*

src/Masuit.MyBlogs.Core/Controllers/PostController.cs

@@ -80,7 +80,7 @@ namespace Masuit.MyBlogs.Core.Controllers
             }
 
             ViewBag.Ads = AdsService.GetByWeightedPrice(AdvertiseType.InPage, Request.Location(), post.CategoryId);
-            var regex = SearchEngine.LuceneIndexSearcher.CutKeywords(string.IsNullOrWhiteSpace(post.Keyword + post.Label) ? post.Title : post.Keyword + post.Label).Join("|");
+            var regex = SearchEngine.LuceneIndexSearcher.CutKeywords(string.IsNullOrWhiteSpace(post.Keyword + post.Label) ? post.Title : post.Keyword + post.Label).Select(Regex.Escape).Join("|");
             var related = await PostService.GetQuery(p => p.Id != id && (p.LimitMode ?? 0) == RegionLimitMode.All && Regex.IsMatch(p.Title + (p.Keyword ?? "") + (p.Label ?? ""), regex), p => p.AverageViewCount, false).Take(10).Select(p => new { p.Id, p.Title }).Cacheable().ToDictionaryAsync(p => p.Id, p => p.Title);
             ViewBag.Related = related;
             post.ModifyDate = post.ModifyDate.ToTimeZone(HttpContext.Session.Get<string>(SessionKey.TimeZone));