签收图片关闭流

blade-biz-common/src/main/java/org/springblade/common/utils/FileUtil.java

@@ -199,6 +199,8 @@ public class FileUtil extends TimerTask {
 		while ((n = in.read(buff)) >= 0) {
 			out.write(buff, 0, n);
 		}
+		out.close();
+		in.close();
 	}