diff --git a/fileSystem.c b/fileSystem.c
index 8b18d18d65b4ccb8b42a7333c7abe01d8e81b077..f29aa7a346e51f2d0997221db07387c08eded9b0 100644
--- a/fileSystem.c
+++ b/fileSystem.c
@@ -30,7 +30,7 @@ int changeusrPath(MYSQL* mysql, char* usrPath, userProcess_t* puser){
         else if(strcmp("..", dir) == 0){
             //curid向前追溯一个     如果追溯的id为-1，则什么都不做      若不为-1，curid改为追溯的id
             char sql[1024];
-            sprintf(sql, "select preid from dirsys where id = %d and tomb = 0 and user = '%s' and type = 'd';", puser1->curid, puser1->username);
+            sprintf(sql, "select preid from vfsystem where id = %d and tomb = 0 and user = '%s' and type = 'd';", puser1->curid, puser1->username);
             printf("%s\n", sql);
 
             int qret = mysql_query(mysql, sql);
@@ -67,7 +67,7 @@ int changeusrPath(MYSQL* mysql, char* usrPath, userProcess_t* puser){
         else{
             //根据用户名、dir、curid、文件类型找寻符合条件选项      根据选项的id修改当前id      错误直接返回-1
             char sql[1024];
-            sprintf(sql, "select id from dirsys where preid = %d and tomb = 0 and user = '%s' and type = 'd' and name = '%s';", puser1->curid, puser1->username, dir);
+            sprintf(sql, "select id from vfsystem where preid = %d and tomb = 0 and user = '%s' and type = 'd' and name = '%s';", puser1->curid, puser1->username, dir);
             printf("%s\n", sql);   
 
             int qret = mysql_query(mysql, sql);
@@ -109,7 +109,7 @@ int changeusrPath(MYSQL* mysql, char* usrPath, userProcess_t* puser){
 
 int lsCurrDir(int netfd, MYSQL* mysql, userProcess_t* puser){
     char sql[1024];
-    sprintf(sql, "select id, name, type, user from dirsys where preid = %d and tomb = 0 and user = '%s';", puser->curid, puser->username);
+    sprintf(sql, "select id, name, type, user from vfsystem where preid = %d and tomb = 0 and user = '%s';", puser->curid, puser->username);
     printf("%s\n", sql);
 
     int qret = mysql_query(mysql, sql);
@@ -151,6 +151,11 @@ int lsCurrDir(int netfd, MYSQL* mysql, userProcess_t* puser){
         send(netfd, &train2, sizeof(train2.length)+train2.length, MSG_NOSIGNAL);//发送数据给客户端send
     }   
 
+    train_t train3;
+    bzero(&train3, sizeof(train3));
+    train3.length = 0;
+    send(netfd, &train3, sizeof(train3.length), MSG_NOSIGNAL); //空车校验
+
     mysql_free_result(result);
     return 0;
 }
@@ -166,30 +171,38 @@ int printfCurrPath(int netfd, MYSQL* mysql, userProcess_t* puser){
     }
     while(puser1->curid != puser1->initid){
         char sql[1024];
-        sprintf(sql, "select preid, path from dirsys where id = %d and tomb = 0 and type = 'd' and user = '%s';", puser1->curid, puser1->username);
+        sprintf(sql, "select preid, path from vfsystem where id = %d and tomb = 0 and type = 'd' and user = '%s';", puser1->curid, puser1->username);
         printf("%s\n", sql);
 
         int qret = mysql_query(mysql, sql);
         if(qret != 0){
             fprintf(stderr, "error:%s\n", mysql_error(mysql));
             LOGRECORD(ERROR, "mysql_query");
+            int status = -1;
+            send(netfd, &status, sizeof(int), MSG_NOSIGNAL);
             return -1;
         }
 
         MYSQL_RES* result = mysql_store_result(mysql);
         if(result == NULL){
             LOGRECORD(ERROR, "mysql_store_result");
+            int status = -1; 
+            send(netfd, &status, sizeof(int), MSG_NOSIGNAL);
             return -1;
         }
 
         if(mysql_num_rows(result) == 0){
             LOGRECORD(INFO, "mysql_num_rows");
+            int status = -1; 
+            send(netfd, &status, sizeof(int), MSG_NOSIGNAL);
             return -1;
         }
 
         MYSQL_ROW row;
         if((row = mysql_fetch_row(result)) == NULL){
             LOGRECORD(ERROR, "mysql_fetch_row");
+            int status = -1; 
+            send(netfd, &status, sizeof(int), MSG_NOSIGNAL);
             return -1;
         }
 
