diff --git a/backend/src/main/java/io/metersphere/api/service/ApiModuleService.java b/backend/src/main/java/io/metersphere/api/service/ApiModuleService.java
index fb94f2353f..674dd17377 100644
--- a/backend/src/main/java/io/metersphere/api/service/ApiModuleService.java
+++ b/backend/src/main/java/io/metersphere/api/service/ApiModuleService.java
@@ -272,17 +272,13 @@ public class ApiModuleService extends NodeTreeService<ApiModuleDTO> {
             ApiModuleExample example = new ApiModuleExample();
             ApiModuleExample.Criteria criteria = example.createCriteria();
             criteria.andNameEqualTo(node.getName())
-                    .andProjectIdEqualTo(node.getProjectId());
+                    .andProjectIdEqualTo(node.getProjectId())
+                    .andLevelEqualTo(node.getLevel());
 
             if (StringUtils.isNotBlank(node.getProtocol())) {
                 criteria.andProtocolEqualTo(node.getProtocol());
             }
 
-            if (StringUtils.isNotBlank(node.getParentId())) {
-                criteria.andParentIdEqualTo(node.getParentId());
-            } else {
-                criteria.andParentIdIsNull();
-            }
             if (StringUtils.isNotBlank(node.getId())) {
                 criteria.andIdNotEqualTo(node.getId());
             }
@@ -296,12 +292,9 @@ public class ApiModuleService extends NodeTreeService<ApiModuleDTO> {
         ApiModuleExample example = new ApiModuleExample();
         ApiModuleExample.Criteria criteria = example.createCriteria();
         criteria.andNameEqualTo(node.getName())
-                .andProjectIdEqualTo(node.getProjectId());
-        if (StringUtils.isNotBlank(node.getParentId())) {
-            criteria.andParentIdEqualTo(node.getParentId());
-        } else {
-            criteria.andParentIdIsNull();
-        }
+                .andProjectIdEqualTo(node.getProjectId())
+                .andLevelEqualTo(node.getLevel());
+
         if (StringUtils.isNotBlank(node.getId())) {
             criteria.andIdNotEqualTo(node.getId());
         }
diff --git a/backend/src/main/java/io/metersphere/api/service/ApiScenarioModuleService.java b/backend/src/main/java/io/metersphere/api/service/ApiScenarioModuleService.java
index 208d1cc11d..6ba7929973 100644
--- a/backend/src/main/java/io/metersphere/api/service/ApiScenarioModuleService.java
+++ b/backend/src/main/java/io/metersphere/api/service/ApiScenarioModuleService.java
@@ -233,12 +233,9 @@ public class ApiScenarioModuleService extends NodeTreeService<ApiScenarioModuleD
             ApiScenarioModuleExample example = new ApiScenarioModuleExample();
             ApiScenarioModuleExample.Criteria criteria = example.createCriteria();
             criteria.andNameEqualTo(node.getName())
-                    .andProjectIdEqualTo(node.getProjectId());
-            if (StringUtils.isNotBlank(node.getParentId())) {
-                criteria.andParentIdEqualTo(node.getParentId());
-            } else {
-                criteria.andParentIdIsNull();
-            }
+                    .andProjectIdEqualTo(node.getProjectId())
+                    .andLevelEqualTo(node.getLevel());
+
             if (StringUtils.isNotBlank(node.getId())) {
                 criteria.andIdNotEqualTo(node.getId());
             }
@@ -321,12 +318,9 @@ public class ApiScenarioModuleService extends NodeTreeService<ApiScenarioModuleD
         ApiScenarioModuleExample example = new ApiScenarioModuleExample();
         ApiScenarioModuleExample.Criteria criteria = example.createCriteria();
         criteria.andNameEqualTo(node.getName())
-                .andProjectIdEqualTo(node.getProjectId());
-        if (StringUtils.isNotBlank(node.getParentId())) {
-            criteria.andParentIdEqualTo(node.getParentId());
-        } else {
-            criteria.andParentIdIsNull();
-        }
+                .andProjectIdEqualTo(node.getProjectId())
+                .andLevelEqualTo(node.getLevel());
+
         if (StringUtils.isNotBlank(node.getId())) {
             criteria.andIdNotEqualTo(node.getId());
