diff --git a/Makefile b/Makefile
index fb51fa7..088c240 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,9 @@
-#CC := gcc
+CC := gcc
 #针对路由器的，一般的cpu架构都是mips msb吧:)，用于交叉编译
 #MIPS MSB
 #CC := mips-openwrt-linux-gcc
 #MIPS LSB
-CC := mipsel-openwrt-linux-gcc
+#CC := mipsel-openwrt-linux-gcc
 
 RM := rm -rf
 CP := cp -r
diff --git a/common.c b/common.c
index f851a07..6f7c67b 100644
--- a/common.c
+++ b/common.c
@@ -2,8 +2,9 @@
  * 一些通用的代码
  */
 #include <string.h>
-#include "common.h"
 #include <stdlib.h>
+#include <ctype.h>
+#include "common.h"
 
 #ifdef LINUX
 # include <unistd.h>
diff --git a/eapol.c b/eapol.c
index 465f913..ebd0b61 100644
--- a/eapol.c
+++ b/eapol.c
@@ -36,7 +36,6 @@ static char _uname[UNAME_LEN];
 static char _pwd[PWD_LEN];
 static int pwdlen;
 
-static int mac_equal(uchar *mac1, uchar *mac2);
 static int eap_keep_alive(int skfd, struct sockaddr const *skaddr);
 static int eap_md5_clg(int skfd, struct sockaddr const *skaddr);
 static int eap_res_identity(int skfd, struct sockaddr const *skaddr);
@@ -112,6 +111,7 @@ static int eapol_init(int *skfd, struct sockaddr *skaddr)
  */
 static int filte_req_identity(int skfd, struct sockaddr const *skaddr)
 {
+	(void)skaddr;
 	int stime = time((time_t*)NULL);
 	for (; difftime(time((time_t*)NULL), stime) <= TIMEOUT;) {
 		/* TODO 看下能不能只接受某类包，包过滤 */
@@ -135,6 +135,7 @@ static int filte_req_identity(int skfd, struct sockaddr const *skaddr)
  */
 static int filte_req_md5clg(int skfd, struct sockaddr const *skaddr)
 {
+	(void)skaddr;
 	int stime = time((time_t*)NULL);
 	for (; difftime(time((time_t*)NULL), stime) <= TIMEOUT;) {
 		recvfrom(skfd, recvbuff, BUFF_LEN, 0, NULL, NULL);
@@ -174,6 +175,7 @@ static int filte_req_md5clg(int skfd, struct sockaddr const *skaddr)
  */
 static int filte_success(int skfd, struct sockaddr const *skaddr)
 {
+	(void)skaddr;
 	int stime = time((time_t*)NULL);
 	for (; difftime(time((time_t*)NULL), stime) <= TIMEOUT;) {
 		recvfrom(skfd, recvbuff, BUFF_LEN, 0, NULL, NULL);
diff --git a/main_cli.c b/main_cli.c
index ac8741b..aea0b21 100644
--- a/main_cli.c
+++ b/main_cli.c
@@ -22,8 +22,8 @@ int main(int argc, char **argv)
 	char pwd[PWD_LEN];
 
 	char islogoff = 0;
-    char iskpalv = 0;
 #ifdef WINDOWS
+    char iskpalv = 0;
     char kpalv_if[IFNAMSIZ];
 #endif
 
@@ -33,7 +33,9 @@ int main(int argc, char **argv)
         } else if (0 == strcmp("-h", argv[1])) {
             help(argc, argv);
             return 0;
-        } else if (0 == strcmp("-k", argv[1])) {
+        }
+#ifdef WINDOWS
+		if (0 == strcmp("-k", argv[1])) {
             /*
              * -k选项让这个程序作为心跳程序运行。
              * -k ifname
@@ -47,11 +49,13 @@ int main(int argc, char **argv)
             _D("kpalv_if: %s\n", kpalv_if);
             iskpalv = 1;
         }
+#endif
     }
     if (0 != getconf(uname, pwd)) {
         fprintf(stderr, "Not configure.\n");
         return 1;
     }
+
 #ifdef WINDOWS
     /* windows下作为心跳进程运行的代码 */
     if (iskpalv) {
@@ -66,6 +70,7 @@ int main(int argc, char **argv)
         return 1;
     }
 #endif
+
     if (islogoff) {
         eaplogoff();
         return 0;