diff --git a/ruoyi-sip/src/main/java/com/ruoyi/sip/mapper/MaintenanceMapper.java b/ruoyi-sip/src/main/java/com/ruoyi/sip/mapper/MaintenanceMapper.java
index a90a2b00..f88a2214 100644
--- a/ruoyi-sip/src/main/java/com/ruoyi/sip/mapper/MaintenanceMapper.java
+++ b/ruoyi-sip/src/main/java/com/ruoyi/sip/mapper/MaintenanceMapper.java
@@ -3,6 +3,8 @@ package com.ruoyi.sip.mapper;
 import com.ruoyi.sip.domain.MaintenanceRecord;
 import com.ruoyi.sip.domain.MaintenanceRecordsDto;
 
+import java.util.List;
+
 public interface MaintenanceMapper {
-    MaintenanceRecord query(MaintenanceRecordsDto dto);
+    List<MaintenanceRecord> query(MaintenanceRecordsDto dto);
 }
diff --git a/ruoyi-sip/src/main/java/com/ruoyi/sip/service/IMaintenanceService.java b/ruoyi-sip/src/main/java/com/ruoyi/sip/service/IMaintenanceService.java
index b64d11c5..b49e68c4 100644
--- a/ruoyi-sip/src/main/java/com/ruoyi/sip/service/IMaintenanceService.java
+++ b/ruoyi-sip/src/main/java/com/ruoyi/sip/service/IMaintenanceService.java
@@ -3,6 +3,8 @@ package com.ruoyi.sip.service;
 import com.ruoyi.sip.domain.MaintenanceRecord;
 import com.ruoyi.sip.domain.MaintenanceRecordsDto;
 
+import java.util.List;
+
 public interface IMaintenanceService {
-    MaintenanceRecord query(MaintenanceRecordsDto dto);
+    List<MaintenanceRecord> query(MaintenanceRecordsDto dto);
 }
diff --git a/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/MaintenanceServiceImpl.java b/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/MaintenanceServiceImpl.java
index de7def6d..a3c89f65 100644
--- a/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/MaintenanceServiceImpl.java
+++ b/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/MaintenanceServiceImpl.java
@@ -9,6 +9,7 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import javax.annotation.Resource;
+import java.util.List;
 
 /**
  * @author :   ch
@@ -32,7 +33,7 @@ public class MaintenanceServiceImpl implements IMaintenanceService {
 
 
     @Override
-    public MaintenanceRecord query(MaintenanceRecordsDto dto) {
+    public List<MaintenanceRecord> query(MaintenanceRecordsDto dto) {
         return mapper.query(dto);
     }
 }