diff --git a/src/main/java/com/kimgo/wepush/service/HeartBeatService.java b/src/main/java/com/kimgo/wepush/service/HeartBeatService.java
index 15bd018..e2ae063 100644
--- a/src/main/java/com/kimgo/wepush/service/HeartBeatService.java
+++ b/src/main/java/com/kimgo/wepush/service/HeartBeatService.java
@@ -5,16 +5,12 @@ import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
 import com.kimgo.wepush.mapper.DeviceInfoDAOMapper;
 import com.kimgo.wepush.model.DeviceInfo;
 import com.kimgo.wepush.model.DeviceInfoDAO;
-import com.kimgo.wepush.model.QyWeChatAppInfo;
-import com.kimgo.wepush.model.QyWeChatURL;
 import com.kimgo.wepush.response.ServerResponseEntity;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
-import java.sql.Time;
-
 @Service
 public class HeartBeatService {
     private final Logger logger = LoggerFactory.getLogger(HeartBeatService.class);