[bugfix] null porint for importdata

atms-api/src/main/java/pwc/taxtech/atms/controller/TBDataImportController.java

@@ -245,8 +245,8 @@ public class TBDataImportController {
     private void initTree(List<JsonTrialBalanceTreeNode> nodes, String parentCode, List<JsonTrialBalanceTreeNode> sources) {
         JsonTrialBalanceTreeNode tempNode;
         //递归寻找子节点
-        if (sources != null && !sources.isEmpty()) {
-            List<JsonTrialBalanceTreeNode> tempTree = sources.stream().filter(item -> item.getParentCode().equals(parentCode)).collect(Collectors.toList());
+        if (sources != null && !sources.isEmpty() && !StringUtils.isEmpty(parentCode)) {
+            List<JsonTrialBalanceTreeNode> tempTree = sources.stream().filter(item -> parentCode.equals(item.getParentCode())).collect(Collectors.toList());
             for (JsonTrialBalanceTreeNode row : tempTree) {
                 tempNode = new JsonTrialBalanceTreeNode();
                 CommonUtils.copyProperties(row, tempNode);