diff --git a/modules/blogging/src/Volo.Blogging.Application/Volo/Blogging/Comments/CommentAppService.cs b/modules/blogging/src/Volo.Blogging.Application/Volo/Blogging/Comments/CommentAppService.cs
index cf34edb434..8ceb20427e 100644
--- a/modules/blogging/src/Volo.Blogging.Application/Volo/Blogging/Comments/CommentAppService.cs
+++ b/modules/blogging/src/Volo.Blogging.Application/Volo/Blogging/Comments/CommentAppService.cs
@@ -86,6 +86,8 @@ namespace Volo.Blogging.Comments
 
             comment = await _commentRepository.InsertAsync(comment);
 
+            await CurrentUnitOfWork.SaveChangesAsync();
+
             return ObjectMapper.Map<Comment, CommentWithDetailsDto>(comment);
         }
 
diff --git a/modules/blogging/src/Volo.Blogging.Web/Pages/Blogs/Posts/Detail.cshtml b/modules/blogging/src/Volo.Blogging.Web/Pages/Blogs/Posts/Detail.cshtml
index 2efd9b1d22..bf8c121688 100644
--- a/modules/blogging/src/Volo.Blogging.Web/Pages/Blogs/Posts/Detail.cshtml
+++ b/modules/blogging/src/Volo.Blogging.Web/Pages/Blogs/Posts/Detail.cshtml
@@ -151,7 +151,7 @@
                             }
                             else
                             {
-                                <a abp-button="Primary" class="btn-rounded float-right active" href="/Account/Login?returnUrl=@Request.GetEncodedPathAndQuery()">@L["LeaveComment"]</a>
+                                <a abp-button="Primary" class="btn-rounded float-right active" href="/Account/Login?returnUrl=@System.Web.HttpUtility.UrlEncode(@Request.Path)">@L["LeaveComment"]</a>
                             }
                         </abp-column>
                     </abp-row>
@@ -342,7 +342,7 @@
                 }
                 else
                 {
-                    <a abp-button="Primary" class="btn-rounded float-right active mt-3" href="/Account/Login?returnUrl=@Request.GetEncodedPathAndQuery()">@L["LeaveComment"]</a>
+                    <a abp-button="Primary" class="btn-rounded float-right active mt-3" href="/Account/Login?returnUrl=@System.Web.HttpUtility.UrlEncode(@Request.Path)">@L["LeaveComment"]</a>
                 }
             </div>
         </div>
diff --git a/modules/blogging/src/Volo.Blogging.Web/Pages/Blogs/Posts/new.js b/modules/blogging/src/Volo.Blogging.Web/Pages/Blogs/Posts/new.js
index 3edacd49b5..f5686e64e6 100644
--- a/modules/blogging/src/Volo.Blogging.Web/Pages/Blogs/Posts/new.js
+++ b/modules/blogging/src/Volo.Blogging.Web/Pages/Blogs/Posts/new.js
@@ -118,6 +118,9 @@
             $titleLengthWarning.hide();
         }
 
+        title = title.replace(' &', ' ');
+        title = title.replace('& ', ' ');
+        title = title.replace('&', '');
         title = title.replace(' ', '-');
         title = title.replace(new RegExp(' ', 'g'), '-');
         reflectedChange = true;