diff --git a/samples/webclient_shard_download_sample.c b/samples/webclient_shard_download_sample.c
index d60c283..e9b5def 100644
--- a/samples/webclient_shard_download_sample.c
+++ b/samples/webclient_shard_download_sample.c
@@ -114,7 +114,11 @@ int webclient_shard_download_test(int argc, char **argv)
     webclient_register_shard_position_function(session, shard_download_handle);
 
     /* the "memory size" that you can provide in the project and uri */
-    webclient_shard_position_function(session, uri, 0, length, size);
+    result = webclient_shard_position_function(session, uri, 0, length, size);
+    if(result != WEBCLIENT_OK)
+    {
+        rt_kprintf("web shard download, test failed!\n");
+    }
 
     /* clear the handle function */
     webclient_register_shard_position_function(session, RT_NULL);
diff --git a/src/webclient.c b/src/webclient.c
index 2f60628..b92eb52 100644
--- a/src/webclient.c
+++ b/src/webclient.c
@@ -1043,6 +1043,7 @@ int webclient_shard_head_function(struct webclient_session *session, const char
 int webclient_shard_position_function(struct webclient_session *session, const char *URI, int start, int length, int mem_size)
 {
     int rc = WEBCLIENT_OK;
+    int result = RT_EOK;
     int resp_status = 0;
     int resp_len = 0;
     char *buffer = RT_NULL;
@@ -1142,7 +1143,11 @@ int webclient_shard_position_function(struct webclient_session *session, const c
         if(data_len > 0)
         {
             start_position += mem_size;
-            session->handle_function(buffer, data_len);
+            result = session->handle_function(buffer, data_len);
+            if(result != RT_EOK)
+            {
+                return -WEBCLIENT_ERROR;
+            }
         }
         else
         {