diff --git a/MECF.Framework.Common/Aitex/Core/RT/DataCenter/DATA.cs b/MECF.Framework.Common/Aitex/Core/RT/DataCenter/DATA.cs
index 0745290..4c42e63 100644
--- a/MECF.Framework.Common/Aitex/Core/RT/DataCenter/DATA.cs
+++ b/MECF.Framework.Common/Aitex/Core/RT/DataCenter/DATA.cs
@@ -85,45 +85,5 @@ namespace Aitex.Core.RT.DataCenter
 		{
 			return (InnerDataManager == null) ? null : InnerDataManager.GetDBRecorderList();
 		}
-
-        #region Maintain
-
-        /// <summary>
-        /// Maintain配置项被修改时 清空注册内容重新注册
-        /// </summary>
-        public static void MaintainClearSubscribe()
-        {
-            if (InnerDataManager != null)
-            {
-                InnerDataManager.MaintainClearSubscribe();
-            }
-        }
-
-        /// <summary>
-        /// Maintain专用
-        /// </summary>
-        /// <param name="moduleKey"></param>
-        /// <param name="dataItem"></param>
-        /// <exception cref="ArgumentNullException"></exception>
-        /// <exception cref="Exception"></exception>
-        public static void MaintainSubscribe(string moduleKey, DataItem<object> dataItem)
-        {
-            if (InnerDataManager != null)
-            {
-                InnerDataManager.MaintainSubscribe(moduleKey, dataItem);
-            }
-        }
-
-        /// <summary>
-        /// Maintain专用
-        /// </summary>
-        /// <param name="keys"></param>
-        /// <returns></returns>
-        public static Dictionary<string, object> MaintainPollData(IEnumerable<string> keys)
-        {
-            return (InnerDataManager == null) ? null : InnerDataManager.MaintainPollData(keys);
-        }
-
-        #endregion
     }
 }
diff --git a/MECF.Framework.Common/Aitex/Core/RT/DataCenter/DataManager.cs b/MECF.Framework.Common/Aitex/Core/RT/DataCenter/DataManager.cs
index 2094977..75803fd 100644
--- a/MECF.Framework.Common/Aitex/Core/RT/DataCenter/DataManager.cs
+++ b/MECF.Framework.Common/Aitex/Core/RT/DataCenter/DataManager.cs
@@ -268,61 +268,5 @@ namespace Aitex.Core.RT.DataCenter
 			}
 			return dictionary;
 		}
-
-        #region Maintain
-
-        /// <summary>
-        /// Maintain涓撶敤
-        /// </summary>
-        /// <param name="key"></param>
-        /// <param name="dataItem"></param>
-        /// <exception cref="ArgumentNullException"></exception>
-        /// <exception cref="Exception"></exception>
-        public void MaintainSubscribe(string key, DataItem<object> dataItem)
-        {
-            if (string.IsNullOrWhiteSpace(key))
-            {
-                throw new ArgumentNullException("key");
-            }
-            if (_maintainkeyValueMap.ContainsKey(key))
-            {
-                throw new Exception($"Duplicated Key:{key}");
-            }
-            if (dataItem == null)
-            {
-                throw new ArgumentNullException("dataItem");
-            }
-            _maintainkeyValueMap.TryAdd(key, dataItem);
-
-        }
-
-        /// <summary>
-        /// Maintain閰嶇疆椤硅淇敼鏃� 娓呯┖娉ㄥ唽鍐呭閲嶆柊娉ㄥ唽
-        /// </summary>
-        public void MaintainClearSubscribe()
-        {
-            _maintainkeyValueMap.Clear();
-        }
-
-        /// <summary>
-        /// Maintain 鎺ㄩ�佸凡璁㈤槄鐨勬暟鎹�
-        /// </summary>
-        /// <param name="keys"></param>
-        /// <returns></returns>
-        public Dictionary<string, object> MaintainPollData(IEnumerable<string> keys)
-        {
-            Dictionary<string, object> dictionary = new Dictionary<string, object>();
-            foreach (string key in keys)
-            {
-                if (_maintainkeyValueMap.ContainsKey(key))
-                {
-                    dictionary[key] = _maintainkeyValueMap[key].Value;
-                }
-            }
-            return dictionary;
-        }
-
-        #endregion
-
     }
 }
diff --git a/MECF.Framework.Common/Aitex/Core/RT/DataCenter/ICommonData.cs b/MECF.Framework.Common/Aitex/Core/RT/DataCenter/ICommonData.cs
index 049db55..1d3d2a8 100644
--- a/MECF.Framework.Common/Aitex/Core/RT/DataCenter/ICommonData.cs
+++ b/MECF.Framework.Common/Aitex/Core/RT/DataCenter/ICommonData.cs
@@ -19,28 +19,5 @@ namespace Aitex.Core.RT.DataCenter
 		void Traverse(object instance, string keyPrefix);
 
