修改

CallCenterCommon/CallCenter.Utility/Http/HttpMethods.cs

@@ -19,7 +19,7 @@ namespace CallCenter.Utility
         /// <param name="url">URL.</param>
         /// <param name="param">POST的数据</param>
         /// <returns></returns>
-        public static string HttpPost(string url, string param = null)
+        public static string HttpPost(string url, string param = null, string contentType = "application/x-www-form-urlencoded")
         {
             HttpWebRequest request;
 
@@ -36,7 +36,7 @@ namespace CallCenter.Utility
             }
 
             request.Method = "POST";
-            request.ContentType = "application/x-www-form-urlencoded";
+            request.ContentType = contentType;
             request.Accept = "*/*";
             request.Timeout = 15000;
             request.AllowAutoRedirect = false;
@@ -61,9 +61,9 @@ namespace CallCenter.Utility
                     reader.Close();
                 }
             }
-            catch (Exception)
+            catch (Exception ex)
             {
-                throw;
+                LogFactory.GetLogger("HttpPost").Error(ex.ToString());
             }
             finally
             {