diff --git a/Ems.CollectService.Analysis/BufferAnalysis.cs b/Ems.CollectService.Analysis/BufferAnalysis.cs
index 8aae9eb..7d14cf0 100644
--- a/Ems.CollectService.Analysis/BufferAnalysis.cs
+++ b/Ems.CollectService.Analysis/BufferAnalysis.cs
@@ -565,10 +565,13 @@ namespace Ems.CollectService.Analysis
 
                     recordDnbInstant.zxyg = recordDnbInstant.zxyg == appConfig.virtualValue ? 0 : recordDnbInstant.zxyg;
 
-                    var info = SqlSugarHelper.Db.Insertable<RecordDnbInstant>(recordDnbInstant).ExecuteCommand();
-                    if (info > 0)
+                    if (FIlterDnbInstant(recordDnbInstant))
                     {
-                        logger.Info($"仪表：{recordDnbInstant.monitorId}数据保存成功");
+                        var info = SqlSugarHelper.Db.Insertable<RecordDnbInstant>(recordDnbInstant).ExecuteCommand();
+                        if (info > 0)
+                        {
+                            logger.Info($"仪表：{recordDnbInstant.monitorId}数据保存成功");
+                        }
                     }
                 }
             }catch(Exception ex)
@@ -577,6 +580,60 @@ namespace Ems.CollectService.Analysis
             }        
         }
 
+        /// <summary>
+        /// 过滤数据，与前一条相差超过4000不进行保存
+        /// </summary>
+        /// <param name="dnbInstant"></param>
+        /// <returns></returns>
+        private bool FIlterDnbInstant(RecordDnbInstant dnbInstant)
+        {
+            bool result = true;
+
+            do
+            {
+                RecordDnbInstant lastDnbInstant = SqlSugarHelper.Db.Queryable<RecordDnbInstant>()
+                    .First(x => x.monitorId == dnbInstant.monitorId);
+
+                if (lastDnbInstant == null)
+                {
+                    break;
+                }
+
+                BaseMonitorInfo monitorInfo = SqlSugarHelper.Db.Queryable<BaseMonitorInfo>()
+                    .First(x => x.MonitorId == dnbInstant.monitorId);
+
+                if (monitorInfo == null)
+                {
+                    result = false;
+                    break;
+                }
+
+                if (monitorInfo.Pt == 0 || monitorInfo.Pt == null)
+                {
+                    monitorInfo.Pt = 1;
+                }
+                
+                if (monitorInfo.Ct == 0 || monitorInfo.Ct == null)
+                {
+                    monitorInfo.Ct = 1;
+                }
+
+                decimal? lastZxyg = lastDnbInstant.zxyg * monitorInfo.Pt * monitorInfo.Ct;
+
+                decimal? dnbInstantZxyg = dnbInstant.zxyg * monitorInfo.Pt * monitorInfo.Ct;
+
+                decimal? zxygRes = dnbInstantZxyg - lastZxyg;
+                var appConfigDifferenceValue = appConfig.differenceValue == 0 ? 4000 : appConfig.differenceValue;
+                if ( zxygRes >= appConfigDifferenceValue)
+                {
+                    logger.Info($"仪表：{dnbInstant.monitorId}与上一条数据相差超过4000，不进行保存");
+                    result = false;
+                }
+            } while (false);
+
+            return result;
+        }
+
         /// <summary>
         /// 水表数据
         /// </summary>
diff --git a/Ems.CollectService.Entity/config/AppConfig.cs b/Ems.CollectService.Entity/config/AppConfig.cs
index f8c0170..cbe4431 100644
--- a/Ems.CollectService.Entity/config/AppConfig.cs
+++ b/Ems.CollectService.Entity/config/AppConfig.cs
@@ -58,6 +58,14 @@ namespace Ems.CollectService.Entity.config
             get { return _configuration.GetValue<string>("SystemConfig:virtualFlag") == "是" ? true : false;}
         }
 
+        /// <summary>
+        /// 是否启用点抄功能
+        /// </summary>
+        public bool readMeterFlag
+        {
+            get { return _configuration.GetValue<string>("SystemConfig:readMeterFlag") == "是" ? true : false;}
+        }
+
         /// <summary>
         /// 日志文件路径
         /// </summary>
@@ -73,5 +81,10 @@ namespace Ems.CollectService.Entity.config
         {
             get { return _configuration.GetValue<long>("SystemConfig:deleteLogTimer"); }
         }
+
+        public int differenceValue
+        {
+            get { return _configuration.GetValue<int>("SystemConfig:differenceValue"); }
+        }
     }
 }
diff --git a/Ems.CollectService.TouchSocket/TcpServer.cs b/Ems.CollectService.TouchSocket/TcpServer.cs
index 013c811..d5c5dae 100644
--- a/Ems.CollectService.TouchSocket/TcpServer.cs
+++ b/Ems.CollectService.TouchSocket/TcpServer.cs
@@ -86,7 +86,6 @@ namespace Ems.CollectService.TouchSocket
 
                     }))
                     .Start();//启动
-                    ReadMeterTask();    //点抄指令下发
                 logger.Info($"采集服务启动成功，监听端口：{serverPort}");
             }
             catch(Exception ex)
@@ -172,8 +171,13 @@ namespace Ems.CollectService.TouchSocket
         /// <summary>
 		/// 点抄指令下发
 		/// </summary>
-		private void ReadMeterTask()
+		public void ReadMeterTask(bool isFlag = false)
         {
+            if (isFlag == false)
+            {
+                logger.Info($"未启用点抄仪表功能");
+                return;
+            }
             try
             {
                 var t = Task.Run(async delegate
diff --git a/Ems.CollectService/Program.cs b/Ems.CollectService/Program.cs
index 926b22c..da9bcbb 100644
--- a/Ems.CollectService/Program.cs
+++ b/Ems.CollectService/Program.cs
@@ -23,6 +23,7 @@ namespace Ems.CollectService
             try
             {
                 service.Init(appConfig.listenerPort);
+                service.ReadMeterTask(appConfig.readMeterFlag);
                 //定时删除日志文件夹
                 deleteLogFile.DeleteLogFileTimer();
             }