通讯使用using，避免异常不释放端口问题

Common/util/SMF.cs

@@ -38,11 +38,13 @@ namespace OnlineStore.Common
                 return false;
             try
             {
-                MyWebClient wc = new MyWebClient(10 * 1000);
+                using (MyWebClient wc = new MyWebClient(10 * 1000))
+                {
                     wc.Headers.Add("Content-Type", "application/json;charset=UTF-8");
                     var resp = wc.UploadData(server + api, Encoding.UTF8.GetBytes(json));
                     smfResult = JsonHelper.DeserializeJsonToObject<SmfResult>(Encoding.UTF8.GetString(resp));
                 }
+            }
             catch (Exception e)
             {
                 LogUtil.info($"UploadJsonData:{api}" + e.ToString());
@@ -54,12 +56,15 @@ namespace OnlineStore.Common
             string api = "/api/translation/resource?type=" + DeviceType;
             try
             {
-                MyWebClient wc = new MyWebClient(10 * 1000);
+                using (MyWebClient wc = new MyWebClient(10 * 1000))
+                {
                     wc.Headers.Add("Content-Type", "application/json;charset=UTF-8");
                     var resp = wc.DownloadData(server + api);
                     var jsondata = Encoding.UTF8.GetString(resp);
                     return JsonConvert.DeserializeObject<List<SmfLangData>>(jsondata);
                 }
+
+            }
             catch (Exception e)
             {
                 LogUtil.info($"DownloadLngData:{api}" + e.ToString());

DeviceLibrary/DeviceLibrary/VisionHelper.cs

@@ -80,13 +80,16 @@ namespace DeviceLibrary
                     {
                         num--;
                         Thread.Sleep(1000);
-                        MyWebClient myWebClient = new MyWebClient(webclienttimeout);
+                        using (MyWebClient myWebClient = new MyWebClient(webclienttimeout))
+                        {
                             string text2 = myWebClient.DownloadString(visionUrl + "/alive");
                             if (text2.Trim() == "\"1\"")
                             {
                                 return;
                             }
                         }
+
+                    }
                     throw new Exception("算法服务器文件打开失败");
                 }
             }catch(Exception ex)