diff --git a/abp_io/src/Volo.AbpWebSite.Web/Pages/Templates.cshtml.cs b/abp_io/src/Volo.AbpWebSite.Web/Pages/Templates.cshtml.cs
index 0080189aa2..28b34afd19 100644
--- a/abp_io/src/Volo.AbpWebSite.Web/Pages/Templates.cshtml.cs
+++ b/abp_io/src/Volo.AbpWebSite.Web/Pages/Templates.cshtml.cs
@@ -13,7 +13,7 @@ namespace Volo.AbpWebSite.Pages
     {
         private readonly SolutionBuilder _solutionBuilder;
         private readonly IConfigurationAccessor _configurationAccessor;
-        public const string ProjectNameRegEx = @"^[a-zA-Z_][a-zA-Z0-9_]*(\.[a-zA-Z_][a-zA-Z0-9_]*)?$";
+        public const string ProjectNameRegEx = @"^[a-zA-Z_][a-zA-Z0-9_]*(\.[a-zA-Z_][a-zA-Z0-9_]*)*$";
 
         public TemplatesModel(SolutionBuilder solutionBuilder, IConfigurationAccessor configurationAccessor)
         {