diff --git a/example/demo/hos_write_demo.cpp b/example/demo/hos_write_demo.cpp
index 7f794e20..7d757a7c 100644
--- a/example/demo/hos_write_demo.cpp
+++ b/example/demo/hos_write_demo.cpp
@@ -54,6 +54,10 @@ int file_to_buffer(const char *file, char *buffer, int size)
 
 void callback(bool result, const char *bucket, const char *object, const char *errormsg, size_t errorcode, void *userdata)
 {
+    if (!result)
+    {
+        printf("error:[%d], %s\n", errorcode, errormsg);
+    }
     return ;
 }
 
@@ -128,15 +132,15 @@ int main(int argc, char *argv[])
     printf("hos_write buff start ...\n");
     snprintf(object, 1023, "%s_write_APPEND", file_name);
     fd = hos_open_fd(bucket, object, callback, NULL, 0);
-    if (hos_write(fd, buf, buffer.st_size, 0) != HOS_CLIENT_OK)
+    if (hos_write(fd, buf, buffer.st_size) != HOS_CLIENT_OK)
     {
         printf("error: hos_write failed 1st!\n");
     }
-    if (hos_write(fd, buf, buffer.st_size, 0) != HOS_CLIENT_OK)
+    if (hos_write(fd, buf, buffer.st_size) != HOS_CLIENT_OK)
     {
         printf("error: hos_write failed 2nd!\n");
     }
-    hos_close_fd(fd, 0);
+    hos_close_fd(fd);
     printf("hos_write buff end ...\n");
 
     printf("hos_shutdown_instance start ...\n");
diff --git a/example/performance/HosClientPerformance.cpp b/example/performance/HosClientPerformance.cpp
index cee829f7..59366474 100644
--- a/example/performance/HosClientPerformance.cpp
+++ b/example/performance/HosClientPerformance.cpp
@@ -155,7 +155,7 @@ static int upload_file(char *file, char *buff, int buff_len, thread_info_t *thre
     {
         clock_gettime(CLOCK_MONOTONIC, &tstart);
         fd[i] = hos_open_fd(thread_info->bucket, thread_info->object, callback, NULL, thread_info->thread_num);
-        if (hos_write(fd[i], file, 0, thread_info->thread_num) != HOS_CLIENT_OK)
+        if (hos_write(fd[i], file, 0) != HOS_CLIENT_OK)
         {
             printf("error:hos_write file:%s\n", file);
             return -1;
@@ -225,10 +225,10 @@ static int upload_buff(char * buff, int buff_len, thread_info_t *thread_info, ch
                 rest = buff_len - tmp;
                 if (rest <= g_append_size)
                 {
-                    hos_write(fd[0], &buff[tmp], rest, thread_info->thread_num);
+                    hos_write(fd[0], &buff[tmp], rest);
                     break;
                 }
-                hos_write(fd[0], &buff[tmp], g_append_size, thread_info->thread_num);
+                hos_write(fd[0], &buff[tmp], g_append_size);
                 j++;
             }
             clock_gettime(CLOCK_MONOTONIC, &ttmp);
@@ -312,7 +312,7 @@ static int upload_buff(char * buff, int buff_len, thread_info_t *thread_info, ch
     {
         if (fd[i] > 2)
         {
-            hos_close_fd(fd[i], thread_info->thread_num);
+            hos_close_fd(fd[i]);
         }
     }
 
diff --git a/gtest/CMakeLists.txt b/gtest/CMakeLists.txt
index 3dabf565..948bdc72 100644
--- a/gtest/CMakeLists.txt
+++ b/gtest/CMakeLists.txt
@@ -13,7 +13,7 @@ SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fprofile-arcs -ftest-cove
 
 add_definitions(-g -W -Wall -std=c++11)
 #add_executable(gtest_hos_client gtest_hos_init_instance.cpp gtest_hos_get_instance.cpp gtest_hos_close_fd.cpp gtest_hos_open_fd.cpp)
-#add_executable(gtest_hos_client CheckHosClient.cpp gtest_hos_write.cpp)
+#add_executable(gtest_hos_client CheckHosClient.cpp gtest_hos_close_fd.cpp)
 add_executable(gtest_hos_client ${SRCS})
 target_link_libraries(gtest_hos_client hos-client-cpp gtest gtest_main pthread)
 
diff --git a/gtest/gtest_hos_close_fd.cpp b/gtest/gtest_hos_close_fd.cpp
index bfbdc3b7..160bda59 100644
--- a/gtest/gtest_hos_close_fd.cpp
+++ b/gtest/gtest_hos_close_fd.cpp
@@ -77,13 +77,13 @@ TEST(hos_close_fd, normal)
     gtest_hos_handle_init(&expect_hos_handle, thread_num);
     CheckStructGHosHandle(&g_hos_handle, &expect_hos_handle);
 
