diff --git a/src/main/java/com/xydl/cac/iec/IEDCollectService.java b/src/main/java/com/xydl/cac/iec/IEDCollectService.java
index 3df3e3b..9a87f66 100644
--- a/src/main/java/com/xydl/cac/iec/IEDCollectService.java
+++ b/src/main/java/com/xydl/cac/iec/IEDCollectService.java
@@ -79,7 +79,11 @@ public class IEDCollectService {
         } catch (Exception ex) {
             String err = "61850采集数据异常, ied=" + ied.getName() + ", ip=" + ied.getIp() + ", port=" + ied.getPort();
             log.error(err, ex);
-            _webSocketServer.sendMessage(err, null);
+            String key = ied.getName() + ied.getIp() + ied.getPort();
+            if (!StaticVariable.doneWarnMap.containsKey(key)) {
+                StaticVariable.doneWarnMap.put(key, "1");
+                _webSocketServer.sendMessage(err, null);
+            }
         } finally {
             iecClient.disconnect();
         }
@@ -174,7 +178,7 @@ public class IEDCollectService {
                 }
             }
         } catch (Exception ex) {
-            String err = "61850下载文件异常, ied=" + ied.getName() + ", ip=" + ied.getIp() + ", path=" + config.getPath();
+            String err = "61850采集文件异常, ied=" + ied.getName() + ", ip=" + ied.getIp() + ", path=" + config.getPath();
             log.error(err, ex);
             _webSocketServer.sendMessage(err, null);
         }
diff --git a/src/main/java/com/xydl/cac/model/StaticVariable.java b/src/main/java/com/xydl/cac/model/StaticVariable.java
index 583891f..4738165 100644
--- a/src/main/java/com/xydl/cac/model/StaticVariable.java
+++ b/src/main/java/com/xydl/cac/model/StaticVariable.java
@@ -15,6 +15,7 @@ public class StaticVariable {
     public static HashMap<Integer, IecServer> iecServerMap = new HashMap<>();
     public static HashMap<Integer, HashMap<String, String>> sensorLastDataMap = new HashMap<>();
     public static HashMap<String, String> paramRelationMap = new HashMap<>();
+    public static HashMap<String, String> doneWarnMap = new HashMap<>();
 
     public static HashMap<String, String> unit_Cache = new HashMap<>();
     public static List<ModevType> modevType_Cache = null;
diff --git a/src/main/java/com/xydl/cac/task/CacheTask.java b/src/main/java/com/xydl/cac/task/CacheTask.java
index fe640dd..68b1784 100644
--- a/src/main/java/com/xydl/cac/task/CacheTask.java
+++ b/src/main/java/com/xydl/cac/task/CacheTask.java
@@ -25,6 +25,7 @@ public class CacheTask {
         StaticVariable.jg_Cache = null;
         StaticVariable.zsb_Cache = null;
         StaticVariable.rule_Cache.clear();
+        StaticVariable.doneWarnMap.clear();
     }
 
 
diff --git a/src/main/java/com/xydl/cac/task/I2syncTask.java b/src/main/java/com/xydl/cac/task/I2syncTask.java
index 14d8e6a..cf359b9 100644
--- a/src/main/java/com/xydl/cac/task/I2syncTask.java
+++ b/src/main/java/com/xydl/cac/task/I2syncTask.java
@@ -2,6 +2,7 @@ package com.xydl.cac.task;
 
 import com.xydl.cac.adapter.BusiAdapter;
 import com.xydl.cac.entity.*;
+import com.xydl.cac.model.StaticVariable;
 import com.xydl.cac.repository.I2syncRecordRepository;
 import com.xydl.cac.repository.NSensorRepository;
 import com.xydl.cac.service.DataService;
@@ -63,8 +64,12 @@ public class I2syncTask {
             } catch (Exception e) {
                 log.error("I2syncTask.syncAll error.", e);
                 String str = "i2同步导出数据异常: " + e.getMessage();
-                webSocketServer.sendMessage(str, null);
-                dingTalkPushUtil.pushText(str);
+                String key = "i2";
+                if (!StaticVariable.doneWarnMap.containsKey(key)) {
+                    StaticVariable.doneWarnMap.put(key, "1");
+                    webSocketServer.sendMessage(str, null);
+                    dingTalkPushUtil.pushText(str);
+                }
             }
         }
     }
diff --git a/src/main/java/com/xydl/cac/task/SftpDownloadTask.java b/src/main/java/com/xydl/cac/task/SftpDownloadTask.java
index 67a377f..295a719 100644
--- a/src/main/java/com/xydl/cac/task/SftpDownloadTask.java
+++ b/src/main/java/com/xydl/cac/task/SftpDownloadTask.java
@@ -4,6 +4,7 @@ import com.jcraft.jsch.ChannelSftp;
 import com.xydl.cac.config.BizConfig;
 import com.xydl.cac.entity.*;
 import com.xydl.cac.entity.constants.Constants;
+import com.xydl.cac.model.StaticVariable;
 import com.xydl.cac.service.RemoteConfigService;
 import com.xydl.cac.service.RemoteDownloadService;
 import com.xydl.cac.socket.WebSocketServer;
@@ -51,22 +52,15 @@ public class SftpDownloadTask {
         List<RemoteConfig> configList = configService.listAll();
         if (!CollectionUtils.isEmpty(configList)) {
             log.info("AmpliDownloadTask.downloadAll 开始.");
-            try {
-                for (RemoteConfig config : configList) {
-                    this.downloadServer(config);
-                }
-                log.info("AmpliDownloadTask.downloadAll 结束.");
-            } catch (Exception e) {
-                log.error("AmpliDownloadTask.downloadAll error.", e);
-                String str = "SFTP下载文件异常: " + e.getMessage();
-                webSocketServer.sendMessage(str, null);
-                dingTalkPushUtil.pushText(str);
+            for (RemoteConfig config : configList) {
+                this.downloadServer(config);
             }
+            log.info("AmpliDownloadTask.downloadAll 结束.");
         }
     }
 
     // 下载一个远端服务器
-    private void downloadServer(RemoteConfig config) throws Exception {
+    private void downloadServer(RemoteConfig config) {
         if (shutdown == 1) {
             return;
         }
@@ -88,8 +82,12 @@ public class SftpDownloadTask {
             log.error("AmpliDownloadTask.downloadServer error.", e);
             String str = "SFTP下载文件异常: " + config.getName() + " " +
                     config.getIp() + " " + e.getMessage();
-            webSocketServer.sendMessage(str, null);
-            dingTalkPushUtil.pushText(str);
+            String key = "sftp" + config.getId();
+            if (!StaticVariable.doneWarnMap.containsKey(key)) {
+                StaticVariable.doneWarnMap.put(key, "1");
+                webSocketServer.sendMessage(str, null);
+                dingTalkPushUtil.pushText(str);
+            }
         } finally {
             sftpTool.disconnect();
         }