diff --git a/blockdev/filedev/ext4_filedev.c b/blockdev/filedev/ext4_filedev.c
index ea3ba7c..aa63600 100644
--- a/blockdev/filedev/ext4_filedev.c
+++ b/blockdev/filedev/ext4_filedev.c
@@ -45,7 +45,7 @@ static const char *fname = "ext2";
 /**@brief   Image file descriptor.*/
 static FILE *dev_file;
 
-#define DROP_LINUXCACHE_BUFFERS 1
+#define DROP_LINUXCACHE_BUFFERS 0
 
 
 /**********************BLOCKDEV INTERFACE**************************************/
diff --git a/fs_test/fs_test.cmake b/fs_test/fs_test.cmake
index affbe89..8bd946b 100644
--- a/fs_test/fs_test.cmake
+++ b/fs_test/fs_test.cmake
@@ -7,8 +7,11 @@ aux_source_directory(blockdev/filedev_win BLOCKDEV_SRC)
 
 add_executable(lwext4_server fs_test/lwext4_server.c ${BLOCKDEV_SRC})
 target_link_libraries(lwext4_server lwext4)
+if(WIN32)
 target_link_libraries(lwext4_server ws2_32)
-
+endif(WIN32)
 add_executable(lwext4_client fs_test/lwext4_client.c ${BLOCKDEV_SRC})
 target_link_libraries(lwext4_client lwext4)
-target_link_libraries(lwext4_client ws2_32)
\ No newline at end of file
+if(WIN32)
+target_link_libraries(lwext4_client ws2_32)
+endif(WIN32)
\ No newline at end of file
diff --git a/fs_test/lwext4_client.c b/fs_test/lwext4_client.c
index ae77961..f1a6855 100644
--- a/fs_test/lwext4_client.c
+++ b/fs_test/lwext4_client.c
@@ -27,7 +27,7 @@ static void winsock_fini(void);
 static char *server_addr = "127.0.0.1";
 
 /**@brief   Default connection port.*/
-static int connection_port = 8888;
+static int connection_port = 1234;
 
 /**@brief   Call op*/
 static char *op_code;
@@ -142,7 +142,6 @@ int main(int argc, char *argv[])
     if(rc)
         printf("\t%s\n",op_code);
 
-    closesocket(sockfd);
     return rc;
 }
 
diff --git a/fs_test/lwext4_server.c b/fs_test/lwext4_server.c
index deb9bd6..fefce29 100644
--- a/fs_test/lwext4_server.c
+++ b/fs_test/lwext4_server.c
@@ -1,8 +1,8 @@
 
+#include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
-#include <errno.h>
 #include <string.h>
 #include <stdint.h>
 #include <stdbool.h>
@@ -19,10 +19,12 @@
 #include <sys/types.h>
 #endif
 
-#include <ext4.h>
+
 #include <ext4_filedev.h>
 #include <io_raw.h>
 
+#include <ext4.h>
+
 static int winsock_init(void);
 static void winsock_fini(void);
 static char* entry_to_str(uint8_t type);
@@ -35,7 +37,7 @@ static char* entry_to_str(uint8_t type);
 
 
 /**@brief   Default connection port*/
-static int connection_port = 8888;
+static int connection_port = 1234;
 
 /**@brief   Default filesystem filename.*/
 static char *ext4_fname = "ext2";
@@ -205,7 +207,7 @@ static int exec_op_code(char *opcode)
         clock_t t = get_ms();
         r = op_call[i].lwext4_call(opcode);
 
-        printf("rc: %d, time: %ums\n", r, get_ms() - t);
+        printf("rc: %d, time: %ums\n", r, (unsigned int)(get_ms() - t));
 
         break;
     }
@@ -322,7 +324,6 @@ int main(int argc, char *argv[])
         close(connfd);
     }
 
-    closesocket(listenfd);
     winsock_fini();
     return 0;
 }
@@ -786,7 +787,7 @@ int _multi_fcreate(char *p)
     int i;
     ext4_file   fd;
 
-    if(sscanf(p, "%s %s %d", &path, prefix, &cnt) != 3){
+    if(sscanf(p, "%s %s %d", path, prefix, &cnt) != 3){
         printf("Param list error\n");
         return -1;
     }
@@ -813,7 +814,7 @@ int _multi_fwrite(char *p)
     int i, d, wb;
     ext4_file   fd;
 
-    if(sscanf(p, "%s %s %d %d", &path, prefix, &cnt, &ll) != 4){
+    if(sscanf(p, "%s %s %d %d", path, prefix, &cnt, &ll) != 4){
         printf("Param list error\n");
         return -1;
     }
@@ -856,7 +857,7 @@ int _multi_fread(char *p)
     int i, d, rb;
     ext4_file   fd;
 
-    if(sscanf(p, "%s %s %d %d", &path, prefix, &cnt, &ll) != 4){
+    if(sscanf(p, "%s %s %d %d", path, prefix, &cnt, &ll) != 4){
         printf("Param list error\n");
         return -1;
     }
@@ -902,7 +903,7 @@ int _multi_fremove(char *p)
     char prefix[32];
     int  cnt, i, rc;
 
-    if(sscanf(p, "%s %s %d", &path, prefix, &cnt) != 3){
+    if(sscanf(p, "%s %s %d", path, prefix, &cnt) != 3){
         printf("Param list error\n");
         return -1;
     }
@@ -924,7 +925,7 @@ int _multi_dcreate(char *p)
     char prefix[32];
     int  cnt, i, rc;
 
-    if(sscanf(p, "%s %s %d", &path, prefix, &cnt) != 3){
+    if(sscanf(p, "%s %s %d", path, prefix, &cnt) != 3){
         printf("Param list error\n");
         return -1;
     }
@@ -946,7 +947,7 @@ int _multi_dremove(char *p)
     char prefix[32];
     int  cnt, i, rc;
 
-    if(sscanf(p, "%s %s %d", &path, prefix, &cnt) != 3){
+    if(sscanf(p, "%s %s %d", path, prefix, &cnt) != 3){
         printf("Param list error\n");
         return -1;
     }
@@ -967,7 +968,7 @@ int _stats_save(char *p)
 {
     char path[256];
 
-    if(sscanf(p, "%s", &path) != 1){
+    if(sscanf(p, "%s", path) != 1){
         printf("Param list error\n");
         return -1;
     }
@@ -982,7 +983,7 @@ int _stats_check(char *p)
 
     struct ext4_mount_stats  actual_stats;
 
-    if(sscanf(p, "%s", &path) != 1){
+    if(sscanf(p, "%s", path) != 1){
         printf("Param list error\n");
         return -1;
     }