优化代码

src/Hotline.Api/Controllers/KnowledgeController.cs

@@ -212,9 +212,8 @@ namespace Hotline.Api.Controllers
                 await _knowledgeRepository.UpdateAsync(know, HttpContext.RequestAborted);
             }
             else
-            {
                 throw UserFriendlyException.SameMessage("知识下架失败");
-            }
+
         }
 
         /// <summary>
@@ -235,9 +234,7 @@ namespace Hotline.Api.Controllers
                 await _knowledgeRepository.UpdateAsync(know, HttpContext.RequestAborted);
             }
             else
-            {
                 throw UserFriendlyException.SameMessage("知识上架失败");
-            }
         }
 
         #endregion