diff --git a/NewLife.Core/NewLife.Core.csproj b/NewLife.Core/NewLife.Core.csproj
index 2b06364..989d7fe 100644
--- a/NewLife.Core/NewLife.Core.csproj
+++ b/NewLife.Core/NewLife.Core.csproj
@@ -29,7 +29,7 @@
<RepositoryUrl>https://github.com/NewLifeX/X</RepositoryUrl>
<RepositoryType>git</RepositoryType>
<PackageTags>新生命团队;X组件;NewLife;$(AssemblyName)</PackageTags>
- <PackageReleaseNotes>优化Json序列化,支持DateOnly/TimeOnly,支持带时区的时间序列化</PackageReleaseNotes>
+ <PackageReleaseNotes>使用IJsonHost改进Json序列化</PackageReleaseNotes>
<PackageLicenseExpression>MIT</PackageLicenseExpression>
<PublishRepositoryUrl>true</PublishRepositoryUrl>
<EmbedUntrackedSources>true</EmbedUntrackedSources>