Merge remote-tracking branch 'origin/master'

mec-util/src/main/java/com/ym/mec/util/excel/POIUtil.java

@@ -252,7 +252,7 @@ public class POIUtil {
 							obj = sdf.format(obj);
 						}
 						
-					} catch (NestedNullException e) {
+					} catch (Exception e) {
 						LOGGER.warn(e.getMessage());
 						obj = null;
 					}