Merge branch 'master' of http://www.scserverddns.top:13000/sc/SunlightAggregationTerminal

Class/HttpServer.cs

@@ -95,6 +95,8 @@ namespace SunlightAggregationTerminal.Class
                 {
                     Application.Current!.Windows[0].Page!.DisplayAlertAsync("网络错误", ex.Message.ToString(), "是");
                 });
+                await httpclient.CloseAsync();
+                httpclient.Dispose();
             }
         }
 
@@ -145,6 +147,8 @@ namespace SunlightAggregationTerminal.Class
                     {
                         Application.Current!.Windows[0].Page!.DisplayAlertAsync("网络错误", "网络请求超时，请检查网络网络连接", "是");
                     });
+                    await httpclient.CloseAsync();
+                    httpclient.Dispose();
                 }
                 else
                 {
@@ -161,6 +165,8 @@ namespace SunlightAggregationTerminal.Class
                     {                    
                         Application.Current!.Windows[0].Page!.DisplayAlertAsync("访问错误", ex.Message.ToString(), "是");             
                     });
+                    await httpclient.CloseAsync();
+                    httpclient.Dispose();
                 }
                 else
                 {