diff --git a/backend/services/project-management/src/main/java/io/metersphere/project/dto/environment/EnvironmentGroupRequest.java b/backend/services/project-management/src/main/java/io/metersphere/project/dto/environment/EnvironmentGroupRequest.java
index c2a04d13fa..e1974051af 100644
--- a/backend/services/project-management/src/main/java/io/metersphere/project/dto/environment/EnvironmentGroupRequest.java
+++ b/backend/services/project-management/src/main/java/io/metersphere/project/dto/environment/EnvironmentGroupRequest.java
@@ -3,7 +3,6 @@ package io.metersphere.project.dto.environment;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.validation.constraints.NotBlank;
-import jakarta.validation.constraints.NotEmpty;
 import lombok.Data;
 
 import java.util.List;
@@ -22,6 +21,5 @@ public class EnvironmentGroupRequest {
     @Schema(description = "环境组描述")
     private String description;
     @Schema(description = "环境组id")
-    @NotEmpty
     private List<EnvironmentGroupProjectDTO> envGroupProject;
 }
diff --git a/backend/services/project-management/src/main/java/io/metersphere/project/dto/environment/host/Host.java b/backend/services/project-management/src/main/java/io/metersphere/project/dto/environment/host/Host.java
index 01d7ffbc49..d9e5585168 100644
--- a/backend/services/project-management/src/main/java/io/metersphere/project/dto/environment/host/Host.java
+++ b/backend/services/project-management/src/main/java/io/metersphere/project/dto/environment/host/Host.java
@@ -14,8 +14,6 @@ public class Host implements Serializable {
     private String domain;
     @Schema(description = "描述")
     private String description;
-    @Schema(description = "id")
-    private String uuid;
 
     @Serial
     private static final long serialVersionUID = 1L;
diff --git a/backend/services/project-management/src/main/java/io/metersphere/project/service/CreateEnvironmentResourceService.java b/backend/services/project-management/src/main/java/io/metersphere/project/service/CreateEnvironmentResourceService.java
index 241f3c93e5..a118e5da91 100644
--- a/backend/services/project-management/src/main/java/io/metersphere/project/service/CreateEnvironmentResourceService.java
+++ b/backend/services/project-management/src/main/java/io/metersphere/project/service/CreateEnvironmentResourceService.java
@@ -62,7 +62,7 @@ public class CreateEnvironmentResourceService implements CreateProjectResourceSe
                 if (StringUtils.isNotEmpty(baseUrl)) {
                     if (CollectionUtils.isEmpty(httpConfigs)) {
                         HttpConfig httpConfig = new HttpConfig();
-                        httpConfig.setHostname(StringUtils.join(baseUrl, MOCK_EVN_SOCKET, "100001"));
+                        httpConfig.setHostname(StringUtils.join(baseUrl, MOCK_EVN_SOCKET, project.getNum()));
                         httpConfigs.add(httpConfig);
                     }
                 }
diff --git a/backend/services/project-management/src/main/java/io/metersphere/project/service/EnvironmentGroupService.java b/backend/services/project-management/src/main/java/io/metersphere/project/service/EnvironmentGroupService.java
index a883c55d18..d59d085d8c 100644
--- a/backend/services/project-management/src/main/java/io/metersphere/project/service/EnvironmentGroupService.java
+++ b/backend/services/project-management/src/main/java/io/metersphere/project/service/EnvironmentGroupService.java
@@ -80,7 +80,9 @@ public class EnvironmentGroupService {
         environmentGroup.setPos(getNextOrder(request.getProjectId()));
         environmentGroupMapper.insertSelective(environmentGroup);
         request.setId(environmentGroup.getId());
-        this.insertGroupProject(request);
+        if (CollectionUtils.isNotEmpty(request.getEnvGroupProject())) {
+            this.insertGroupProject(request);
+        }
 
         return environmentGroup;
     }
@@ -157,8 +159,13 @@ public class EnvironmentGroupService {
         environmentGroup.setUpdateUser(userId);
         environmentGroup.setDescription(request.getDescription());
         environmentGroupMapper.updateByPrimaryKeySelective(environmentGroup);
-
-        this.insertGroupProject(request);
+        if (CollectionUtils.isNotEmpty(request.getEnvGroupProject())) {
+            this.insertGroupProject(request);
+        } else {
+            EnvironmentGroupRelationExample example = new EnvironmentGroupRelationExample();
+            example.createCriteria().andEnvironmentGroupIdEqualTo(request.getId());
+            environmentGroupRelationMapper.deleteByExample(example);
+        }
 
         return environmentGroup;
     }
@@ -203,7 +210,7 @@ public class EnvironmentGroupService {
                 EnvironmentConfig environmentConfig = JSON.parseObject(new String(environmentBlob.getConfig()), EnvironmentConfig.class);
                 dto.setDomain(ObjectUtils.isNotEmpty(environmentConfig) ? environmentConfig.getHttpConfig() : new ArrayList<>());
             }
-            if (environment !=null && BooleanUtils.isTrue(environment.getMock())) {
+            if (environment != null && BooleanUtils.isTrue(environment.getMock())) {
                 SystemParameterService systemParameterService = CommonBeanFactory.getBean(SystemParameterService.class);
                 if (systemParameterService != null) {
                     BaseSystemConfigDTO baseSystemConfigDTO = systemParameterService.getBaseInfo();
diff --git a/backend/services/project-management/src/test/java/io/metersphere/project/controller/EnvironmentControllerTests.java b/backend/services/project-management/src/test/java/io/metersphere/project/controller/EnvironmentControllerTests.java
index 9e48f1d32d..bd4ed6d4ef 100644
--- a/backend/services/project-management/src/test/java/io/metersphere/project/controller/EnvironmentControllerTests.java
+++ b/backend/services/project-management/src/test/java/io/metersphere/project/controller/EnvironmentControllerTests.java
@@ -272,7 +272,6 @@ public class EnvironmentControllerTests extends BaseTest {
         HostConfig hostConfig = new HostConfig();
         hostConfig.setEnable(true);
         Host host = new Host();
-        host.setUuid("uuid");
         host.setDomain("domain");
         host.setDescription("description");
         host.setIp("ip");
diff --git a/backend/services/project-management/src/test/java/io/metersphere/project/controller/EnvironmentGroupControllerTests.java b/backend/services/project-management/src/test/java/io/metersphere/project/controller/EnvironmentGroupControllerTests.java
index 4a73b5d731..61abe9f268 100644
--- a/backend/services/project-management/src/test/java/io/metersphere/project/controller/EnvironmentGroupControllerTests.java
+++ b/backend/services/project-management/src/test/java/io/metersphere/project/controller/EnvironmentGroupControllerTests.java
@@ -249,6 +249,8 @@ public class EnvironmentGroupControllerTests extends BaseTest {
         Assertions.assertEquals(groupResponse.getId(), environmentGroup.getId());
         Assertions.assertEquals(groupResponse.getName(), environmentGroup.getName());
         checkLog(environmentGroup.getId(), OperationLogType.ADD);
+        groupRequest.setEnvGroupProject(new ArrayList<>());
+        requestPost(update, groupRequest);
         groupRequest.setEnvGroupProject(List.of(environmentGroupProjectDTO, environmentGroupProjectDTO));
         requestPost(update, groupRequest, ERROR_REQUEST_MATCHER);
         //校验权限