diff --git a/backend/services/project-management/src/main/java/io/metersphere/project/service/FileModuleService.java b/backend/services/project-management/src/main/java/io/metersphere/project/service/FileModuleService.java
index 5fa28f2d34..011236d403 100644
--- a/backend/services/project-management/src/main/java/io/metersphere/project/service/FileModuleService.java
+++ b/backend/services/project-management/src/main/java/io/metersphere/project/service/FileModuleService.java
@@ -94,7 +94,7 @@ public class FileModuleService extends ModuleTreeService implements CleanupProje
      */
     protected void checkDataValidity(FileModule fileModule) {
         FileModuleExample example = new FileModuleExample();
-        if (!StringUtils.equals(fileModule.getParentId(), ModuleConstants.ROOT_NODE_PARENT_ID)) {
+        if (!StringUtils.equalsIgnoreCase(fileModule.getParentId(), ModuleConstants.ROOT_NODE_PARENT_ID)) {
             //检查父ID是否存在
             example.createCriteria().andIdEqualTo(fileModule.getParentId());
             if (fileModuleMapper.countByExample(example) == 0) {
diff --git a/backend/services/project-management/src/main/java/io/metersphere/project/service/ModuleTreeService.java b/backend/services/project-management/src/main/java/io/metersphere/project/service/ModuleTreeService.java
index 148da19aa4..d6018522ce 100644
--- a/backend/services/project-management/src/main/java/io/metersphere/project/service/ModuleTreeService.java
+++ b/backend/services/project-management/src/main/java/io/metersphere/project/service/ModuleTreeService.java
@@ -59,7 +59,7 @@ public abstract class ModuleTreeService {
         while (CollectionUtils.isNotEmpty(traverseList) && traverseList.size() != lastSize) {
             List<BaseTreeNode> notMatchedList = new ArrayList<>();
             for (BaseTreeNode treeNode : traverseList) {
-                if (StringUtils.equals(treeNode.getParentId(), ModuleConstants.ROOT_NODE_PARENT_ID)) {
+                if (StringUtils.equalsIgnoreCase(treeNode.getParentId(), ModuleConstants.ROOT_NODE_PARENT_ID)) {
                     BaseTreeNode node = new BaseTreeNode(treeNode.getId(), treeNode.getName(), treeNode.getType(), treeNode.getParentId());
                     baseTreeNodeList.add(node);
                     baseTreeNodeMap.put(treeNode.getId(), node);