diff --git a/aspnet-core/modules/oss-management/LINGYUN.Abp.OssManagement.Application.Contracts/LINGYUN/Abp/OssManagement/GetFileMultiTenancyInput.cs b/aspnet-core/modules/oss-management/LINGYUN.Abp.OssManagement.Application.Contracts/LINGYUN/Abp/OssManagement/GetFileMultiTenancyInput.cs
index 8fd5c1573..ca4e84de0 100644
--- a/aspnet-core/modules/oss-management/LINGYUN.Abp.OssManagement.Application.Contracts/LINGYUN/Abp/OssManagement/GetFileMultiTenancyInput.cs
+++ b/aspnet-core/modules/oss-management/LINGYUN.Abp.OssManagement.Application.Contracts/LINGYUN/Abp/OssManagement/GetFileMultiTenancyInput.cs
@@ -12,7 +12,7 @@ public abstract class GetFileMultiTenancyInput
 
     public virtual Guid? GetTenantId(ICurrentTenant currentTenant)
     {
-        if (TenantId.IsNullOrWhiteSpace())
+        if (!TenantId.IsNullOrWhiteSpace())
         {
             if ("g".Equals(TenantId, StringComparison.InvariantCultureIgnoreCase))
             {