diff --git a/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/server/HBCheckTask.java b/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/server/HBCheckTask.java
index 98448324..db8353aa 100644
--- a/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/server/HBCheckTask.java
+++ b/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/server/HBCheckTask.java
@@ -4,8 +4,8 @@ import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Component;
 
 import java.util.Calendar;
-import java.util.List;
 import java.util.Map;
+import java.util.Set;
 
 import static com.xhpc.common.data.redis.StaticBeanUtil.REDIS;
 import static com.xhpc.common.dto.ConnectorStatusInfo.OFF_LINE;
@@ -19,9 +19,9 @@ public class HBCheckTask {
     protected void run() {
 
         String svcSrvKey = "svcSrvGuns:".concat(getLocalIPAndPort());
-        List<String> cacheGunkeyList = REDIS.getCacheList(svcSrvKey);
+        Set<String> cacheGunkeySet = REDIS.getCacheSet(svcSrvKey);
         Long now = Calendar.getInstance().getTimeInMillis();
-        for (String gunkey : cacheGunkeyList) {
+        for (String gunkey : cacheGunkeySet) {
             Map<String, Object> cacheGun = REDIS.getCacheMap(gunkey);
             Long hbtime = (Long) cacheGun.get("hbtime");
             hbtime = hbtime == null ? 0 : hbtime;