@@ -214,7 +227,7 @@ int printfCurrPath(int netfd, MYSQL* mysql, userProcess_t* puser){
 
 int mkDir(char* dirname, MYSQL* mysql, userProcess_t* puser){
     char sql[1024];
-    sprintf(sql, "select id from dirsys where preid = %d and tomb = 0 and user = '%s' and type = 'd' and name = '%s';", puser->curid, puser->username, dirname);
+    sprintf(sql, "select id from vfsystem where preid = %d and tomb = 0 and user = '%s' and type = 'd' and name = '%s';", puser->curid, puser->username, dirname);
     printf("%s\n", sql);
 
     int qret = mysql_query(mysql, sql);
@@ -236,7 +249,7 @@ int mkDir(char* dirname, MYSQL* mysql, userProcess_t* puser){
         return -1;
     }
 
-    sprintf(sql, "insert into dirsys (name, type, preid, path, user, tomb) values ('%s', 'd', %d, '/%s', '%s', 0);", dirname, puser->curid, dirname, puser->username);
+    sprintf(sql, "insert into vfsystem (name, type, preid, path, user, tomb) values ('%s', 'd', %d, '/%s', '%s', 0);", dirname, puser->curid, dirname, puser->username);
     printf("%s\n", sql);
      
     qret = mysql_query(mysql, sql);
@@ -252,7 +265,7 @@ int mkDir(char* dirname, MYSQL* mysql, userProcess_t* puser){
 int rmDir(char* dirname, MYSQL* mysql, userProcess_t* puser){
     //先查是否有该目录
     char sql[1024];
-    sprintf(sql, "select id from dirsys where preid = %d and tomb = 0 and user = '%s' and type = 'd' and name = '%s';", puser->curid, puser->username, dirname);
+    sprintf(sql, "select id from vfsystem where preid = %d and tomb = 0 and user = '%s' and type = 'd' and name = '%s';", puser->curid, puser->username, dirname);
     printf("%s\n", sql);
 
     int qret = mysql_query(mysql, sql);
@@ -283,7 +296,7 @@ int rmDir(char* dirname, MYSQL* mysql, userProcess_t* puser){
     int dirid = atoi(row[0]);
     mysql_free_result(result);
     //再查是否目录为空
-    sprintf(sql, "select id from dirsys where preid = %d and tomb = 0 and user = '%s';", dirid, puser->username);
+    sprintf(sql, "select id from vfsystem where preid = %d and tomb = 0 and user = '%s';", dirid, puser->username);
     printf("%s\n", sql);
 
     qret = mysql_query(mysql, sql);
@@ -304,9 +317,9 @@ int rmDir(char* dirname, MYSQL* mysql, userProcess_t* puser){
         LOGRECORD(INFO, "mysql_num_rows");
         return -1;
     }
-
+    mysql_free_result(result);
     //目录为空进行删除
-    sprintf(sql, "update dirsys set tomb = 1 where preid = %d and tomb = 0 and user = '%s' and type = 'd' and name = '%s';", puser->curid, puser->username, dirname);
+    sprintf(sql, "update vfsystem set tomb = 1 where preid = %d and tomb = 0 and user = '%s' and type = 'd' and name = '%s';", puser->curid, puser->username, dirname);
     printf("%s\n", sql);
 
     qret = mysql_query(mysql, sql);
@@ -323,7 +336,7 @@ int rmDir(char* dirname, MYSQL* mysql, userProcess_t* puser){
 int deleteServerFile(char* filename, MYSQL* mysql, userProcess_t* puser){
     //先查是否有该文件
     char sql[1024];
-    sprintf(sql, "select id from dirsys where preid = %d and tomb = 0 and user = '%s' and type = 'f' and name = '%s';", puser->curid, puser->username, filename);
+    sprintf(sql, "select id from vfsystem where preid = %d and tomb = 0 and user = '%s' and type = 'f' and name = '%s';", puser->curid, puser->username, filename);
     printf("%s\n", sql);
 
     int qret = mysql_query(mysql, sql);
@@ -348,7 +361,7 @@ int deleteServerFile(char* filename, MYSQL* mysql, userProcess_t* puser){
     mysql_free_result(result);
 
     //删除文件
-    sprintf(sql, "update dirsys set tomb = 1 where preid = %d and tomb = 0 and user = '%s' and type = 'f' and name = '%s';", puser->curid, puser->username, filename);
+    sprintf(sql, "update vfsystem set tomb = 1 where preid = %d and tomb = 0 and user = '%s' and type = 'f' and name = '%s';", puser->curid, puser->username, filename);
     printf("%s\n", sql);
 
     qret = mysql_query(mysql, sql);