diff --git a/abp_io/src/Volo.AbpWebSite.Web/Pages/Templates.cshtml b/abp_io/src/Volo.AbpWebSite.Web/Pages/Templates.cshtml
index b98dd60d67..d7bc5aa603 100644
--- a/abp_io/src/Volo.AbpWebSite.Web/Pages/Templates.cshtml
+++ b/abp_io/src/Volo.AbpWebSite.Web/Pages/Templates.cshtml
@@ -1,5 +1,6 @@
 @page
 @using Volo.AbpWebSite
+@using Volo.AbpWebSite.Pages
 @model Volo.AbpWebSite.Pages.TemplatesModel
 @{
     ViewBag.PageTitle = "Get Started";
@@ -24,7 +25,7 @@
 
                     <div class="form-group">
                         <label for="CompanyAndProjectName">Project Name (as <i>YourProjectName</i> or <i>YourCompanyName.YourProjectName</i>):</label>
-                        <input class="form-control" name="CompanyAndProjectName" value="@Model.CompanyAndProjectName">
+                        <input class="form-control" name="CompanyAndProjectName" id="CompanyAndProjectName" value="@Model.CompanyAndProjectName" data-regex="^@(TemplatesModel.ProjectNameRegEx)?$">
                     </div>
 
                     <div class="form-group">
@@ -77,4 +78,5 @@
         }
 
     </div>
-</div>
\ No newline at end of file
+</div>
+<input hidden id="ProjectRegex" value="@TemplatesModel.ProjectNameRegEx"/>
\ No newline at end of file
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 7e4228998c..0080189aa2 100644
--- a/abp_io/src/Volo.AbpWebSite.Web/Pages/Templates.cshtml.cs
+++ b/abp_io/src/Volo.AbpWebSite.Web/Pages/Templates.cshtml.cs
@@ -13,6 +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 TemplatesModel(SolutionBuilder solutionBuilder, IConfigurationAccessor configurationAccessor)
         {
diff --git a/abp_io/src/Volo.AbpWebSite.Web/Pages/templates.js b/abp_io/src/Volo.AbpWebSite.Web/Pages/templates.js
index a071be578b..568e7189c1 100644
--- a/abp_io/src/Volo.AbpWebSite.Web/Pages/templates.js
+++ b/abp_io/src/Volo.AbpWebSite.Web/Pages/templates.js
@@ -7,5 +7,15 @@
                 $('#DatabaseProviderFormGroup').hide('fast');
             }
         });
+
+        $("form").submit(function (event) {
+            var regex = $("#ProjectRegex").val();
+            var patt = new RegExp(regex);
+            var res = patt.test($("#CompanyAndProjectName").val());
+            if (!res) {
+                abp.message.error("Invalid Project Name.","");
+                event.preventDefault();
+            }
+        });
     });
 })(jQuery);
\ No newline at end of file