diff --git a/src/main/java/com/hisense/monitormanage/controller/Controller.java b/src/main/java/com/hisense/monitormanage/controller/Controller.java
index ba0b5c0..a59fb1f 100644
--- a/src/main/java/com/hisense/monitormanage/controller/Controller.java
+++ b/src/main/java/com/hisense/monitormanage/controller/Controller.java
@@ -571,19 +571,13 @@ public class Controller {
     }
 
     /**
-     * 分页查询全部道路污染数据
-     * @param page
-     * @param pageSize
+     * 查询全部道路污染累计事件数量
      * @return
      */
     @GetMapping("selectRoadData")
-    @ApiOperation("分页查询全部道路污染数据")
-    @ApiImplicitParams({
-            @ApiImplicitParam(name = "page", value = "页码", paramType = "query", dataType = "Integer", required = true),
-            @ApiImplicitParam(name = "pageSize", value = "大小", paramType = "query", dataType = "Integer", required = true)
-    })
-    public Result selectRoadData(Integer page,Integer pageSize){
-        List<RoadData> roadData = roadDataMapper.selectRoadData(page,pageSize);
+    @ApiOperation("查询全部道路污染累计事件数量")
+    public Result selectRoadData(){
+        List<RoadData> roadData = roadDataService.selectRoadData();
         Result success = Result.success(roadData);
         return success;
     }
diff --git a/src/main/java/com/hisense/monitormanage/mapper/RoadDataMapper.java b/src/main/java/com/hisense/monitormanage/mapper/RoadDataMapper.java
index 6451cc2..cb1aade 100644
--- a/src/main/java/com/hisense/monitormanage/mapper/RoadDataMapper.java
+++ b/src/main/java/com/hisense/monitormanage/mapper/RoadDataMapper.java
@@ -17,5 +17,5 @@ import java.util.Map;
 public interface RoadDataMapper extends BaseMapper<RoadData> {
     public void batchSave(List<Map> list);
 
