diff --git a/http/http/httputil.h b/http/http/httputil.h
index 782a7f1553436d06ff9834158756f642b9e7e8a0..9b136e3040c33a38a380f40b68448b9c661ae29d 100644
--- a/http/http/httputil.h
+++ b/http/http/httputil.h
@@ -3,6 +3,7 @@
 
 #include <crt_util.h>
 #include <ctype.h>
+
 const char *http_mkrfc1123(char *buf, size_t size, time_t t);
 char* http_gb2312_url_encode(const char *str);
 char* http_gb2312_url_decode(const char *str);