diff --git a/code/application/source/sf_app/code/source/4gMng/sf_ftp.c b/code/application/source/sf_app/code/source/4gMng/sf_ftp.c
index c613dc635..10dc17a66 100755
--- a/code/application/source/sf_app/code/source/4gMng/sf_ftp.c
+++ b/code/application/source/sf_app/code/source/4gMng/sf_ftp.c
@@ -2300,14 +2300,8 @@ SINT32 sf_low_power_warn_send_ftp(void)
 	}
     MLOGD("start\n");
 
-	char *file_path = sf_root_path_strcat(SF_LOW_POWER_WARN_FILENAME);
-	if(file_path == NULL)
-	{
-		free(file_path);
-	    return SF_FAILURE;
-	}
 
-	sprintf((char *)filePath, "%s", file_path);
+	sprintf((char *)filePath, "%s", SF_LOW_POWER_WARN_FILENAME);
 
 	sf_custom_str_get(customStr);
 	sprintf((char *)uploadFname, "%s-%s-btalarm.txt",pPara->ModuleImei, customStr);
@@ -2325,7 +2319,6 @@ SINT32 sf_low_power_warn_send_ftp(void)
     }
     MLOGD(" end ret:[0x%08X]\n", ret);
 	//printf("[%s:%d]ret:[0x%08X]\n\n", __FUNCTION__, __LINE__, ret);
-	free(file_path);
 	return ret;
 }
 
diff --git a/code/application/source/sf_app/code/source/fileMng/sf_file.c b/code/application/source/sf_app/code/source/fileMng/sf_file.c
index 5f00919cb..29378ae7e 100755
--- a/code/application/source/sf_app/code/source/fileMng/sf_file.c
+++ b/code/application/source/sf_app/code/source/fileMng/sf_file.c
@@ -1363,6 +1363,8 @@ UINT32 sf_create_low_power_warn_file(void)
     UINT32 fd = 0, ret = FAIL;
     UINT8 szTmp[50] = {0};
     UINT8 str[20]= {0};
+	char filePath[64] = { 0 };
+
     UINT16 temp = 0;
 	UINT8 batVal = 0;
     UIMenuStoreInfo *pPara = sf_app_ui_para_get();
@@ -1376,43 +1378,13 @@ UINT32 sf_create_low_power_warn_file(void)
 	 	return ret;
 	 }
 
-	char *thumb_dir = sf_root_path_strcat(SF_THUMB_DIR);
-	if(thumb_dir == NULL)
-	{
-		free(thumb_dir);
-	    return SF_FAILURE;
-	}
-	 
-    /*Avoid New Card*/
+	sprintf((char *)filePath, "%s", SF_LOW_POWER_WARN_FILENAME);
 
-    if (access(thumb_dir, F_OK) == -1) {
-        printf("%s directory does not exist. Creating...\n", thumb_dir);
-
-        if (mkdir(thumb_dir, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH) == -1) {
-            //perror("mkdir() error");
-        } else {
-            printf("%s directory created.\n", thumb_dir);
-        }
-    } else {
-        printf("%s directory exists.\n", thumb_dir);
-    }
-	free(thumb_dir);
-
-	char *lp_path = sf_root_path_strcat(SF_LOW_POWER_WARN_FILENAME);
-	if(lp_path == NULL)
-	{
-		free(lp_path);
-	   	return SF_FAILURE;
-	}
-    if(sf_file_IsExsit(lp_path) == SF_TRUE){
-        sf_file_remove(lp_path);
-    }
-
-    fd = open(lp_path, O_APPEND | O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR);
+    fd = open(filePath, O_APPEND | O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR);
 
     if(!fd)
     {
-        fd = open(lp_path, O_APPEND | O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR);
+        fd = open(filePath, O_APPEND | O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR);
     }
 
     if(fd)
@@ -1442,7 +1414,7 @@ UINT32 sf_create_low_power_warn_file(void)
 		if(ret <0)
 		{
 			close(fd);
-			sf_file_remove(lp_path);
+			sf_file_remove(filePath);
 			printf("write low power warn file failed!,ret:%d\n",ret);
 			ret = FAIL;
 		}
@@ -1453,7 +1425,6 @@ UINT32 sf_create_low_power_warn_file(void)
 			ret = SUCCESS;
 		}
     }
-	free(lp_path);
     return ret;
 }