diff --git a/UDPclient.depend b/UDPclient.depend
index 026b5de..76cf40b 100644
--- a/UDPclient.depend
+++ b/UDPclient.depend
@@ -29,7 +29,7 @@
 	<stdio.h>
 	<inttypes.h>
 
-1396204130 source:/home/chch/HengLongUDPclient/main.c
+1396399727 source:/home/chch/HengLongUDPclient/main.c
 	<pthread.h>
 	<stdio.h>
 	<stdlib.h>
@@ -176,7 +176,7 @@
 1395878369 source:/home/chch/HengLongUDPclient/checkvideo.c
 	"checkvideo.h"
 
-1396204073 source:/home/chch/HengLongUDPclient/checkkillswitch.c
+1396205007 source:/home/chch/HengLongUDPclient/checkkillswitch.c
 	"checkkillswitch.h"
 
 1396202748 /home/chch/HengLongUDPclient/checkkillswitch.h
diff --git a/bin/Debug/UDPclient b/bin/Debug/UDPclient
index f2ca4dc..bc4f90a 100755
Binary files a/bin/Debug/UDPclient and b/bin/Debug/UDPclient differ
diff --git a/bin/Release/UDPclient b/bin/Release/UDPclient
index e4306a6..802f78d 100755
Binary files a/bin/Release/UDPclient and b/bin/Release/UDPclient differ
diff --git a/checkkillswitch.c b/checkkillswitch.c
index 7d1e37c..113406c 100644
--- a/checkkillswitch.c
+++ b/checkkillswitch.c
@@ -52,7 +52,7 @@ int checkkillswitch(char* ip, uint16_t port, char* url)
 {
     char rb[1024];
     int n;
-    if(0==ip[0]) return 0;
+    if(0==ip[0]) return 1;
     getPage(ip, port, url, rb, sizeof(rb));
     n = strstr(rb, "true");
     if(NULL != n) return 1;
diff --git a/main.c b/main.c
index 972d69d..11ac457 100644
--- a/main.c
+++ b/main.c
@@ -541,7 +541,7 @@ int main(int argc, char* argv[])
         n_send = sendto(sockfd, &senddata, sizeof(senddata), 0, (struct sockaddr *)&servaddr, sizeof(servaddr));
 
         printf("SEND FRAME -- FRM_NBR: %5d,               BYTES send: %3d, SEND_FRM: %#x, CLINBR: %d, CLISEL: %d, SERVOFF: %d\n", frame_nbr, n_send, frame, senddata.clinbr, senddata.clisel, senddata.servoff);
-        if(pthread_kill(keybthread, 0)) break;
+        if(keyboard_thread_args.filename[0]) if(pthread_kill(keybthread, 0)) break;
     }
 
     return 0;
diff --git a/obj/Debug/checkkillswitch.o b/obj/Debug/checkkillswitch.o
index 66681d4..7df0507 100644
Binary files a/obj/Debug/checkkillswitch.o and b/obj/Debug/checkkillswitch.o differ
diff --git a/obj/Debug/main.o b/obj/Debug/main.o
index 1269ab6..1189207 100644
Binary files a/obj/Debug/main.o and b/obj/Debug/main.o differ
diff --git a/obj/Release/checkkillswitch.o b/obj/Release/checkkillswitch.o
index eb28eff..eddff93 100644
Binary files a/obj/Release/checkkillswitch.o and b/obj/Release/checkkillswitch.o differ
diff --git a/obj/Release/main.o b/obj/Release/main.o
index 9d4a8f8..5949939 100644
Binary files a/obj/Release/main.o and b/obj/Release/main.o differ