优化OSS读写方法；增加spring-mvc上传配置

stmms-biz/src/main/java/cn/com/qmth/stmms/biz/file/store/FileStore.java

@@ -9,4 +9,6 @@ public interface FileStore {
     byte[] read(String path) throws Exception;
 
     boolean exist(String path);
+
+    void close();
 }