diff --git a/iot-common/iot-third/src/main/java/com/qiuguo/iot/third/enums/ActionPartSpeechEnum.java b/iot-common/iot-third/src/main/java/com/qiuguo/iot/third/enums/ActionPartSpeechEnum.java
index 42a9602..8bde375 100644
--- a/iot-common/iot-third/src/main/java/com/qiuguo/iot/third/enums/ActionPartSpeechEnum.java
+++ b/iot-common/iot-third/src/main/java/com/qiuguo/iot/third/enums/ActionPartSpeechEnum.java
@@ -522,11 +522,17 @@ public enum ActionPartSpeechEnum implements IChinesePartSpeech{
             }else{
                 action.getTime().setTime(key, false);
             }
-            int index = action.getNoTimeAsk().indexOf(key);
-            String v = action.getNoTimeAsk().substring(0, index);
-            v += action.getNoTimeAsk().substring(index + key.length());
-            //action.setNoTimeAsk(action.getNoTimeAsk().substring(action.getNoTimeAsk().indexOf(key) + key.length()));
-            action.setNoTimeAsk(v);
+            if(StringUtils.isNotEmpty(action.getNoTimeAsk())){
+                int index = action.getNoTimeAsk().indexOf(key);
+                if(index >= 0){
+                    String v = action.getNoTimeAsk().substring(0, index);
+                    v += action.getNoTimeAsk().substring(index + key.length());
+                    //action.setNoTimeAsk(action.getNoTimeAsk().substring(action.getNoTimeAsk().indexOf(key) + key.length()));
+                    action.setNoTimeAsk(v);
+                }
+
+            }
+
             return action;
         }
     },//LAC TIME
diff --git a/iot-common/iot-third/src/main/java/com/qiuguo/iot/third/service/TongYiXinChenService.java b/iot-common/iot-third/src/main/java/com/qiuguo/iot/third/service/TongYiXinChenService.java
index 7897876..a031aad 100644
--- a/iot-common/iot-third/src/main/java/com/qiuguo/iot/third/service/TongYiXinChenService.java
+++ b/iot-common/iot-third/src/main/java/com/qiuguo/iot/third/service/TongYiXinChenService.java
@@ -20,6 +20,7 @@ import org.springframework.util.CollectionUtils;
 import reactor.core.publisher.Mono;
 import reactor.core.scheduler.Schedulers;
 
+import javax.annotation.PreDestroy;
 import javax.annotation.Resource;
 import java.time.Duration;
 import java.util.*;
@@ -38,10 +39,18 @@ public class TongYiXinChenService implements ITongYi{
     /**
      * 超过该时间还未发送消息的将被剔除
      */
-    static Long TIME_OUT = 60000L;
+    static Long TIME_OUT = 600000L;
+
+    Boolean runClean = true;
 
     public TongYiXinChenService(){
-        //checkOutTime().subscribeOn(Schedulers.newSingle("tongyi-xinchen-clean")).subscribe();
+        Mono.just(true).subscribeOn(Schedulers.newSingle("tongyi-xinchen-clean")).map(
+                b -> {
+                    checkOutTime();
+                    return b;
+                }
+
+        ).subscribe();
     }
 
     @Override
@@ -62,10 +71,10 @@ public class TongYiXinChenService implements ITongYi{
         });
     }
 
-    private Mono<Void> checkOutTime(){
+    private void checkOutTime(){
         log.info("开启清理内存数据任务");
         List<String> keys = new ArrayList<>();
-        while(true){
+        while(runClean){
             for (String key: qianwenGroup.keySet()
             ) {
                 AliYunXingChen aliYunXingChen = qianwenGroup.get(key);
@@ -74,7 +83,10 @@ public class TongYiXinChenService implements ITongYi{
                     keys.add(key);
                 }
             }
-            log.info("需要清除内存中：{}数据", keys.size());
+            if(keys.size() > 0){
+                log.info("内存数据量{}，需要清除内存中：{}数据", qianwenGroup.size(), keys.size());
+            }
+
             for(String key: keys){
                 qianwenGroup.remove(key);
             }
@@ -85,6 +97,10 @@ public class TongYiXinChenService implements ITongYi{
                 log.info("定时清理内存中数据异常{}", e);
             }
         }
+    }
 
+    @PreDestroy
+    public void stopRunClean(){
+        runClean = false;
     }
 }