fix

stmms-ms-collect/src/main/java/cn/com/qmth/stmms/ms/collect/util/RotateTask.java

@@ -1,17 +1,12 @@
 package cn.com.qmth.stmms.ms.collect.util;
 
-import java.awt.image.BufferedImage;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
-import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.util.HashSet;
 
-import javax.imageio.ImageIO;
-
 import org.apache.commons.codec.digest.DigestUtils;
 
 import cn.com.qmth.stmms.ms.commons.config.SystemConfig;
@@ -66,11 +61,12 @@ public class RotateTask  implements Runnable {
 	        String sliceMD5 = DigestUtils.md5Hex(in);
 			paper.setSliceMD5(sliceMD5);
 			paperRepo.save(paper);
-			papers.remove(paper.getExamNumber());
 		} catch (FileNotFoundException e) {
 			e.printStackTrace();
 		} catch (IOException ioe) {
 			ioe.printStackTrace();
+		} finally {
+			papers.remove(paper.getExamNumber());
 		}
 	}
 }