-    size_t fd = hos_open_fd(HOS_BUCKET, "object", NULL, NULL, 0);
+    long fd = hos_open_fd(HOS_BUCKET, "object", NULL, NULL, 0);
     CheckHosInstance(hos_instance, &expect_hos_instance);
     CheckStructGHosHandle(&g_hos_handle, &expect_hos_handle);
     gtest_hos_fd_init(&expect_fd_info);
     CheckStructGHosFdContext((hos_fd_context_t *)fd, &expect_fd_info);
 
-    int ret = hos_close_fd(fd, 0);
+    int ret = hos_close_fd(fd);
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     CheckHosInstance(hos_instance, &expect_hos_instance);
     CheckStructGHosHandle(&g_hos_handle, &expect_hos_handle);
@@ -121,12 +121,14 @@ TEST(hos_close_fd, paramer_error)
     expect_hos_handle.hos_config.thread_num=2;
     CheckStructGHosHandle(&g_hos_handle, &expect_hos_handle);
 
-    int fd = hos_open_fd(NULL, "object", NULL, NULL, 0);
-    EXPECT_EQ(fd, HOS_PARAMETER_ERROR);
+    long fd = hos_open_fd(HOS_BUCKET, "object", NULL, NULL, 0);
     CheckHosInstance(hos_instance, &expect_hos_instance);
     CheckStructGHosHandle(&g_hos_handle, &expect_hos_handle);
+    gtest_hos_fd_init(&expect_fd_info);
+    CheckStructGHosFdContext((hos_fd_context_t *)fd, &expect_fd_info);
 
-    int ret = hos_close_fd(fd, thread_num + 1);
+    ((hos_fd_context_t *)fd)->thread_id = thread_num + 1;
+    int ret = hos_close_fd(fd);
     EXPECT_EQ(ret, HOS_PARAMETER_ERROR);
     CheckHosInstance(hos_instance, &expect_hos_instance);
     CheckStructGHosHandle(&g_hos_handle, &expect_hos_handle);
@@ -152,7 +154,7 @@ TEST(hos_close_fd, paramer_error)
 
 TEST(hos_close_fd, not_init_instance)
 {
-    int ret = hos_close_fd(1,1);
+    int ret = hos_close_fd(1);
     EXPECT_EQ(ret, HOS_INSTANCE_NOT_INIT);
 }
 
diff --git a/gtest/gtest_hos_open_fd.cpp b/gtest/gtest_hos_open_fd.cpp
index 401e2ed9..ac2ec3e6 100644
--- a/gtest/gtest_hos_open_fd.cpp
+++ b/gtest/gtest_hos_open_fd.cpp
@@ -89,12 +89,12 @@ TEST(hos_open_fd, normal)
     gtest_hos_fd_init(&expect_fd_info[1]);
     CheckStructGHosFdContext((hos_fd_context_t *)fd1, &expect_fd_info[1]);
     
-    int ret = hos_close_fd(fd, 0);
+    int ret = hos_close_fd(fd);
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     CheckHosInstance(hos_instance, &expect_hos_instance);
     CheckStructGHosHandle(&g_hos_handle, &expect_hos_handle);
 
-    ret = hos_close_fd(fd1, 1);
+    ret = hos_close_fd(fd1);
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     CheckHosInstance(hos_instance, &expect_hos_instance);
     CheckStructGHosHandle(&g_hos_handle, &expect_hos_handle);
diff --git a/gtest/gtest_hos_write.cpp b/gtest/gtest_hos_write.cpp
index 256fe014..c149c4a9 100644
--- a/gtest/gtest_hos_write.cpp
+++ b/gtest/gtest_hos_write.cpp
@@ -130,7 +130,7 @@ TEST(hos_write, normal)
     expect_fd_info[0].userdata = (void *)"object_buff";
     CheckStructGHosFdContext((hos_fd_context_t *)fd, &expect_fd_info[0]);
 
