diff --git a/rtos/code/driver/na51089/source/mcu/sf_mcu.c b/rtos/code/driver/na51089/source/mcu/sf_mcu.c
index 34757766f..6ec99d445 100755
--- a/rtos/code/driver/na51089/source/mcu/sf_mcu.c
+++ b/rtos/code/driver/na51089/source/mcu/sf_mcu.c
@@ -2157,6 +2157,9 @@ void sf_file_thumb_cfg_sava(void)
 
     //return ;
 	UINT8 fileIndex = 0;
+    INT32 ret_fs = 0;
+    FST_FILE_STATUS FileStat;
+
     UIMenuStoreInfo *puiPara = sf_ui_para_get();
 
 	if (pThumbFileCfg != NULL) {
@@ -2183,6 +2186,7 @@ void sf_file_thumb_cfg_sava(void)
             snprintf(sendListName, sizeof(sendListName), "%s", SF_THUMB_SEND_AUTO);
             if((access(sendListName, F_OK) == 0) && (0 == flag))
             {
+                printf("%s:%d DeleteFile:%s\r\n", __FUNCTION__, __LINE__, sendListName);
                 if (FileSys_DeleteFile(sendListName) != FST_STA_OK) {
                     DBG_IND("Ignore deleting file.\r\n");
                 }
@@ -2201,17 +2205,26 @@ void sf_file_thumb_cfg_sava(void)
         else {
             fd = open(sendListName, O_APPEND | O_WRONLY | O_CREAT);
         }*/
-        fs = FileSys_OpenFile(sendListName, FST_CREATE_ALWAYS | FST_OPEN_WRITE);
+        fs = FileSys_OpenFile(sendListName, FST_OPEN_ALWAYS | FST_OPEN_WRITE);
         if(/*fd*/fs)
         {
+            FileSys_StatFile(fs, &FileStat);
+            printf("%s:%d qFileStat:%llu\n", __FUNCTION__, __LINE__, FileStat.uiFileSize);
+
+
+            ret_fs = FileSys_SeekFile(fs, 0, FST_SEEK_END);
+            if (ret_fs != FST_STA_OK) {
+                printf("%s:%d seek file failed\r\n", __FUNCTION__, __LINE__);
+            }
             for(fileIndex = 0; fileIndex < pThumbFileCfg->filecnt; fileIndex++)
             {
                 if((0 == fileIndex) || ((1 == puiPara->SendMulti))){
                     sf_add_file_name_to_send_list(pThumbFileCfg->stfileattr[fileIndex].thumbfileName, fs);
                     printf("%s:%d thumbfileSize:%ld thumbfileName:%s thumbfilePath:%s\n", __FUNCTION__, __LINE__,pThumbFileCfg->stfileattr[fileIndex].thumbfileSize,pThumbFileCfg->stfileattr[fileIndex].thumbfileName,pThumbFileCfg->stfileattr[fileIndex].thumbfilePath);
+                    FileSys_FlushFile(fs);
                 }
             }
-            FileSys_FlushFile(fs);
+
             FileSys_CloseFile(fs);
             //close(fd);
         }
@@ -2222,9 +2235,13 @@ void sf_file_thumb_cfg_sava(void)
         char str1[6] = { 0 };
         char str2[6] = { 0 };
         printf("fileName:%s\n",SF_BATTERY_TEST_FILE);
-        fs = FileSys_OpenFile(SF_BATTERY_TEST_FILE, FST_CREATE_ALWAYS | FST_OPEN_WRITE);
+        fs = FileSys_OpenFile(SF_BATTERY_TEST_FILE, FST_OPEN_ALWAYS | FST_OPEN_WRITE);
         if(fs)
         {
+            ret_fs = FileSys_SeekFile(fs, 0, FST_SEEK_END);
+            if (ret_fs != FST_STA_OK) {
+                printf("%s:%d seek file failed\r\n", __FUNCTION__, __LINE__);
+            }
             for(fileIndex = 0; fileIndex < pThumbFileCfg->filecnt; fileIndex++)
             {
                 if((0 == fileIndex) || ((1 == puiPara->SendMulti))){
@@ -2234,9 +2251,10 @@ void sf_file_thumb_cfg_sava(void)
                     snprintf((char *)str2, sizeof(str2), "%s", str1);
                     printf("%s:%d thumbfileName:%s str2:%s\n", __FUNCTION__, __LINE__, pThumbFileCfg->stfileattr[fileIndex].thumbfileName, str2);
                     sf_BatteryInfoSave(str2,fs);
+                    FileSys_FlushFile(fs);
+
                 }
             }
-            FileSys_FlushFile(fs);
             FileSys_CloseFile(fs);
             //close(fd);
         }
@@ -2248,9 +2266,13 @@ void sf_file_thumb_cfg_sava(void)
 	    char str4[6] = { 0 };
 
