION=${{ github.event.inputs.version }}" >> "$GITHUB_OUTPUT"
-          else
-            VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)
-            echo "VERSION=$VERSION" >> "$GITHUB_OUTPUT"
-          fi
-
-      - name: Check if release exists
-        id: check
-        env:
-          GH_TOKEN: ${{ github.token }}
-        run: |
-          if gh release view "v${{ steps.version.outputs.VERSION }}" > /dev/null 2>&1; then
-            echo "EXISTS=true" >> "$GITHUB_OUTPUT"
-            echo "::notice::Release v${{ steps.version.outputs.VERSION }} already exists, skipping."
-          else
-            echo "EXISTS=false" >> "$GITHUB_OUTPUT"
-          fi
-
-      - name: Generate changelog
-        if: steps.check.outputs.EXISTS == 'false'
-        run: |
-          PREV_TAG=$(git tag --sort=-v:refname | head -1)
-          {
-            echo "## 更新日志 / Changelog"
-            echo ""
-            if [ -z "$PREV_TAG" ]; then
-              git log --pretty=format:"- %s"
-            else
-              git log --pretty=format:"- %s" "${PREV_TAG}..HEAD"
-            fi
-            echo ""
-          } > /tmp/changelog.md
-
-      - name: Set project version
-        if: steps.check.outputs.EXISTS == 'false'
-        run: mvn versions:set -DnewVersion="${{ steps.version.outputs.VERSION }}" -DgenerateBackupPoms=false
-
-      - name: Build
-        if: steps.check.outputs.EXISTS == 'false'
-        run: mvn clean package -Dmaven.test.skip=true
-
-      - name: Create GitHub Release
-        if: steps.check.outputs.EXISTS == 'false'
-        env:
-          GH_TOKEN: ${{ github.token }}
-        run: |
-          gh release create "v${{ steps.version.outputs.VERSION }}" \
-            --title "v${{ steps.version.outputs.VERSION }}" \
-            --notes-file /tmp/changelog.md
-
-      - name: Set up Node.js
-        if: steps.check.outputs.EXISTS == 'false'
-        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020  # v4 (v4.4.0)
-        with:
-          node-version: '20'
-
-      - name: Install UltiKits CLI
-        if: steps.check.outputs.EXISTS == 'false'
-        run: npm install -g @ultikits/cli
-
-      - name: Publish to UltiCloud
-        continue-on-error: true
-        if: steps.check.outputs.EXISTS == 'false'
-        env:
-          ULTIKITS_TOKEN: ${{ secrets.ULTIKITS_TOKEN }}
-        run: |
-          ultikits publish --yes \
-            --module-version "${{ steps.version.outputs.VERSION }}" \
-            --changelog "$(cat /tmp/changelog.md)"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7487714..67a3c15 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,10 +5,15 @@ Format based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
 本文件记录本项目的所有重要更改，格式基于 [Keep a Changelog](https://keepachangelog.com/en/1.1.0/)。
 
-## [Unreleased]
+## [2.0.0] - 2026-10-21
 
 ### Changed
 
+- Require the released UltiTools-API 6.3.0 dependency. This is an independent MAJOR upgrade from
+  the served 1.0.0 line: the module's UltiTools API level rises from 620 to 630, so operators must
+  upgrade the framework before replacing the module JAR. The catalogue identity remains `ultibackup`.
+- 要求使用已发布的 UltiTools-API 6.3.0 依赖。这是相对于当前提供的 1.0.0 版本线的独立主版本升级：模块的 UltiTools API
+  级别从 620 升至 630，因此管理员必须先升级框架，再替换模块 JAR。模块目录中的标识仍为 `ultibackup`。
 - Automatic backups now follow a new key, `auto_backup.interval_seconds` in `config/backup.yml`, in seconds
   (default 1800, the same 30 minutes as before; 1 to 107374182). The interval is scheduled by UltiTools 6.3.0's
   config-bound scheduling: a changed value applies at `/ul reload` without moving the next backup earlier or later
@@ -28,15 +33,14 @@ Format based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
   `auto_backup.interval_seconds`。旧键仍按 1-1440 校验，超出范围的值仍会使模块被拒绝加载（见 README 的已知限制）。
   服务器已有的配置文件会在首次启动时加入带默认值的新键，其中已有的内容不会改变。
 
-- This version requires UltiTools 6.3.0 or later and declares `api-version: 630` in `plugin.yml` (it was `621`).
+- This version requires UltiTools 6.3.0 or later and declares `api-version: 630` in `plugin.yml` (the released 1.0.0 declared `620`).
   The config-bound scheduling above exists only from UltiTools 6.3.0: an older framework would ignore it and run
   the automatic backup once at load instead of on the interval, so an older framework now refuses to load the
-  module and logs a warning instead. The README's framework minimum and its server and Java badges now say
-  UltiTools 6.3.0+, Paper 1.21+ and Java 21+ (UltiKits/UltiTools-Reborn#544).
-- 本版本需要 UltiTools 6.3.0 或更高版本，并在 `plugin.yml` 中声明 `api-version: 630`（原为 `621`）。上述配置绑定调度
+  module and logs a warning instead. The README's framework minimum now says UltiTools 6.3.0+
+  (UltiKits/UltiTools-Reborn#544).
+- 本版本需要 UltiTools 6.3.0 或更高版本，并在 `plugin.yml` 中声明 `api-version: 630`（已发布的 1.0.0 声明的是 `620`）。上述配置绑定调度
   只在 UltiTools 6.3.0 及以上存在：更早的框架会忽略它，只在加载时执行一次自动备份而不是按间隔执行，因此现在更早的框架会
-  拒绝加载本模块并记录一条警告。README 中的框架最低版本以及服务端与 Java 徽章已改为 UltiTools 6.3.0+、Paper 1.21+、
-  Java 21+（UltiKits/UltiTools-Reborn#544）。
+  拒绝加载本模块并记录一条警告。README 中的框架最低版本已改为 UltiTools 6.3.0+（UltiKits/UltiTools-Reborn#544）。
 
 - `plugin.yml` now declares `identify-string: ultibackup`, the key of this module's entry in the UltiCloud
   catalogue. The framework's update check and `/upm update` skip a module that does not declare it, so this module
diff --git a/pom.xml b/pom.xml
index 0c13edc..a80a2f2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
     
     <groupId>com.ultikits.plugins</groupId>
     <artifactId>UltiBackup</artifactId>
-    <version>1.0.0</version>
+    <version>2.0.0</version>
     <packaging>jar</packaging>
     
     <name>UltiBackup</name>
@@ -45,7 +45,7 @@
         <dependency>
             <groupId>com.ultikits</groupId>
             <artifactId>UltiTools-API</artifactId>
-            <version>6.3.0-SNAPSHOT</version>
+            <version>6.3.0</version>
             <scope>provided</scope>
         </dependency>
         <dependency>