bug fix

src/main/java/cn/qg/holmes/service/effect/impl/DatabaseSyncServiceImpl.java

@@ -505,7 +505,7 @@ public class DatabaseSyncServiceImpl implements DatabaseSyncService {
                             if (columnArrayStr.length() == 0) {
                                 columnArrayStr.append("`").append(column).append("`");
                             } else {
-                                columnArrayStr.append(",`").append(columnArrayStr).append("`");
+                                columnArrayStr.append(",`").append(column).append("`");
                             }
                         }
 
@@ -586,8 +586,8 @@ public class DatabaseSyncServiceImpl implements DatabaseSyncService {
                 log.info("本次同步{}.{}表，不保留业务数据", dbName, tableName);
                 if (dbList.contains(dbName)) {
                     // 如果表存在，则首先删除表
-                    log.info("表存在，首先删除表: {}", tableName);
                     String dropTableSql = String.format("DROP TABLE if exists %s", tableName);
+                    log.info("首先执行删除表的SQL: {}", dropTableSql);
                     preparedStatement = connection.prepareStatement(dropTableSql);
                     preparedStatement.execute();