-    int ret = hos_write(fd, HOS_BUFF, strlen(HOS_BUFF), 0);
+    int ret = hos_write(fd, HOS_BUFF, strlen(HOS_BUFF));
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     expect_fd_info[0].fd_status = 2;
     data_info->rx_bytes[0] += strlen(HOS_BUFF);
@@ -149,7 +149,7 @@ TEST(hos_write, normal)
     expect_fd_info[1].userdata = (void *)"object_append";
     CheckStructGHosFdContext((hos_fd_context_t *)fd1, &expect_fd_info[1]);
 
-    ret = hos_write(fd1, HOS_BUFF, strlen(HOS_BUFF), 1);
+    ret = hos_write(fd1, HOS_BUFF, strlen(HOS_BUFF));
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     data_info->rx_bytes[1] += strlen(HOS_BUFF);
     data_info->rx_pkts[1] +=1;
@@ -161,7 +161,7 @@ TEST(hos_write, normal)
     CheckStructGHosFdContext((hos_fd_context_t *)fd1, &expect_fd_info[1]);
     EXPECT_TRUE(((hos_fd_context_t *)fd1)->cache != NULL); 
 
-    ret = hos_write(fd1, HOS_BUFF, strlen(HOS_BUFF), 1);
+    ret = hos_write(fd1, HOS_BUFF, strlen(HOS_BUFF));
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     data_info->rx_bytes[1] += strlen(HOS_BUFF);
     data_info->rx_pkts[1] +=1;
@@ -174,14 +174,14 @@ TEST(hos_write, normal)
     EXPECT_TRUE(((hos_fd_context_t *)fd1)->cache != NULL); 
 
 
-    ret = hos_close_fd(fd, 0);
+    ret = hos_close_fd(fd);
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     data_info->tx_bytes[0] += data_info->cache[0]; 
     data_info->tx_pkts[0] += 1;
     data_info->cache[0] = 0;
     CheckHosInstance(hos_instance, &expect_hos_instance);
     CheckStructGHosHandle(&g_hos_handle, &expect_hos_handle);
-    ret = hos_close_fd(fd1, 1);
+    ret = hos_close_fd(fd1);
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     data_info->tx_bytes[1] += data_info->cache[1]; 
     data_info->tx_pkts[1] += 1;
@@ -232,7 +232,7 @@ TEST(hos_write, bucket_not_exits)
     expect_fd_info[0].object = (char *)"object_buff";
     CheckStructGHosFdContext((hos_fd_context_t *)fd, &expect_fd_info[0]);
     
-    int ret = hos_write(fd, HOS_BUFF, strlen(HOS_BUFF), 0);
+    int ret = hos_write(fd, HOS_BUFF, strlen(HOS_BUFF));
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     data_info->rx_bytes[0] = strlen(HOS_BUFF);
     data_info->rx_pkts[0] += 1;
@@ -250,7 +250,7 @@ TEST(hos_write, bucket_not_exits)
     expect_fd_info[1].object = (char *)"object_append";
     CheckStructGHosFdContext((hos_fd_context_t *)fd1, &expect_fd_info[1]);
 
-    ret = hos_write(fd1, HOS_BUFF, strlen(HOS_BUFF), 1);
+    ret = hos_write(fd1, HOS_BUFF, strlen(HOS_BUFF));
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     data_info->cache[1] += strlen(HOS_BUFF);
     data_info->rx_bytes[1] += strlen(HOS_BUFF);
@@ -262,7 +262,7 @@ TEST(hos_write, bucket_not_exits)
     CheckStructGHosFdContext((hos_fd_context_t *)fd1, &expect_fd_info[1]);
     EXPECT_TRUE(((hos_fd_context_t *)fd1)->cache != NULL); 
     
-    ret = hos_write(fd1, HOS_BUFF, strlen(HOS_BUFF), 1);
+    ret = hos_write(fd1, HOS_BUFF, strlen(HOS_BUFF));
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     data_info->cache[1] += strlen(HOS_BUFF);
     data_info->rx_bytes[1] += strlen(HOS_BUFF);
@@ -274,14 +274,14 @@ TEST(hos_write, bucket_not_exits)
     CheckStructGHosFdContext((hos_fd_context_t *)fd1, &expect_fd_info[1]);
     EXPECT_TRUE(((hos_fd_context_t *)fd1)->cache != NULL); 
 