-    List<RoadData> selectRoadData(@Param("page") Integer page, @Param("pageSize") Integer pageSize);
+    /*List<RoadData> selectRoadData(@Param("page") Integer page, @Param("pageSize") Integer pageSize);*/
 }
diff --git a/src/main/java/com/hisense/monitormanage/service/MonitorService.java b/src/main/java/com/hisense/monitormanage/service/MonitorService.java
index 28e3e6d..c5c1653 100644
--- a/src/main/java/com/hisense/monitormanage/service/MonitorService.java
+++ b/src/main/java/com/hisense/monitormanage/service/MonitorService.java
@@ -227,7 +227,8 @@ public class MonitorService {
                     picture.setPicUrl(picUrl);
                     /*picture.setInsertTime(new Date());
                     channelPictureMapper.insert(picture);*/
-                    if (channelCode == null){
+                    ChannelPicture id = channelPictureMapper.selectById(channelCode);
+                    if (id == null){
                         channelPictureMapper.insert(picture);
                     }else {
                         QueryWrapper<ChannelPicture> queryWrapper = new QueryWrapper<>();
@@ -269,7 +270,8 @@ public class MonitorService {
                     picture.setPicUrl(picUrl);
                     /*picture.setInsertTime(new Date());
                     channelPictureMapper.insert(picture);*/
-                    if (channelCode == null){
+                    ChannelPicture id = channelPictureMapper.selectById(channelCode);
+                    if (id == null){
                         channelPictureMapper.insert(picture);
                     }else {
                         QueryWrapper<ChannelPicture> queryWrapper = new QueryWrapper<>();
@@ -311,7 +313,8 @@ public class MonitorService {
                     picture.setPicUrl(picUrl);
                     /*picture.setInsertTime(new Date());
                     channelPictureMapper.insert(picture);*/
-                    if (channelCode == null){
+                    ChannelPicture id = channelPictureMapper.selectById(channelCode);
+                    if (id == null){
                         channelPictureMapper.insert(picture);
                     }else {
                         QueryWrapper<ChannelPicture> queryWrapper = new QueryWrapper<>();
@@ -353,7 +356,8 @@ public class MonitorService {
                     picture.setPicUrl(picUrl);
                     /*picture.setInsertTime(new Date());
                     channelPictureMapper.insert(picture);*/
-                    if (channelCode == null){
+                    ChannelPicture id = channelPictureMapper.selectById(channelCode);
+                    if (id == null){
                         channelPictureMapper.insert(picture);
                     }else {
                         QueryWrapper<ChannelPicture> queryWrapper = new QueryWrapper<>();
@@ -395,7 +399,8 @@ public class MonitorService {
                     picture.setPicUrl(picUrl);
                     /*picture.setInsertTime(new Date());
                     channelPictureMapper.insert(picture);*/
-                    if (channelCode == null){
+                    ChannelPicture id = channelPictureMapper.selectById(channelCode);
+                    if (id == null){
                         channelPictureMapper.insert(picture);
                     }else {
                         QueryWrapper<ChannelPicture> queryWrapper = new QueryWrapper<>();
@@ -437,7 +442,8 @@ public class MonitorService {
                     picture.setPicUrl(picUrl);
                     /*picture.setInsertTime(new Date());
                     channelPictureMapper.insert(picture);*/
-                    if (channelCode == null){
+                    ChannelPicture id = channelPictureMapper.selectById(channelCode);
+                    if (id == null){
                         channelPictureMapper.insert(picture);
                     }else {
                         QueryWrapper<ChannelPicture> queryWrapper = new QueryWrapper<>();
@@ -479,7 +485,8 @@ public class MonitorService {
                     picture.setPicUrl(picUrl);
                     /*picture.setInsertTime(new Date());
                     channelPictureMapper.insert(picture);*/
-                    if (channelCode == null){
+                    ChannelPicture id = channelPictureMapper.selectById(channelCode);
+                    if (id == null){
                         channelPictureMapper.insert(picture);
                     }else {
                         QueryWrapper<ChannelPicture> queryWrapper = new QueryWrapper<>();
@@ -521,7 +528,8 @@ public class MonitorService {
                     picture.setPicUrl(picUrl);
                     /*picture.setInsertTime(new Date());
                     channelPictureMapper.insert(picture);*/
-                    if (channelCode == null){
+                    ChannelPicture id = channelPictureMapper.selectById(channelCode);
+                    if (id == null){
                         channelPictureMapper.insert(picture);
                     }else {
                         QueryWrapper<ChannelPicture> queryWrapper = new QueryWrapper<>();
@@ -562,7 +570,8 @@ public class MonitorService {
                     picture.setPicUrl(picUrl);
                     /*picture.setInsertTime(new Date());
                     channelPictureMapper.insert(picture);*/
-                    if (channelCode == null){
+                    ChannelPicture id = channelPictureMapper.selectById(channelCode);
+                    if (id == null){
                         channelPictureMapper.insert(picture);
                     }else {
                         QueryWrapper<ChannelPicture> queryWrapper = new QueryWrapper<>();
@@ -604,7 +613,8 @@ public class MonitorService {
                     picture.setPicUrl(picUrl);
                     /*picture.setInsertTime(new Date());
                     channelPictureMapper.insert(picture);*/
-                    if (channelCode == null){
+                    ChannelPicture id = channelPictureMapper.selectById(channelCode);
+                    if (id == null){
                         channelPictureMapper.insert(picture);
                     }else {
                         QueryWrapper<ChannelPicture> queryWrapper = new QueryWrapper<>();
diff --git a/src/main/java/com/hisense/monitormanage/service/RoadDataService.java b/src/main/java/com/hisense/monitormanage/service/RoadDataService.java
index 64bdb41..e94cffe 100644
--- a/src/main/java/com/hisense/monitormanage/service/RoadDataService.java
+++ b/src/main/java/com/hisense/monitormanage/service/RoadDataService.java
@@ -90,6 +90,13 @@ public class RoadDataService {
         return list;
     }
 
+    public List<RoadData> selectRoadData(){
+        QueryWrapper<RoadData> queryWrapper = new QueryWrapper<>();
+        queryWrapper.gt("pm10",200);
+        List<RoadData> list = roadDataMapper.selectList(queryWrapper);
+        return list;
+    }
+
     //获取当前日期的时间串，2022-05-08 00:00:00
     private String dateTimeStr(){
         LocalDate localDate = LocalDate.now();
diff --git a/src/main/resources/mapper/RoadDataMapper.xml b/src/main/resources/mapper/RoadDataMapper.xml
index 9f42eb6..843666b 100644
--- a/src/main/resources/mapper/RoadDataMapper.xml
+++ b/src/main/resources/mapper/RoadDataMapper.xml
@@ -16,10 +16,10 @@
         </foreach>
     </insert>
 
-    <select id="selectRoadData" resultType="com.hisense.monitormanage.entity.RoadData">
+<!--    <select id="selectRoadData" resultType="com.hisense.monitormanage.entity.RoadData">
         select * from t_road_data
         <bind name="page" value="(page-1)*pageSize"/>
         limit #{page},#{pageSize}
-    </select>
+    </select>-->
 
 </mapper>
\ No newline at end of file