diff --git a/src/Volo.Abp/Volo/Abp/Uow/ChildUnitOfWork.cs b/src/Volo.Abp/Volo/Abp/Uow/ChildUnitOfWork.cs
index db4ae98b9c..508017f39c 100644
--- a/src/Volo.Abp/Volo/Abp/Uow/ChildUnitOfWork.cs
+++ b/src/Volo.Abp/Volo/Abp/Uow/ChildUnitOfWork.cs
@@ -70,14 +70,14 @@ namespace Volo.Abp.Uow
             return Task.CompletedTask;
         }
         
-        public IDatabaseApi FindDatabaseApi(string id)
+        public IDatabaseApi FindDatabaseApi(string key)
         {
-            return _parent.FindDatabaseApi(id);
+            return _parent.FindDatabaseApi(key);
         }
 
-        public IDatabaseApi GetOrAddDatabaseApi(string id, Func<IDatabaseApi> factory)
+        public IDatabaseApi GetOrAddDatabaseApi(string key, Func<IDatabaseApi> factory)
         {
-            return _parent.GetOrAddDatabaseApi(id, factory);
+            return _parent.GetOrAddDatabaseApi(key, factory);
         }
         
         public void Dispose()
diff --git a/src/Volo.Abp/Volo/Abp/Uow/IDatabaseApiContainer.cs b/src/Volo.Abp/Volo/Abp/Uow/IDatabaseApiContainer.cs
index c24fe41797..d896574a9a 100644
--- a/src/Volo.Abp/Volo/Abp/Uow/IDatabaseApiContainer.cs
+++ b/src/Volo.Abp/Volo/Abp/Uow/IDatabaseApiContainer.cs
@@ -7,9 +7,9 @@ namespace Volo.Abp.Uow
     public interface IDatabaseApiContainer : IServiceProviderAccessor
     {
         [CanBeNull]
-        IDatabaseApi FindDatabaseApi([NotNull] string id);
+        IDatabaseApi FindDatabaseApi([NotNull] string key);
 
         [NotNull]
-        IDatabaseApi GetOrAddDatabaseApi([NotNull] string id, [NotNull] Func<IDatabaseApi> factory);
+        IDatabaseApi GetOrAddDatabaseApi([NotNull] string key, [NotNull] Func<IDatabaseApi> factory);
     }
 }
\ No newline at end of file
diff --git a/src/Volo.Abp/Volo/Abp/Uow/UnitOfWork.cs b/src/Volo.Abp/Volo/Abp/Uow/UnitOfWork.cs
index 961129528e..5ed1014293 100644
--- a/src/Volo.Abp/Volo/Abp/Uow/UnitOfWork.cs
+++ b/src/Volo.Abp/Volo/Abp/Uow/UnitOfWork.cs
@@ -90,17 +90,17 @@ namespace Volo.Abp.Uow
             }
         }
 
-        public IDatabaseApi FindDatabaseApi(string id)
+        public IDatabaseApi FindDatabaseApi(string key)
         {
-            return _databaseApis.GetOrDefault(id);
+            return _databaseApis.GetOrDefault(key);
         }
 
-        public IDatabaseApi GetOrAddDatabaseApi(string id, Func<IDatabaseApi> factory)
+        public IDatabaseApi GetOrAddDatabaseApi(string key, Func<IDatabaseApi> factory)
         {
-            Check.NotNull(id, nameof(id));
+            Check.NotNull(key, nameof(key));
             Check.NotNull(factory, nameof(factory));
 
-            return _databaseApis.GetOrAdd(id, factory);
+            return _databaseApis.GetOrAdd(key, factory);
         }
 
         protected virtual void OnCompleted()