-    ret = hos_close_fd(fd, 0);
+    ret = hos_close_fd(fd);
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     data_info->tx_failed_bytes[0] += data_info->cache[0];
     data_info->tx_failed_pkts[0] += 1;
     data_info->cache[0] = 0;
     CheckHosInstance(hos_instance, &expect_hos_instance);
     CheckStructGHosHandle(&g_hos_handle, &expect_hos_handle);
-    ret = hos_close_fd(fd1, 1);
+    ret = hos_close_fd(fd1);
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     data_info->tx_failed_bytes[1] += data_info->cache[1];
     data_info->tx_failed_pkts[1] += 1;
@@ -330,7 +330,7 @@ TEST(hos_write, sync_mode)
     expect_fd_info[0].object = (char *)"object_buff";
     CheckStructGHosFdContext((hos_fd_context_t *)fd, &expect_fd_info[0]);
     
-    int ret = hos_write(fd, HOS_BUFF, strlen(HOS_BUFF), 0);
+    int ret = hos_write(fd, HOS_BUFF, strlen(HOS_BUFF));
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     data_info->rx_bytes[0] += strlen(HOS_BUFF);
     data_info->rx_pkts[0] += 1;
@@ -345,7 +345,7 @@ TEST(hos_write, sync_mode)
     expect_fd_info[1].object = (char *)"object_append";
     CheckStructGHosFdContext((hos_fd_context_t *)fd1, &expect_fd_info[1]);
 
-    ret = hos_write(fd1, HOS_BUFF, strlen(HOS_BUFF), 1);
+    ret = hos_write(fd1, HOS_BUFF, strlen(HOS_BUFF));
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     data_info->rx_bytes[1] += strlen(HOS_BUFF);
     data_info->rx_pkts[1] += 1;
@@ -357,7 +357,7 @@ TEST(hos_write, sync_mode)
     CheckStructGHosFdContext((hos_fd_context_t *)fd1, &expect_fd_info[1]);
     EXPECT_TRUE(((hos_fd_context_t *)fd1)->cache != NULL); 
 
-    ret = hos_write(fd1, HOS_BUFF, strlen(HOS_BUFF), 1);
+    ret = hos_write(fd1, HOS_BUFF, strlen(HOS_BUFF));
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     data_info->rx_bytes[1] += strlen(HOS_BUFF);
     data_info->rx_pkts[1] += 1;
@@ -369,14 +369,14 @@ TEST(hos_write, sync_mode)
     CheckStructGHosFdContext((hos_fd_context_t *)fd1, &expect_fd_info[1]);
     EXPECT_TRUE(((hos_fd_context_t *)fd1)->cache != NULL); 
 
-    ret = hos_close_fd(fd, 0);
+    ret = hos_close_fd(fd);
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     data_info->tx_bytes[0] += data_info->cache[0];
     data_info->tx_pkts[0] += 1;
     data_info->cache[0] = 0;
     CheckHosInstance(hos_instance, &expect_hos_instance);
     CheckStructGHosHandle(&g_hos_handle, &expect_hos_handle);
-    ret = hos_close_fd(fd1, 1);
+    ret = hos_close_fd(fd1);
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     data_info->tx_bytes[1] += data_info->cache[1];
     data_info->tx_pkts[1] += 1;
@@ -426,7 +426,7 @@ TEST(hos_write, sync_mode_bucket_not_exits)
     expect_fd_info[0].bucket = (char *)HOS_CONF;
     CheckStructGHosFdContext((hos_fd_context_t *)fd, &expect_fd_info[0]);
 
-    int ret = hos_write(fd, HOS_BUFF, strlen(HOS_BUFF), 0);
+    int ret = hos_write(fd, HOS_BUFF, strlen(HOS_BUFF));
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     expect_fd_info[0].fd_status = 2;
     data_info->rx_bytes[0] += strlen(HOS_BUFF);
@@ -443,7 +443,7 @@ TEST(hos_write, sync_mode_bucket_not_exits)
     expect_fd_info[1].bucket = (char *)HOS_CONF;
     CheckStructGHosFdContext((hos_fd_context_t *)fd1, &expect_fd_info[1]);
 
