diff --git a/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiDefinitionBlob.java b/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiDefinitionBlob.java
index 033a8b6ac7..3880c76a39 100644
--- a/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiDefinitionBlob.java
+++ b/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiDefinitionBlob.java
@@ -16,7 +16,7 @@ import java.io.Serializable;
 @Table("api_definition_blob")
 @Data
 @EqualsAndHashCode(callSuper=false)
-public class ApiDefinitionBlob extends ApiDefinition implements Serializable {
+public class ApiDefinitionBlob implements Serializable {
     private static final long serialVersionUID = 1L;
 
     @Id
diff --git a/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiDefinitionMockConfig.java b/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiDefinitionMockConfig.java
index 4da2090dd5..375427bc10 100644
--- a/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiDefinitionMockConfig.java
+++ b/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiDefinitionMockConfig.java
@@ -16,7 +16,7 @@ import java.io.Serializable;
 @Table("api_definition_mock_config")
 @Data
 @EqualsAndHashCode(callSuper = false)
-public class ApiDefinitionMockConfig extends ApiDefinitionMock implements Serializable {
+public class ApiDefinitionMockConfig implements Serializable {
     private static final long serialVersionUID = 1L;
 
     @Id
diff --git a/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiReportBlob.java b/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiReportBlob.java
index 55abacc60c..127258e0c0 100644
--- a/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiReportBlob.java
+++ b/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiReportBlob.java
@@ -16,7 +16,7 @@ import java.io.Serializable;
 @Table("api_report_blob")
 @Data
 @EqualsAndHashCode(callSuper=false)
-public class ApiReportBlob extends ApiReport implements Serializable {
+public class ApiReportBlob implements Serializable {
     private static final long serialVersionUID = 1L;
 
     @Id
diff --git a/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiScenarioBlob.java b/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiScenarioBlob.java
index 68774bc287..8841c1dd59 100644
--- a/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiScenarioBlob.java
+++ b/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiScenarioBlob.java
@@ -16,7 +16,7 @@ import java.io.Serializable;
 @Table("api_scenario_blob")
 @Data
 @EqualsAndHashCode(callSuper=false)
-public class ApiScenarioBlob extends ApiScenario implements Serializable {
+public class ApiScenarioBlob implements Serializable {
     private static final long serialVersionUID = 1L;
 
     @Id
diff --git a/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiScenarioReportDetail.java b/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiScenarioReportDetail.java
index 5d7e72ee72..b588fcb83c 100644
--- a/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiScenarioReportDetail.java
+++ b/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiScenarioReportDetail.java
@@ -18,7 +18,7 @@ import java.io.Serializable;
 @Table("api_scenario_report_detail")
 @Data
 @EqualsAndHashCode(callSuper=false)
-public class ApiScenarioReportDetail extends ApiScenarioReport implements Serializable {
+public class ApiScenarioReportDetail implements Serializable {
     private static final long serialVersionUID = 1L;
 
     @Id
diff --git a/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiTestCaseBlob.java b/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiTestCaseBlob.java
index 67ad99fea9..e132d0b34b 100644
--- a/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiTestCaseBlob.java
+++ b/backend/framework/domain/src/main/java/io/metersphere/api/domain/ApiTestCaseBlob.java
@@ -16,7 +16,7 @@ import java.io.Serializable;
 @Table("api_test_case_blob")
 @Data
 @EqualsAndHashCode(callSuper=false)
-public class ApiTestCaseBlob extends ApiTestCase implements Serializable {
+public class ApiTestCaseBlob implements Serializable {
     private static final long serialVersionUID = 1L;
 
     @Id
diff --git a/backend/framework/domain/src/main/java/io/metersphere/functional/domain/FunctionalCaseBlob.java b/backend/framework/domain/src/main/java/io/metersphere/functional/domain/FunctionalCaseBlob.java
index a076456053..2282ddde63 100644
--- a/backend/framework/domain/src/main/java/io/metersphere/functional/domain/FunctionalCaseBlob.java
+++ b/backend/framework/domain/src/main/java/io/metersphere/functional/domain/FunctionalCaseBlob.java
@@ -12,7 +12,7 @@ import java.io.Serializable;
 @Table("functional_case_blob")
 @Data
 @EqualsAndHashCode(callSuper = false)
-public class FunctionalCaseBlob extends FunctionalCase implements Serializable {
+public class FunctionalCaseBlob implements Serializable {
     private static final long serialVersionUID = 1L;
 
     @ApiModelProperty(name = "用例步骤（JSON)，step_model 为 0 时启用", required = false)