插入频率表key201保存bug

blade-service/blade-manager/src/main/java/org/springblade/manager/service/impl/WbsTreeContractServiceImpl.java

@@ -925,7 +925,7 @@ public class WbsTreeContractServiceImpl extends BaseServiceImpl<WbsTreeContractM
             if (!DataMap.isEmpty()) {
                 String updateSql = "update " + wbsInfo.getInitTableName() + " set " + info.getKey() + "=";
                 if (flag) {
-                    updateSql = "update " + wbsInfo.getInitTableName() + " set key_201 = concat(key_201,'$$'," + "'" + info.getKey() + ":" + dataCol + "') where p_key_id= " + wbsTreeContract.getPKeyId() + ";";
+                    updateSql = "update " + wbsInfo.getInitTableName() + " set key_201 = concat(IFNULL(key_201,''),'$$'," + "'" + info.getKey() + ":" + dataCol + "') where p_key_id= " + wbsTreeContract.getPKeyId() + ";";
                 } else {
                     updateSql = updateSql + "'" + dataCol + "' where p_key_id=" + wbsTreeContract.getPKeyId() + " ;";
                 }