-    ret = hos_write(fd1, HOS_BUFF, strlen(HOS_BUFF), 1);
+    ret = hos_write(fd1, HOS_BUFF, strlen(HOS_BUFF));
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     data_info->rx_bytes[1] += strlen(HOS_BUFF);
     data_info->rx_pkts[1] += 1;
@@ -455,7 +455,7 @@ TEST(hos_write, sync_mode_bucket_not_exits)
     CheckStructGHosFdContext((hos_fd_context_t *)fd1, &expect_fd_info[1]);
     EXPECT_TRUE(((hos_fd_context_t *)fd1)->cache != NULL); 
 
-    ret = hos_write(fd1, HOS_BUFF, strlen(HOS_BUFF), 1);
+    ret = hos_write(fd1, HOS_BUFF, strlen(HOS_BUFF));
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     data_info->rx_bytes[1] += strlen(HOS_BUFF);
     data_info->rx_pkts[1] += 1;
@@ -467,14 +467,14 @@ TEST(hos_write, sync_mode_bucket_not_exits)
     CheckStructGHosFdContext((hos_fd_context_t *)fd1, &expect_fd_info[1]);
     EXPECT_TRUE(((hos_fd_context_t *)fd1)->cache != NULL); 
 
-    ret = hos_close_fd(fd, 0);
+    ret = hos_close_fd(fd);
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     data_info->tx_failed_bytes[0] += data_info->cache[0];
     data_info->tx_failed_pkts[0] += 1;
     data_info->cache[0] = 0;
     CheckHosInstance(hos_instance, &expect_hos_instance);
     CheckStructGHosHandle(&g_hos_handle, &expect_hos_handle);
-    ret = hos_close_fd(fd1, 1);
+    ret = hos_close_fd(fd1);
     EXPECT_EQ(ret, HOS_CLIENT_OK);
     data_info->tx_failed_bytes[1] += data_info->cache[1];
     data_info->tx_failed_pkts[1] += 1;
@@ -521,7 +521,7 @@ TEST(hos_write, paramer_error)
     expect_fd_info.callback = (void *)hos_callback;
     CheckStructGHosFdContext((hos_fd_context_t *)fd, &expect_fd_info);
 
-    int ret = hos_write(fd, NULL, strlen(HOS_BUFF), 0);
+    int ret = hos_write(fd, NULL, strlen(HOS_BUFF));
     EXPECT_EQ(ret, HOS_PARAMETER_ERROR);
     CheckHosInstance(hos_instance, &expect_hos_instance);
     CheckStructGHosHandle(&g_hos_handle, &expect_hos_handle);
@@ -604,7 +604,7 @@ TEST(hos_write, over_threadnums)
     expect_fd_info.object = (char *)"object";
     CheckStructGHosFdContext((hos_fd_context_t *)fd, &expect_fd_info);
     
-    int ret = hos_write(3, HOS_BUFF, strlen(HOS_CONF), 6);
+    int ret = hos_write(fd, NULL, strlen(HOS_CONF));
     EXPECT_EQ(ret, HOS_PARAMETER_ERROR);
     CheckHosInstance(hos_instance, &expect_hos_instance);
     CheckStructGHosHandle(&g_hos_handle, &expect_hos_handle);
@@ -630,7 +630,7 @@ TEST(hos_write, over_threadnums)
 
 TEST(hos_write, not_init_instance)
 {
-    int ret = hos_write(3, HOS_BUFF, strlen(HOS_CONF), 0);
+    int ret = hos_write(3, HOS_BUFF, strlen(HOS_CONF));
     EXPECT_EQ(ret, HOS_INSTANCE_NOT_ENABLE);
 }
 
@@ -700,7 +700,7 @@ static void *hos_function(void *ptr)
         int len = 0;
         snprintf(path, 256, "../file/test%d.file", i%10);
         read_file(path, &content, &len); 
-        ret = hos_write(fd[i], content, len, i);
+        ret = hos_write(fd[i], content, len);
         free(content);
         EXPECT_EQ(ret, HOS_CLIENT_OK);
         data_info->cache[i] = strlen(HOS_BUFF);
@@ -716,7 +716,7 @@ static void *hos_function(void *ptr)
 
