diff --git a/web/src/main/java/com/zhehekeji/web/lib/hik/HikCameraControlModuleImpl.java b/web/src/main/java/com/zhehekeji/web/lib/hik/HikCameraControlModuleImpl.java
index 450d517..b95859f 100644
--- a/web/src/main/java/com/zhehekeji/web/lib/hik/HikCameraControlModuleImpl.java
+++ b/web/src/main/java/com/zhehekeji/web/lib/hik/HikCameraControlModuleImpl.java
@@ -257,7 +257,8 @@ public class HikCameraControlModuleImpl implements CameraControlModule {
     }
 
     public void downloadMp4(Integer cameraId, String path, LocalDateTime start, LocalDateTime end) {
-
+        start = start.minusMinutes(1);
+        end = end.minusMinutes(1);
         PathUtil.checkDirc(path);
         Duration duration = Duration.between(start, end);
         Long seconds = duration.getSeconds();
diff --git a/web/src/main/java/com/zhehekeji/web/service/hikLightSource/HikControlSocket.java b/web/src/main/java/com/zhehekeji/web/service/hikLightSource/HikControlSocket.java
index a31060e..784a665 100644
--- a/web/src/main/java/com/zhehekeji/web/service/hikLightSource/HikControlSocket.java
+++ b/web/src/main/java/com/zhehekeji/web/service/hikLightSource/HikControlSocket.java
@@ -19,13 +19,13 @@ public class HikControlSocket {
      * <${端口号},${开关状态（0：关  1：开）},${get\post}>
      */
     public static void main(String[] args) {
-        String code = openLight("172.16.0.82", 9000,2,0);
-        System.out.println(code);
+        int code = openLight("172.16.0.72", 9000,2,0);
+
     }
 
-    public static String openLight(String ip,int port,int index,int bool){
+    public static int openLight(String ip,int port,int index,int bool){
         Socket socket = new Socket();
-        String code = null;
+        int status = 0;
         OutputStream os = null;
         InputStream is = null;
         try {
@@ -59,8 +59,8 @@ public class HikControlSocket {
             } catch (IOException e) {
                 e.printStackTrace();
             }
+            return status;
 
-            return code;
         }
     }
 
@@ -78,12 +78,6 @@ public class HikControlSocket {
         os.write(bytes);
     }
 
-    private static void getStatus(OutputStream os,int index) throws IOException {
-        String startCmd = "<"+index+","+0+","+"get>";
-        byte [] bytes = startCmd.getBytes(StandardCharsets.UTF_8);
-        os.write(bytes);
-    }
-
     private static String read(InputStream inStream) throws IOException {
         StringBuffer sb = new StringBuffer();
         int start = -1;
@@ -95,7 +89,7 @@ public class HikControlSocket {
                 inStream.read(buffer);
                 String s = new String(buffer, Charset.forName("utf-8"));
                 sb.append(s);
-                System.out.println(s);
+
                 if(start < 0){
                     start = sb.indexOf("<");
                 }
@@ -105,7 +99,7 @@ public class HikControlSocket {
             }
 
         }while (start <0 || end <= start);
-        return sb.substring(start,end);
+        return sb.substring(start,end+1);
     }
 
 }