add

src/main/java/com/zfire/jiasm/syncdata/service/impl/DetailDownloadServiceImpl.java

@@ -285,8 +285,17 @@ public class DetailDownloadServiceImpl implements DetailDownloadService {
 			}
 		}catch (Exception ex) {
 			ex.printStackTrace();
+			String errMessage = "同步子信息出错";
+
+			if (ex.getMessage() !=null){
+				errMessage = errMessage + ex.getMessage();
+				if (errMessage.length()>2048){
+					errMessage = errMessage.substring(0,2048);
+				}
+			}
+
 			// 抛异常目的是把前期的数据操作回滚
-			throw new Exception("同步子信息出错");
+			throw new Exception(errMessage);
 		}
 	}