     for (i = 0; i < HOS_FD_NUMS_LOCAL; i++)
     {
-        ret = hos_close_fd(fd[i], i);
+        ret = hos_close_fd(fd[i]);
         EXPECT_EQ(ret, 0);
         data_info->rx_bytes[i] = data_info->cache[i];
         data_info->rx_pkts[i] += 1; 
diff --git a/src/hos_client.cpp b/src/hos_client.cpp
index 52e82f81..fcd9742b 100644
--- a/src/hos_client.cpp
+++ b/src/hos_client.cpp
@@ -917,13 +917,14 @@ long hos_open_fd(const char *bucket, const char *object, put_finished_callback c
     hos_fd->cache_rest = g_hos_handle.hos_config.cache_size;
     hos_fd->fd_status = HOS_FD_REGISTER;
     hos_fd->reslut = true;
+    hos_fd->thread_id = thread_id;
 
     MESA_HANDLE_RUNTIME_LOG(g_hos_handle.log, RLOG_LV_DEBUG, "hos_open_fd", "debug: [%s] thread_id:%lu, fd:%lu", g_hos_instance.hos_url_prefix, thread_id, (long)&hos_fd);
 
     return (long)hos_fd;
 }
 
-int hos_write(size_t fd, const char *stream, size_t stream_len, size_t thread_id)
+int hos_write(size_t fd, const char *stream, size_t stream_len)
 {
     hos_fd_context_t *a_fd_context = NULL;
     char num[128];
@@ -932,12 +933,22 @@ int hos_write(size_t fd, const char *stream, size_t stream_len, size_t thread_id
     hos_config_t *hos_conf = &g_hos_handle.hos_config;
     hos_func_thread_t *hos_func = &g_hos_handle.hos_func;
     size_t upload_len = 0;
+    size_t thread_id = 0;
 
     if (g_hos_instance.status != INSTANCE_ENABLE_STATE)
     {
         return HOS_INSTANCE_NOT_ENABLE;
     }
 
+    a_fd_context = (hos_fd_context_t *)fd;
+    if (a_fd_context == NULL)
+    {
+        MESA_HANDLE_RUNTIME_LOG(g_hos_handle.log, RLOG_LV_FATAL, __FUNCTION__, "error: [%s] fd is NULL", g_hos_instance.hos_url_prefix);
+        return HOS_FD_IS_INVALID;
+    }
+    MESA_HANDLE_RUNTIME_LOG(g_hos_handle.log, RLOG_LV_DEBUG, __FUNCTION__, "debug: [%s] Get fd_context", g_hos_instance.hos_url_prefix);
+
+    thread_id = a_fd_context->thread_id;
     if ((stream == NULL) || (thread_id > hos_conf->thread_num))
     {
         MESA_HANDLE_RUNTIME_LOG(g_hos_handle.log, RLOG_LV_FATAL, 
@@ -946,14 +957,6 @@ int hos_write(size_t fd, const char *stream, size_t stream_len, size_t thread_id
         return HOS_PARAMETER_ERROR;
     }
 
-    a_fd_context = (hos_fd_context_t *)fd;
-    if (a_fd_context == NULL)
-    {
-        MESA_HANDLE_RUNTIME_LOG(g_hos_handle.log, RLOG_LV_FATAL, __FUNCTION__, "error: [%s] fd is NULL", g_hos_instance.hos_url_prefix);
-        return HOS_HASH_NOT_FIND;
-    }
-    MESA_HANDLE_RUNTIME_LOG(g_hos_handle.log, RLOG_LV_DEBUG, __FUNCTION__, "debug: [%s] Get fd_context", g_hos_instance.hos_url_prefix);
-    
     // create and configure the asynchronous put object request.
     Aws::S3::Model::PutObjectRequest request;
 
@@ -990,7 +993,7 @@ int hos_write(size_t fd, const char *stream, size_t stream_len, size_t thread_id
     request.SetBody(a_fd_context->cache);
 
     // add headers
-    atomic_add(&(a_fd_context->position), 1);
+    atomic_add(&(a_fd_context->position), 100001);
     snprintf(num, 128, "%lu", atomic_read(&(a_fd_context->position)));
     Aws::Map<Aws::String, Aws::String> headers;
     headers["x-hos-upload-type"] = "append";
@@ -1027,25 +1030,19 @@ int hos_write(size_t fd, const char *stream, size_t stream_len, size_t thread_id
     return ret;
 }
 
