diff --git a/samples/CMakeLists.txt b/samples/CMakeLists.txt
index 7c2a2ae..95ebcbd 100644
--- a/samples/CMakeLists.txt
+++ b/samples/CMakeLists.txt
@@ -29,4 +29,12 @@ endif ()
 if (ENABLE_FEATURE_AUTH_MODE_DYNAMIC)
     add_executable(dynamic_auth_sample dynamic_auth/dynamic_auth_sample.c)
     add_dependencies(dynamic_auth_sample iot_sdk iot_platform)
+endif ()
+
+if (ENABLE_FEATURE_UPLOAD_FILE)
+    add_executable(http_download http/http_download.c)
+    add_dependencies(http_download iot_sdk iot_platform)
+	
+    add_executable(http_upload http/http_upload.c)
+    add_dependencies(http_upload iot_sdk iot_platform)	
 endif ()
\ No newline at end of file
diff --git a/samples/http/http_download.c b/samples/http/http_download.c
new file mode 100644
index 0000000..5882512
--- /dev/null
+++ b/samples/http/http_download.c
@@ -0,0 +1,94 @@
+/*
+* Copyright (C) 2012-2019 UCloud. All Rights Reserved.
+*
+* Licensed under the Apache License, Version 2.0 (the "License").
+* You may not use this file except in compliance with the License.
+* A copy of the License is located at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* or in the "license" file accompanying this file. This file is distributed
+* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+* express or implied. See the License for the specific language governing
+* permissions and limitations under the License.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <limits.h>
+#include <stdbool.h>
+#include <string.h>
+#include <signal.h>
+
+#include "uiot_import.h"
+#include "ca.h"
+#include "utils_httpc.h"
+#include "uiot_export_file_upload.h"
+   
+int main(int argc, char **argv) {    
+    http_client_t *http_client = (http_client_t *)HAL_Malloc(sizeof(http_client_t));
+    http_client_data_t *http_data = (http_client_data_t *)HAL_Malloc(sizeof(http_client_data_t));
+    memset(http_client, 0, sizeof(http_client_t));
+    memset(http_data, 0, sizeof(http_client_data_t));
+
+    char *buf = (char *)HAL_Malloc(2046);
+    memset(buf, 0, 2046);
+    http_data->response_buf = buf;
+    http_data->response_buf_len = 2046;
+    http_client->header = (char *)"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n" \
+                         "Accept-Encoding: gzip, deflate\r\n";
+
+    FILE *fp;
+    char *file_path = (char*)"download.txt";
+    fp = fopen(file_path, "wb+");
+    if(NULL == fp)
+    {
+        HAL_Printf("open file fp fail\r\n");
+        return FAILURE_RET;
+    }
+
+    char *url = (char *)"https://uiot.cn-sh2.ufileos.com/test.txt";
+
+    const char *ca_crt = iot_https_ca_get();
+    uint32_t timeout_ms = 5000;
+    int rc;
+    int32_t total = 0;
+#ifdef SUPPORT_TLS
+    http_client_common(http_client, url, 443, ca_crt, HTTP_GET, http_data);
+#else
+    http_client_common(http_client, url, 80, ca_crt, HTTP_GET, http_data);
+#endif
+    do {
+        int diff = http_data->response_content_len - http_data->retrieve_len;
+
+        http_client_recv_data(http_client, timeout_ms, http_data);
+
+        int32_t len = http_data->response_content_len - http_data->retrieve_len - diff;
+        if (len > 0) {
+            rc = fwrite(http_data->response_buf, len, 1, fp);
+            if(rc != 1)                
+            {
+                HAL_Printf("fwrite fail\r\n");
+                return FAILURE_RET;
+            }
+            total += len;
+        }
