diff --git a/framework/src/Volo.Abp.Threading/Volo/Abp/Threading/AmbientDataContextAmbientScopeProvider.cs b/framework/src/Volo.Abp.Threading/Volo/Abp/Threading/AmbientDataContextAmbientScopeProvider.cs
index 822361638e..1d83278bf1 100644
--- a/framework/src/Volo.Abp.Threading/Volo/Abp/Threading/AmbientDataContextAmbientScopeProvider.cs
+++ b/framework/src/Volo.Abp.Threading/Volo/Abp/Threading/AmbientDataContextAmbientScopeProvider.cs
@@ -62,8 +62,7 @@ namespace Volo.Abp.Threading
 
         private ScopeItem GetCurrentItem(string contextKey)
         {
-            var objKey = _dataContext.GetData(contextKey) as string;
-            return objKey != null ? ScopeDictionary.GetOrDefault(objKey) : null;
+            return _dataContext.GetData(contextKey) is string objKey ? ScopeDictionary.GetOrDefault(objKey) : null;
         }
 
         private class ScopeItem