diff --git a/tinyweb.h b/tinyweb.h
index 1d32118..6503577 100644
--- a/tinyweb.h
+++ b/tinyweb.h
@@ -167,7 +167,7 @@ void tw_send_data(uv_stream_t* client, const void* data, size_t len, size_t need
 //u8data：utf-8编码的数据
 //content_length：数据长度，为-1时自动计算(strlen)
 //respone_size：获取响应最终发送的数据长度，为0表示放不需要取此长度
-void tw_send_200_OK(uv_stream_t* client, const char* content_type, const void* u8data, int content_length, int* respone_size);
+void tw_send_200_OK(uv_stream_t* client, const char* content_type, const void* u8data, size_t content_length, size_t* respone_size);
 
 //关闭客户端连接
 void tw_close_client(uv_stream_t* client);
diff --git a/tools.c b/tools.c
index b3d899e..f0d3e27 100644
--- a/tools.c
+++ b/tools.c
@@ -213,8 +213,8 @@ inline struct _finddata_t GetFileInfo(const char* lpPath)
 {
 	struct _finddata_t fileinfo;
 	memset(&fileinfo, 0, sizeof(struct _finddata_t));
-	HANDLE hFind = _findfirst(lpPath, &fileinfo);
-	FindClose(hFind);
+	intptr_t hFind = _findfirst(lpPath, &fileinfo);
+	_findclose(hFind);
 	return fileinfo;
 }
 
@@ -249,7 +249,7 @@ char* listDir(const char* fullpath, const char* reqPath)
 
 	//文件(size>-1) 或 目录（size=-1）   [name:"file1.txt",mtime:"2016-11-28 16:25:46",size:123],\r\n
 	struct _finddatai64_t fdt;
-	HANDLE hFind;
+	intptr_t hFind;
 	char szFind[256];
 
 	snprintf(szFind, 255, "%s\\*", fullpath);
@@ -277,7 +277,7 @@ char* listDir(const char* fullpath, const char* reqPath)
 		if (_findnexti64(hFind, &fdt))
 			break;//下一个文件
 	}
-	FindClose(hFind);
+	_findclose(hFind);
 	//membuf_remove(&buf, buf.size-1, 1);
 	buf.data[--buf.size] = 0; buf.data[--buf.size] = 0;
 	membuf_append_format(&buf, "],total:%d}", fnum);