diff --git a/hbt-safety-supervision/hbt-safety-supervision-biz/src/main/java/com/hbt/safety/supervision/service/impl/HiddenDangerServiceImpl.java b/hbt-safety-supervision/hbt-safety-supervision-biz/src/main/java/com/hbt/safety/supervision/service/impl/HiddenDangerServiceImpl.java
index 147c9c1..7c05b15 100644
--- a/hbt-safety-supervision/hbt-safety-supervision-biz/src/main/java/com/hbt/safety/supervision/service/impl/HiddenDangerServiceImpl.java
+++ b/hbt-safety-supervision/hbt-safety-supervision-biz/src/main/java/com/hbt/safety/supervision/service/impl/HiddenDangerServiceImpl.java
@@ -1,9 +1,6 @@
 package com.hbt.safety.supervision.service.impl;
 
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 import java.util.stream.Collectors;
 
 import com.alibaba.fastjson.JSONObject;