diff --git a/components/fs/littlefs/lfs_api.c b/components/fs/littlefs/lfs_api.c
index 3e668016..cb81932d 100644
--- a/components/fs/littlefs/lfs_api.c
+++ b/components/fs/littlefs/lfs_api.c
@@ -47,17 +47,12 @@ FileOpInfo GetFsOpInfo(void)
 
 LittleFsHandleStruct *LfsAllocFd(const char *fileName, int *fd)
 {
-    int len = strlen(fileName) + 1;
-
     pthread_mutex_lock(&g_FslocalMutex);
     for (int i = 0; i < LITTLE_FS_MAX_OPEN_FILES; i++) {
         if (g_handle[i].useFlag == 0) {
             *fd = i;
             g_handle[i].useFlag = 1;
-            g_handle[i].pathName = (char *)malloc(len);
-            if (g_handle[i].pathName) {
-                strncpy_s(g_handle[i].pathName, LITTLE_FS_MAX_NAME_LEN, fileName, len);
-            }
+            g_handle[i].pathName = strdup(fileName);
             pthread_mutex_unlock(&g_FslocalMutex);
             return &(g_handle[i]);
         }
@@ -84,16 +79,11 @@ BOOL CheckFileIsOpen(const char *fileName)
 
 FileDirInfo *GetFreeDir(const char *dirName)
 {
-    int len = strlen(dirName) + 1;
-
     pthread_mutex_lock(&g_FslocalMutex);
     for (int i = 0; i < LFS_MAX_OPEN_DIRS; i++) {
         if (g_lfsDir[i].useFlag == 0) {
             g_lfsDir[i].useFlag = 1;
-            g_lfsDir[i].dirName = (char *)malloc(len);
-            if (g_lfsDir[i].dirName) {
-                strncpy_s(g_lfsDir[i].dirName, len, dirName, len);
-            }
+            g_lfsDir[i].dirName = strdup(dirName);
             pthread_mutex_unlock(&g_FslocalMutex);
             return &(g_lfsDir[i]);
         }
@@ -148,19 +138,12 @@ BOOL CheckPathIsMounted(const char *pathName, struct FileOpInfo **fileOpInfo)
 
 struct FileOpInfo *AllocMountRes(const char* target, struct FileOps *fileOps)
 {
-    int len = strlen(target) + 1;
-
     pthread_mutex_lock(&g_FslocalMutex);
     for (int i = 0; i < LFS_MAX_MOUNT_SIZE; i++) {
         if (g_fsOp[i].useFlag == 0 && strcmp(target, g_littlefsMntName[i]) == 0) {
             g_fsOp[i].useFlag = 1;
             g_fsOp[i].fsVops = fileOps;
-            if (g_fsOp[i].dirName == NULL) {
-                g_fsOp[i].dirName = (char *)malloc(len);
-                if(g_fsOp[i].dirName) {
-                    (void)strncpy_s(g_fsOp[i].dirName, len, target, len);
-                }
-            }
+            g_fsOp[i].dirName == strdup(target);
             pthread_mutex_unlock(&g_FslocalMutex);
             return &(g_fsOp[i]);
         }
@@ -393,7 +376,7 @@ struct dirent *LfsReaddir(DIR *dir)
     ret = lfs_dir_read(dirInfo->lfsHandle, (lfs_dir_t *)(&(dirInfo->dir)), &lfsInfo);
     if (ret == 0) {
         pthread_mutex_lock(&g_FslocalMutex);
-        (void)strncpy_s(g_nameValue.d_name, sizeof(g_nameValue.d_name), lfsInfo.name, strlen(lfsInfo.name) + 1);
+        g_nameValue.d_name = strdup(lfsInfo.name);
         if (lfsInfo.type == LFS_TYPE_DIR) {
             g_nameValue.d_type = DT_DIR;
         } else if (lfsInfo.type == LFS_TYPE_REG) {