chore: 优化工作流文本逻辑

.github/cliff.toml

@@ -54,6 +54,7 @@ body = """
 
 footer = """
 
+[已有 Mirror酱 CDK？点击前往高速下载](https://mirrorchyan.com/zh/projects?rid=DoroHelper&source=doro-gh-release)
 """
 
 [git]

.github/workflows/Compile AHK 2.0 and Release.yml

@@ -176,8 +176,8 @@ jobs:
           name: ${{ steps.get_version.outputs.VERSION_TAG }}
           body: |
             ${{ steps.read_changelog_content.outputs.CHANGELOG_BODY }}
-            ---
-            测试版兼容性较差，请谨慎下载
+            ${{ steps.prerelease_check.outputs.IS_PRERELEASE == 'true' && '---' || '' }}
+            ${{ steps.prerelease_check.outputs.IS_PRERELEASE == 'true' && '测试版兼容性较差，请谨慎下载' || '' }}
           draft: false
           prerelease: ${{ steps.prerelease_check.outputs.IS_PRERELEASE }}
           files: DoroHelper.exe