Blog: added redirect if blog name is null

modules/blogging/src/Volo.Blogging.Application/Volo/Blogging/Blogs/BlogAppService.cs

@@ -33,11 +33,6 @@ namespace Volo.Blogging.Blogs
 
             var blog = await BlogRepository.FindByShortNameAsync(shortName);
 
-            if (blog == null)
-            {
-                throw new EntityNotFoundException(typeof(Blog), shortName);
-            }
-
             return ObjectMapper.Map<Blog, BlogDto>(blog);
         }
 

modules/blogging/src/Volo.Blogging.Web/Pages/Blogs/Posts/Index.cshtml.cs

@@ -44,6 +44,12 @@ namespace Volo.Blogging.Pages.Blog.Posts
             }
 
             Blog = await _blogAppService.GetByShortNameAsync(BlogShortName);
+            
+            if (Blog == null)
+            {
+               return RedirectToPage("/Blogs/Index");
+            }
+            
             Posts = (await _postAppService.GetListByBlogIdAndTagNameAsync(Blog.Id, TagName)).Items;
             PopularTags = (await _tagAppService.GetPopularTagsAsync(Blog.Id, new GetPopularTagsInput {ResultCount = 10, MinimumPostCount = 2}));