diff --git a/EasyOC.build/Commons.props b/EasyOC.build/Commons.props
index 9d7bfe8..471bc8a 100644
--- a/EasyOC.build/Commons.props
+++ b/EasyOC.build/Commons.props
@@ -3,7 +3,7 @@
 	<PropertyGroup>
 		<!-- after 1.0.3 version depend by tags v*   -->
 		<VersionPrefix>1.0.7</VersionPrefix>
-		<OrchardCoreVersion>1.6.0</OrchardCoreVersion>
+		<OrchardCoreVersion>1.7.0-preview-17520</OrchardCoreVersion>
 		<!--<VersionSuffix>preview</VersionSuffix>-->
 		<PackageTags>OrcardCore,EasyOC</PackageTags>
 		<VersionSuffix Condition="'$(VersionSuffix)'!='' AND '$(BuildNumber)' != ''">$(VersionSuffix)</VersionSuffix>
diff --git a/src/Modules/EasyOC.Users/Controllers/ControllerExtensions.cs b/src/Modules/EasyOC.Users/Controllers/ControllerExtensions.cs
index ddc37b8..c3dca71 100644
--- a/src/Modules/EasyOC.Users/Controllers/ControllerExtensions.cs
+++ b/src/Modules/EasyOC.Users/Controllers/ControllerExtensions.cs
@@ -38,7 +38,7 @@ public static async Task<bool> SendEmailAsync(this Controller controller, string
                 To = email,
                 Subject = subject,
                 Body = body,
-                IsBodyHtml = true
+                IsHtmlBody = true
             };
 
             var result = await smtpService.SendAsync(message);