new updated

ccb_fund_trusteeship/src/main/java/com/fuzamei/web/PromptLetterAction.java

@@ -197,6 +197,7 @@ public class PromptLetterAction {
 				out.flush();
 			}
 			out.close();
+			bis.close();
 			// 返给前端map进行前端提示
 			return JSONUtil.getJsonMap(200, true, "下载成功", null);
 		} catch (Exception e) {