diff --git a/web/src/main/java/com/zhehekeji/web/service/CameraService.java b/web/src/main/java/com/zhehekeji/web/service/CameraService.java
index 42989be..27759c4 100644
--- a/web/src/main/java/com/zhehekeji/web/service/CameraService.java
+++ b/web/src/main/java/com/zhehekeji/web/service/CameraService.java
@@ -173,7 +173,7 @@ public class CameraService {
 
         List<Camera> cameras = cameraMapper.selectByMap(new HashMap<>());
         return cameras.stream().filter(camera -> {
-            int index = Integer.valueOf(camera.getName().substring(2, 4));
+            int index = Integer.parseInt(camera.getName().substring(2, 4));
             boolean b = index >= 1 && index <= 5;
             return b;
         }).collect(Collectors.toList());
@@ -183,7 +183,7 @@ public class CameraService {
 
         List<Camera> cameras = cameraMapper.selectByMap(new HashMap<>());
         return cameras.stream().filter(camera -> {
-            int index = Integer.valueOf(camera.getName().substring(2, 4));
+            int index = Integer.parseInt(camera.getName().substring(2, 4));
             boolean b = index >= 6 && index <= 10;
             return b;
         }).collect(Collectors.toList());
@@ -193,7 +193,7 @@ public class CameraService {
 
         List<Camera> cameras = cameraMapper.selectByMap(new HashMap<>());
         return cameras.stream().filter(camera -> {
-            int index = Integer.valueOf(camera.getName().substring(2, 4));
+            int index = Integer.parseInt(camera.getName().substring(2, 4));
             boolean b = index >= 11 && index <= 15;
             return b;
         }).collect(Collectors.toList());