diff --git a/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/controller/ProjectGroupController.java b/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/controller/ProjectGroupController.java
index aa02e34..4568b70 100644
--- a/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/controller/ProjectGroupController.java
+++ b/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/controller/ProjectGroupController.java
@@ -8,9 +8,6 @@ import cn.edu.hfut.rmdjzz.projectmanagement.utils.http.ResponseList;
 import cn.edu.hfut.rmdjzz.projectmanagement.utils.http.ResponseMap;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import io.swagger.v3.oas.annotations.Parameter;
-import io.swagger.v3.oas.annotations.media.Content;
-import io.swagger.v3.oas.annotations.media.Schema;
-import io.swagger.v3.oas.annotations.media.SchemaProperty;
 import lombok.SneakyThrows;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
diff --git a/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/controller/TaskController.java b/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/controller/TaskController.java
index 3dd7b95..1bd307c 100644
--- a/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/controller/TaskController.java
+++ b/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/controller/TaskController.java
@@ -2,6 +2,8 @@ package cn.edu.hfut.rmdjzz.projectmanagement.controller;
 
 import cn.edu.hfut.rmdjzz.projectmanagement.entity.Task;
 import cn.edu.hfut.rmdjzz.projectmanagement.entity.dto.TaskDto;
+import cn.edu.hfut.rmdjzz.projectmanagement.exception.BadRequestException;
+import cn.edu.hfut.rmdjzz.projectmanagement.service.IProjectService;
 import cn.edu.hfut.rmdjzz.projectmanagement.service.ITaskService;
 import cn.edu.hfut.rmdjzz.projectmanagement.utils.http.ResponseList;
 import cn.edu.hfut.rmdjzz.projectmanagement.utils.http.ResponseMap;
@@ -20,7 +22,8 @@ import java.util.List;
 public class TaskController {
     @Autowired
     private ITaskService taskService;
-
+    @Autowired
+    private IProjectService projectService;
     @SneakyThrows
     @GetMapping("/{fatherId}/subtask")
     public ResponseList<TaskDto> getSubTaskList(
@@ -57,6 +60,8 @@ public class TaskController {
             @PathVariable("projectId") Integer projectId,
             @RequestBody Task task
     ) {
+        if(!projectService.checkOpenStatus(projectId))
+            throw new BadRequestException("项目未开放");
         task.setTaskProjectId(projectId);
         taskService.insertTask(token, task);
         return ResponseMap.ofSuccess("操作成功");
@@ -70,6 +75,8 @@ public class TaskController {
             @PathVariable("taskId") Long taskId,
             @RequestBody Task task
     ) {
+        if(!projectService.checkOpenStatus(projectId))
+            throw new BadRequestException("项目未开放");
         task.setTaskProjectId(projectId);
         task.setTaskId(taskId);
         taskService.modifyTask(token, task);
@@ -83,6 +90,8 @@ public class TaskController {
             @PathVariable("projectId") Integer projectId,
             @PathVariable("taskId") Long taskId
     ) {
+        if(!projectService.checkOpenStatus(projectId))
+            throw new BadRequestException("项目未开放");
         taskService.deleteTaskAndSubTask(token, projectId, taskId);
         return ResponseMap.ofSuccess("删除成功");
     }
diff --git a/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/service/IProjectService.java b/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/service/IProjectService.java
index 7915e5e..920aaec 100644
--- a/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/service/IProjectService.java
+++ b/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/service/IProjectService.java
@@ -22,4 +22,6 @@ public interface IProjectService extends IService<Project> {
     Boolean setProjectCompleted(String token, Integer projectId) throws BadRequestException;
 
     Boolean createProject(String token, Project project) throws BadRequestException;
+
+    Boolean checkOpenStatus(Integer projectId);
 }
diff --git a/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/service/impl/ProjectServiceImpl.java b/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/service/impl/ProjectServiceImpl.java
index 439d92e..2b02783 100644
--- a/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/service/impl/ProjectServiceImpl.java
+++ b/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/service/impl/ProjectServiceImpl.java
@@ -93,4 +93,11 @@ public class ProjectServiceImpl extends ServiceImpl<ProjectMapper, Project> impl
         }
         return false;
     }
+
+    public Boolean checkOpenStatus(Integer projectId) {
+        if (projectId == null || projectId < 1)
+            return false;
+        Project project = baseMapper.selectOne(Wrappers.<Project>lambdaQuery().eq(Project::getProjectId, projectId));
+        return project != null && !project.getCompleted();
+    }
 }