         printf("fileName:%s\n",SF_HW_TEST_FILE);
-        fs = FileSys_OpenFile(SF_HW_TEST_FILE, FST_CREATE_ALWAYS | FST_OPEN_WRITE);
+        fs = FileSys_OpenFile(SF_HW_TEST_FILE, FST_OPEN_ALWAYS | FST_OPEN_WRITE);
         if(fs)
         {
+            ret_fs = FileSys_SeekFile(fs, 0, FST_SEEK_END);
+            if (ret_fs != FST_STA_OK) {
+                printf("%s:%d seek file failed\r\n", __FUNCTION__, __LINE__);
+            }
             for(fileIndex = 0; fileIndex < pThumbFileCfg->filecnt; fileIndex++)
             {
                 if((0 == fileIndex) || ((1 == puiPara->SendMulti))){
@@ -2260,9 +2282,10 @@ void sf_file_thumb_cfg_sava(void)
                     snprintf((char *)str4, sizeof(str4), "%s", str3);
                     printf("%s:%d thumbfileName:%s str2:%s\n", __FUNCTION__, __LINE__, pThumbFileCfg->stfileattr[fileIndex].thumbfileName, str4);
                     sf_hw_info_save(str4,fs);
+                    FileSys_FlushFile(fs);
+
                 }
             }
-            FileSys_FlushFile(fs);
             FileSys_CloseFile(fs);
             //close(fd);
         }
@@ -2288,6 +2311,7 @@ void sf_add_file_name_to_send_list(char *sendfname, FST_FILE fd)
     UINT32 size = 0;
     INT32 ret_fs = 0;
 	UIMenuStoreInfo *puiPara = sf_ui_para_get();
+    FST_FILE_STATUS FileStat;
 
     if (sendfname == NULL) {
         printf("%s:%d sendfname err\n", __FUNCTION__, __LINE__);
@@ -2304,18 +2328,21 @@ void sf_add_file_name_to_send_list(char *sendfname, FST_FILE fd)
     {
         //fstat(fd, &st);
         //lseek(fd, 0, SEEK_END);
-        ret_fs = FileSys_SeekFile((FST_FILE)fd, 0, FST_SEEK_END);
+        /*ret_fs = FileSys_SeekFile(fd, 0, FST_SEEK_END);
         if (ret_fs != FST_STA_OK) {
             printf("%s:%d seek file failed\r\n", __FUNCTION__, __LINE__);
-        }
+        }*/
         
         snprintf(buff, sizeof(buff), "%d%s\r\n", puiPara->CamMode, sendfname);
         size = SF_SEND_LIST_ITEM_LENGTH;
-        ret_fs = FileSys_WriteFile((FST_FILE)fd, (UINT8*)buff, &size, 0, NULL);
+        ret_fs = FileSys_WriteFile(fd, (UINT8*)buff, &size, 0, NULL);
 		if (ret_fs != FST_STA_OK) {
             printf("%s:%d FileSys_WriteFile failed\r\n", __FUNCTION__, __LINE__);
 		}
 
+        FileSys_StatFile(fd, &FileStat);
+        printf("%s:%d FileStat:%llu\n", __FUNCTION__, __LINE__, FileStat.uiFileSize);
+
 		//write(fd, buff, SF_SEND_LIST_ITEM_LENGTH);
 
         //printf("Add Success st_size:%ld\n", st.st_size);
@@ -2473,10 +2500,7 @@ void sf_hw_info_save(char *name,FST_FILE fd)
 		write(fd, tmpBuf, strlen(tmpBuf));
     	close(fd);*/
         //printf("Add Success st_size:%ld\n", st.st_size);
-        ret_fs = FileSys_SeekFile(fd, 0, FST_SEEK_END);
-        if (ret_fs != FST_STA_OK) {
-            printf("%s:%d seek file failed\r\n", __FUNCTION__, __LINE__);
-        }
+
         size = strlen(tmpBuf);
         ret_fs = FileSys_WriteFile(fd, (UINT8*)tmpBuf, &size, 0, NULL);
         if (ret_fs != FST_STA_OK) {