+    } while (http_data->retrieve_len != 0);
+
+    fclose(fp);
+    http_client_close(http_client);
+    HAL_Free(buf);
+    HAL_Free(http_data);
+    HAL_Free(http_client);
+
+    if(total != 11358)
+    {
+        HAL_Printf("download fail\r\n");
+        return FAILURE_RET;
+    }
+
+    return SUCCESS_RET;
+}
+
+
diff --git a/samples/http/http_upload.c b/samples/http/http_upload.c
new file mode 100644
index 0000000..ffd7ff2
--- /dev/null
+++ b/samples/http/http_upload.c
@@ -0,0 +1,70 @@
+/*
+* Copyright (C) 2012-2019 UCloud. All Rights Reserved.
+*
+* Licensed under the Apache License, Version 2.0 (the "License").
+* You may not use this file except in compliance with the License.
+* A copy of the License is located at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* or in the "license" file accompanying this file. This file is distributed
+* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+* express or implied. See the License for the specific language governing
+* permissions and limitations under the License.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <limits.h>
+#include <stdbool.h>
+#include <string.h>
+#include <signal.h>
+
+#include "uiot_import.h"
+#include "ca.h"
+#include "utils_httpc.h"
+#include "uiot_export_file_upload.h"
+
+#define UIOT_MY_PRODUCT_SN            "iwfrdgwhmwscqbmv"
+
+#define UIOT_MY_DEVICE_SN             "mosjgqhqqx1aut0a"
+
+#define UIOT_MY_DEVICE_SECRET         "zn9srzorb96kwat7"
+
+#define FILE_PATH                     "test.zip"
+
+int main(int argc, char **argv) {    
+    char md5[100];    
+    char *authorization = (char *)malloc(1024);
+    memset(authorization, 0, 1024);
+    char *put_url = (char *)malloc(1024);
+    memset(put_url, 0, 1024);
+    int ret = SUCCESS_RET;
+
+    http_client_file_md5(FILE_PATH, md5);
+    HAL_Printf("MD5:%s\n", md5);
+    
+    ret = IOT_GET_URL_AND_AUTH(UIOT_MY_PRODUCT_SN, UIOT_MY_DEVICE_SN, UIOT_MY_DEVICE_SECRET, FILE_PATH, md5, authorization, put_url);
+    if(SUCCESS_RET != ret)
+    {
+        HAL_Printf("get url and auth fail\r\n");
+        return FAILURE_RET;
+    }
+
+    HAL_Printf("get MD5:%s\n", md5);
+    HAL_Printf("get authorization:%s\n", authorization);
+    HAL_Printf("get put_url:%s\n", put_url);
+
+    ret = IOT_UPLOAD_FILE(FILE_PATH, md5, authorization, put_url);
+    if(SUCCESS_RET != ret)
+    {
+        HAL_Printf("upload file fail\r\n");
+        return FAILURE_RET;
+    }
+    HAL_Printf("upload success\n");
+    HAL_Free(authorization);
+    HAL_Free(put_url);
+}
+
+
diff --git a/samples/samples.mk b/samples/samples.mk
index 7bf7d0b..601e96c 100644
--- a/samples/samples.mk
+++ b/samples/samples.mk
@@ -12,6 +12,7 @@ mqtt_sample:
 	$(PLATFORM_CC) $(CFLAGS) $(SAMPLE_DIR)/mqtt/$@.c $(LDFLAGS) -o $@
 
 	mv $@ $(FINAL_DIR)/bin
+endif
 
 ifneq (,$(filter -DAUTH_MODE_DYNAMIC,$(CFLAGS)))
 dynamic_auth_sample:
@@ -62,8 +63,24 @@ dev_model_sample:
 	$(TOP_Q) \
 	mv $@ $(FINAL_DIR)/bin
 endif
+
+ifneq (,$(filter -DFILE_UPLOAD_ENABLED,$(CFLAGS)))
+http_download:
+	$(TOP_Q) \
+	$(PLATFORM_CC) $(CFLAGS) $(SAMPLE_DIR)/http/$@.c $(LDFLAGS) -o $@
+
+	$(TOP_Q) \
+	mv $@ $(FINAL_DIR)/bin
+
+http_upload:
+	$(TOP_Q) \
+	$(PLATFORM_CC) $(CFLAGS) $(SAMPLE_DIR)/http/$@.c $(LDFLAGS) -o $@
+
+	$(TOP_Q) \
+	mv $@ $(FINAL_DIR)/bin
 endif
 
+
 samples_final:
 	$(TOP_Q) \
 	cp -rf $(TOP_DIR)/src/sdk-impl/*port*.h $(FINAL_DIR)/include/