         }
diff --git a/backend/src/main/java/io/metersphere/service/BaseModuleService.java b/backend/src/main/java/io/metersphere/service/BaseModuleService.java
index 2d99ac9ec6..de4cf630c3 100644
--- a/backend/src/main/java/io/metersphere/service/BaseModuleService.java
+++ b/backend/src/main/java/io/metersphere/service/BaseModuleService.java
@@ -93,12 +93,9 @@ public class BaseModuleService extends NodeTreeService<ModuleNodeDTO> {
             TestCaseNodeExample example = new TestCaseNodeExample();
             TestCaseNodeExample.Criteria criteria = example.createCriteria();
             criteria.andNameEqualTo(node.getName())
-                    .andProjectIdEqualTo(node.getProjectId());
-            if (StringUtils.isNotBlank(node.getParentId())) {
-                criteria.andParentIdEqualTo(node.getParentId());
-            } else {
-                criteria.andParentIdIsNull();
-            }
+                    .andProjectIdEqualTo(node.getProjectId())
+                    .andLevelEqualTo(node.getLevel());
+
             if (StringUtils.isNotBlank(node.getId())) {
                 criteria.andIdNotEqualTo(node.getId());
             }
@@ -575,12 +572,9 @@ public class BaseModuleService extends NodeTreeService<ModuleNodeDTO> {
         TestCaseNodeExample example = new TestCaseNodeExample();
         TestCaseNodeExample.Criteria criteria = example.createCriteria();
         criteria.andNameEqualTo(node.getName())
-                .andProjectIdEqualTo(node.getProjectId());
-        if (StringUtils.isNotBlank(node.getParentId())) {
-            criteria.andParentIdEqualTo(node.getParentId());
-        } else {
-            criteria.andParentIdIsNull();
-        }
+                .andProjectIdEqualTo(node.getProjectId())
+                .andLevelEqualTo(node.getLevel());
+
         if (StringUtils.isNotBlank(node.getId())) {
             criteria.andIdNotEqualTo(node.getId());
         }
diff --git a/backend/src/main/java/io/metersphere/track/service/TestCaseNodeService.java b/backend/src/main/java/io/metersphere/track/service/TestCaseNodeService.java
index 0483f54306..b87338afab 100644
--- a/backend/src/main/java/io/metersphere/track/service/TestCaseNodeService.java
+++ b/backend/src/main/java/io/metersphere/track/service/TestCaseNodeService.java
@@ -104,12 +104,9 @@ public class TestCaseNodeService extends NodeTreeService<TestCaseNodeDTO> {
             TestCaseNodeExample example = new TestCaseNodeExample();
             TestCaseNodeExample.Criteria criteria = example.createCriteria();
             criteria.andNameEqualTo(node.getName())
-                    .andProjectIdEqualTo(node.getProjectId());
-            if (StringUtils.isNotBlank(node.getParentId())) {
-                criteria.andParentIdEqualTo(node.getParentId());
-            } else {
-                criteria.andParentIdIsNull();
-            }
+                    .andProjectIdEqualTo(node.getProjectId())
+                    .andLevelEqualTo(node.getLevel());
+
             if (StringUtils.isNotBlank(node.getId())) {
                 criteria.andIdNotEqualTo(node.getId());
             }
@@ -658,12 +655,10 @@ public class TestCaseNodeService extends NodeTreeService<TestCaseNodeDTO> {
         if (module == null && StringUtils.isNotEmpty(node.getName())) {
             TestCaseNodeExample example = new TestCaseNodeExample();
             TestCaseNodeExample.Criteria criteria = example.createCriteria();
-            criteria.andNameEqualTo(node.getName()).andProjectIdEqualTo(node.getProjectId());
-            if (StringUtils.isNotEmpty(node.getParentId())) {
-                criteria.andParentIdEqualTo(node.getParentId());
-            } else {
-                criteria.andParentIdIsNull();
-            }
+            criteria.andNameEqualTo(node.getName()).
+                    andProjectIdEqualTo(node.getProjectId())
+                    .andLevelEqualTo(node.getLevel());
+
             if (StringUtils.isNotEmpty(node.getId())) {
                 criteria.andIdNotEqualTo(node.getId());
             }