diff --git a/framework/Volo.Abp.sln b/framework/Volo.Abp.sln
index 46fc917ae7..2c3a970281 100644
--- a/framework/Volo.Abp.sln
+++ b/framework/Volo.Abp.sln
@@ -266,6 +266,7 @@ EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Volo.Abp.Quartz", "src\Volo.Abp.Quartz\Volo.Abp.Quartz.csproj", "{9467418B-4A9B-4093-9B31-01A9DEF5B372}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Volo.Abp.BackgroundWorkers.Quartz", "src\Volo.Abp.BackgroundWorkers.Quartz\Volo.Abp.BackgroundWorkers.Quartz.csproj", "{CD5770BB-2E0C-4B3C-80E0-21B8CC43DBA9}"
+EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared.Demo", "src\Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared.Demo\Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared.Demo.csproj", "{29E42ADB-85F8-44AE-A9B0-078F84C1B866}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Volo.Abp.AspNetCore.Mvc.UI.Theme.Basic.Demo", "test\Volo.Abp.AspNetCore.Mvc.UI.Theme.Basic.Demo\Volo.Abp.AspNetCore.Mvc.UI.Theme.Basic.Demo.csproj", "{0C498CF2-D052-4BF7-AD35-509A90F69707}"