-int hos_close_fd(size_t fd, size_t thread_id)
+int hos_close_fd(size_t fd)
 {
     hos_fd_context_t *a_fd_context = NULL;
     char num[128];
     hos_config_t *hos_conf = &g_hos_handle.hos_config;
     size_t upload_len = 0;
+    size_t thread_id = 0;
 
     if (g_hos_instance.status == INSTANCE_UNINIT_STATE)
     {
         return HOS_INSTANCE_NOT_INIT;
     }
 
-    if (thread_id > hos_conf->thread_num)
-    {
-        MESA_HANDLE_RUNTIME_LOG(g_hos_handle.log, RLOG_LV_FATAL, "hos_close_fd",
-            "error: [%s] fd:%lu, thread_id:%lu, thread_sum:%u.",
-            g_hos_instance.hos_url_prefix, fd, thread_id, hos_conf->thread_num);
-        return HOS_PARAMETER_ERROR;
-    }
     a_fd_context = (hos_fd_context_t *)fd;
     if (a_fd_context == NULL)
     {
@@ -1055,6 +1052,15 @@ int hos_close_fd(size_t fd, size_t thread_id)
         return HOS_CLIENT_OK; 
     }
 
+    thread_id = a_fd_context->thread_id;    
+    if (thread_id > hos_conf->thread_num)
+    {
+        MESA_HANDLE_RUNTIME_LOG(g_hos_handle.log, RLOG_LV_FATAL, "hos_close_fd",
+            "error: [%s] fd:%lu, thread_id:%lu, thread_sum:%u.",
+            g_hos_instance.hos_url_prefix, fd, thread_id, hos_conf->thread_num);
+        return HOS_PARAMETER_ERROR;
+    }
+
     //close fd 之前发送append的缓存中内容
     if ((a_fd_context->mode & BUFF_MODE) && (a_fd_context->mode & APPEND_MODE))
     {
@@ -1067,7 +1073,7 @@ int hos_close_fd(size_t fd, size_t thread_id)
             request.SetBody(a_fd_context->cache);
 
             // add headers
-            atomic_add(&(a_fd_context->position), 1);
+            atomic_add(&(a_fd_context->position), 100001);
             snprintf(num, 128, "%lu", atomic_read(&(a_fd_context->position)));
             Aws::Map<Aws::String, Aws::String> headers;
             headers["x-hos-upload-type"] = "append";
diff --git a/src/hos_client.h b/src/hos_client.h
index e5b775dc..713fd51c 100644
--- a/src/hos_client.h
+++ b/src/hos_client.h
@@ -21,7 +21,7 @@ enum hoserrors
 {
     HOS_PARAMETER_ERROR = -1,
     HOS_FILE_NOT_EXIST = -2,
-    HOS_HASH_NOT_FIND = -3,
+    HOS_FD_IS_INVALID = -3,
     HOS_FD_NOT_ENOUGH = -4,
     HOS_SEND_FAILED = -5,
     HOS_RUNTIME_LOG_FAILED = -6,
@@ -140,14 +140,14 @@ long hos_open_fd(const char *bucket, const char *object, put_finished_callback c
  *          size_t position             append模式下的每段内容编号
  * 返回值   int                         成功返回0，失败返回hoserror
 *************************************************************************************/
-int hos_write(size_t fd, const char *stream, size_t stream_len, size_t thread_id);
+int hos_write(size_t fd, const char *stream, size_t stream_len);
 /*************************************************************************************
  * 函数名： hos_close_fd
  * 参数：   size_t fd                   fd
  *          size_t thread_id            线程ID
  * 返回值   int                         成功返回0，失败返回hoserros错误码
 *************************************************************************************/
-int hos_close_fd(size_t fd, size_t thread_id);
+int hos_close_fd(size_t fd);
 /*************************************************************************************
  * 函数名： hos_shutdown_instance
  * 返回值   int                         成功返回0，失败返回hoserros错误码
diff --git a/src/hos_common.h b/src/hos_common.h
index ec4a8467..f4829919 100644
--- a/src/hos_common.h
+++ b/src/hos_common.h
@@ -136,6 +136,7 @@ typedef struct hos_fd_context_s
     bool reslut; /*PutObjectAsync result*/
     const char *error; /*PutObjectAsync error message*/
     size_t errorcode;
+    size_t thread_id;
 
 }hos_fd_context_t;