 		SortedDictionary<string, Func<object>> GetDBRecorderList();
-
-        #region Maintain
-
-        /// <summary>
-        /// Maintain配置项被修改时 清空注册内容重新注册
-        /// </summary>
-        void MaintainClearSubscribe();
-
-        /// <summary>
-        /// Maintain专用,订阅数据
-        /// </summary>
-        /// <param name="key"></param>
-        /// <param name="dataItem"></param>
-        void MaintainSubscribe(string key, DataItem<object> dataItem);
-
-        /// <summary>
-		/// Maintain专用,推送数据
-		/// </summary>
-		/// <param name="keys"></param>
-		/// <returns></returns>
-        Dictionary<string, object> MaintainPollData(IEnumerable<string> keys);
-
-        #endregion
     }
 }
diff --git a/MECF.Framework.Common/MECF/Framework/Common/DataCenter/IQueryDataService.cs b/MECF.Framework.Common/MECF/Framework/Common/DataCenter/IQueryDataService.cs
index ac957c3..bb6abde 100644
--- a/MECF.Framework.Common/MECF/Framework/Common/DataCenter/IQueryDataService.cs
+++ b/MECF.Framework.Common/MECF/Framework/Common/DataCenter/IQueryDataService.cs
@@ -145,20 +145,6 @@ namespace MECF.Framework.Common.DataCenter
     [ServiceKnownType(typeof(ConfigChangedInfo))]
     [ServiceKnownType(typeof(List<ConfigChangedInfo>))]
     [ServiceKnownType(typeof(List<ProcessDeviceItem>))]
-    [ServiceKnownType(typeof(MaintainerItem))]
-    [ServiceKnownType(typeof(TimeObserver))]
-    [ServiceKnownType(typeof(PlanMaintainer))]
-    [ServiceKnownType(typeof(PMMaintainer))]
-    [ServiceKnownType(typeof(PMThicknessMaintainer))]
-    [ServiceKnownType(typeof(IObserver))]
-    [ServiceKnownType(typeof(MaintainerItemCollection))]
-    [ServiceKnownType(typeof(List<PlanMaintainer>))]
-    [ServiceKnownType(typeof(List<PMMaintainer>))]
-    [ServiceKnownType(typeof(List<PMThicknessMaintainer>))]
-    [ServiceKnownType(typeof(List<MaintainanceItem>))]
-    [ServiceKnownType(typeof(List<IObserver>))]
-    [ServiceKnownType(typeof(TimeUnit))]
-
 
     public interface IQueryDataService
 	{
@@ -276,17 +262,5 @@ namespace MECF.Framework.Common.DataCenter
 		[OperationContract]
 		void SetTypedConfigContent(string type, string contentPath, string content);
 
-        #region Maintain
-
-        [OperationContract]
-        List<IObserver> GetAllMaintainerList();
-
-        [OperationContract]
-        List<MaintainanceItem> GetMaintainanceConfigList();
-
-        [OperationContract]
-        Dictionary<string, object> MaintainPollData(IEnumerable<string> keys);
-
-        #endregion
     }
 }
diff --git a/MECF.Framework.Common/MECF/Framework/Common/DataCenter/QueryDataService.cs b/MECF.Framework.Common/MECF/Framework/Common/DataCenter/QueryDataService.cs
index 5c631c9..2345535 100644
--- a/MECF.Framework.Common/MECF/Framework/Common/DataCenter/QueryDataService.cs
+++ b/MECF.Framework.Common/MECF/Framework/Common/DataCenter/QueryDataService.cs
@@ -284,32 +284,5 @@ namespace MECF.Framework.Common.DataCenter
 		{
 			Singleton<TypedConfigManager>.Instance.SetTypedConfigContent(type, contentPath, content);
 		}
-
-        #region Maintain
-
-        public List<IObserver> GetAllMaintainerList()
-        {
-            return MAINTAIN.GetAllMaintainerList();
-        }
-
-        public List<MaintainanceItem> GetMaintainanceConfigList()
-        {
-            return MAINTAIN.GetMaintainanceConfigList();
-        }
-
-        public Dictionary<string, object> MaintainPollData(IEnumerable<string> keys)
-        {
-            try
-            {
-                return DATA.MaintainPollData(keys);
-            }
-            catch (Exception ex)
-            {
-                LOG.Write(ex);
-            }
-            return null;
-        }
-
-        #endregion
     }
 }
diff --git a/MECF.Framework.Common/MECF/Framework/Common/DataCenter/QueryDataServiceClient.cs b/MECF.Framework.Common/MECF/Framework/Common/DataCenter/QueryDataServiceClient.cs
index 1a06b98..911d4ba 100644
--- a/MECF.Framework.Common/MECF/Framework/Common/DataCenter/QueryDataServiceClient.cs
+++ b/MECF.Framework.Common/MECF/Framework/Common/DataCenter/QueryDataServiceClient.cs
@@ -396,38 +396,5 @@ namespace MECF.Framework.Common.DataCenter
 			return result;
 		}
 
-        #region Maintain
-
-        public List<IObserver> GetAllMaintainerList()
-        {
-            List<IObserver> result = null;
-            Invoke(delegate (IQueryDataService svc)
-            {
-                result = svc.GetAllMaintainerList();
-            });
-            return result;
-        }
-
-        public List<MaintainanceItem> GetMaintainanceConfigList()
-        {
-            List<MaintainanceItem> result = null;
-            Invoke(delegate (IQueryDataService svc)
-            {
-                result = svc.GetMaintainanceConfigList();
-            });
-            return result;
-        }
-
-        public Dictionary<string, object> MaintainPollData(IEnumerable<string> keys)
-        {
-            Dictionary<string, object> result = null;
-            Invoke(delegate (IQueryDataService svc)
-            {
-                result = svc.MaintainPollData(keys);
-            });
-            return result;
-        }
-
-        #endregion
     }
 }