diff --git a/mpp/sample/pwm/light_pwm.c b/mpp/sample/pwm/light_pwm.c
index 1cd1126..33ff25f 100644
--- a/mpp/sample/pwm/light_pwm.c
+++ b/mpp/sample/pwm/light_pwm.c
@@ -97,7 +97,7 @@ int get_parameter(struct decoce_param *pparam)
         printf("config file parse filed!\n");
         return -1;
    }
-   pparam->light     = get_conf_int("light", 0);
+   pparam->light     = get_conf_int("light", 1200);
    //pparam->osd_on     = get_conf_int("osd_on", 0);
    printf("light %d \n",pparam->light);
    return 0;
diff --git a/mpp/sample/vdec_udp_h265/udp_get_nal_frame.c b/mpp/sample/vdec_udp_h265/udp_get_nal_frame.c
index f6472c2..772e578 100644
--- a/mpp/sample/vdec_udp_h265/udp_get_nal_frame.c
+++ b/mpp/sample/vdec_udp_h265/udp_get_nal_frame.c
@@ -80,7 +80,7 @@ int init_net(){
 
     		socket_descriptor[i]=socket(AF_INET,SOCK_DGRAM,0);//IPV4
 
-    		tv.tv_sec = 4;
+    		tv.tv_sec = 2;
     		tv.tv_usec = 0;
     		if (setsockopt(socket_descriptor[i], SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) < 0) {
         		printf("socket option  SO_RCVTIMEO not support\n");
diff --git a/mpp/sample/vdec_udp_h265/vdec_udp_h265 b/mpp/sample/vdec_udp_h265/vdec_udp_h265
index 565d375..3046e0f 100644
Binary files a/mpp/sample/vdec_udp_h265/vdec_udp_h265 and b/mpp/sample/vdec_udp_h265/vdec_udp_h265 differ