diff --git a/src/main/java/com/guo/learningprogresstracker/controller/StudySessionController.java b/src/main/java/com/guo/learningprogresstracker/controller/StudySessionController.java
index d762513..009c2de 100644
--- a/src/main/java/com/guo/learningprogresstracker/controller/StudySessionController.java
+++ b/src/main/java/com/guo/learningprogresstracker/controller/StudySessionController.java
@@ -36,7 +36,7 @@ public class StudySessionController {
      * 通过sessionNum获取一个【学习会话】
      */
     @GetMapping("/{sessionNum}")
-    public CommonResult getStudySession(@NotEmpty(message = "sessionId不可为空") @PathVariable String sessionNum) throws ErrorParameterException {
+    public CommonResult getStudySessionBySessionNum(@NotEmpty(message = "sessionNum不可为空") @PathVariable String sessionNum) throws ErrorParameterException {
         StudySessionsEntity studySessionsEntity = studySessionsServiceImpl.getOneOpt(Wrappers.lambdaQuery(StudySessionsEntity.class)
                         .eq(StudySessionsEntity::getSessionNum, sessionNum))
                 .orElseThrow(() -> new ErrorParameterException("会话[" + sessionNum + "]不存在"));
diff --git a/src/main/java/com/guo/learningprogresstracker/controller/TaskController.java b/src/main/java/com/guo/learningprogresstracker/controller/TaskController.java
index 0bd74d8..caf510e 100644
--- a/src/main/java/com/guo/learningprogresstracker/controller/TaskController.java
+++ b/src/main/java/com/guo/learningprogresstracker/controller/TaskController.java
@@ -5,6 +5,7 @@ import com.guo.learningprogresstracker.common.Ops;
 import com.guo.learningprogresstracker.dto.response.StudySessionResponce;
 import com.guo.learningprogresstracker.entity.CommonResult;
 import com.guo.learningprogresstracker.dto.request.TaskRequest;
+import com.guo.learningprogresstracker.exception.ErrorParameterException;
 import com.guo.learningprogresstracker.exception.NotFindEntitiesException;
 import com.guo.learningprogresstracker.service.TasksService;
 import com.guo.learningprogresstracker.service.impl.StudySessionsServiceImpl;
@@ -18,6 +19,7 @@ import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.PutMapping;
 import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -27,6 +29,7 @@ import java.rmi.ServerException;
  * 任务控制层
  * @author guo
  */
+@RequestMapping("/tasks")
 @RestController
 @Validated
 @RequiredArgsConstructor
@@ -36,7 +39,7 @@ public class TaskController {
 
     private final StudySessionsServiceImpl studySessionsServiceImpl;
 
-    @PostMapping("/tasks")
+    @PostMapping
     @Operation(summary = "添加新任务")
     public CommonResult addTask(@RequestBody @Validated({Ops.CreateG.class})  TaskRequest taskRequest) {
         System.out.println("Token: " + StpUtil.getTokenValue());
@@ -44,26 +47,26 @@ public class TaskController {
     }
 
     @Operation(summary = "任务详情API-未完成")
-    @GetMapping("/tasks/{taskId}")
+    @GetMapping("/{taskId}")
     public CommonResult getTask(@PathVariable("taskId") String taskId) {
         return CommonResult.success(tasksService.getTask(taskId));
     }
 
-    @PutMapping("/tasks/{taskId}")
+    @PutMapping("/{taskId}")
     @Operation(summary = "更新任务详情")
     public CommonResult updateTask(@PathVariable("taskId") String taskId,@Validated(Ops.UpdateG.class) @RequestBody TaskRequest updatedTask) {
         tasksService.updateTask(taskId, updatedTask);
         return CommonResult.success();
     }
 
-    @DeleteMapping("/tasks/{taskId}")
+    @DeleteMapping("/{taskId}")
     @Operation(summary = "删除指定任务")
     public CommonResult deleteTask(@PathVariable("taskId") String taskId) throws ServerException {
         tasksService.deleteTask(taskId);
         return CommonResult.success();
     }
 
-    @GetMapping("/tasks")
+    @GetMapping
     @Operation(summary = "获取所有任务列表")
     public CommonResult tasksList(@RequestParam(value = "pageNum", defaultValue = "1") Integer pageNum,
                                   @RequestParam(value = "pageSize", defaultValue = "10") Integer pageSize) {
@@ -74,12 +77,21 @@ public class TaskController {
      * 开始或继续一个【学习会话】
      *
      */
-    @GetMapping("/{taskNum}/studay-sessions/start-or-continue")
+    @GetMapping("/{taskNum}/study-sessions/start-or-continue")
     public CommonResult startOrContinueStudySession(@NotEmpty(message = "taskNum不可为空")
                                           @PathVariable String taskNum) throws NotFindEntitiesException {
-        StudySessionResponce responce = studySessionsServiceImpl.startOrContinueStudySession(taskNum);
-        return CommonResult.success(responce);
+        StudySessionResponce response = studySessionsServiceImpl.startOrContinueStudySession(taskNum);
+        return CommonResult.success(response);
 
     }
 
+    /**
+     * 通过学习任务num获取该任务的未结束会话
+     */
+    @GetMapping("/{taskNum}/not-ended-study-session")
+    public CommonResult getNotEndedStudySessionByTaskNum(@NotEmpty(message = "taskNum不可为空")
+                                                 @PathVariable String taskNum) throws ErrorParameterException {
+        StudySessionResponce response = studySessionsServiceImpl.getNotEndedStudySessionByTaskNum(taskNum);
+        return CommonResult.success(response);
+    }
 }
diff --git a/src/main/java/com/guo/learningprogresstracker/service/StudySessionsService.java b/src/main/java/com/guo/learningprogresstracker/service/StudySessionsService.java
index 1cb3af0..8dbcaf3 100644
--- a/src/main/java/com/guo/learningprogresstracker/service/StudySessionsService.java
+++ b/src/main/java/com/guo/learningprogresstracker/service/StudySessionsService.java
@@ -1,7 +1,9 @@
 package com.guo.learningprogresstracker.service;
 
+import com.guo.learningprogresstracker.dto.response.StudySessionResponce;
 import com.guo.learningprogresstracker.entity.StudySessionsEntity;
 import com.baomidou.mybatisplus.extension.service.IService;
+import com.guo.learningprogresstracker.exception.ErrorParameterException;
 
 /**
 * @author guo
@@ -10,4 +12,5 @@ import com.baomidou.mybatisplus.extension.service.IService;
 */
 public interface StudySessionsService extends IService<StudySessionsEntity> {
 
+    StudySessionResponce getNotEndedStudySessionByTaskNum(String taskNum) throws ErrorParameterException;
 }
diff --git a/src/main/java/com/guo/learningprogresstracker/service/impl/StudySessionsServiceImpl.java b/src/main/java/com/guo/learningprogresstracker/service/impl/StudySessionsServiceImpl.java
index e696f27..9273d4f 100644
--- a/src/main/java/com/guo/learningprogresstracker/service/impl/StudySessionsServiceImpl.java
+++ b/src/main/java/com/guo/learningprogresstracker/service/impl/StudySessionsServiceImpl.java
@@ -61,6 +61,15 @@ public class StudySessionsServiceImpl extends ServiceImpl<StudySessionsMapper, S
         studySessionsEntity.pausedStudySession();
         this.updateById(studySessionsEntity);
     }
+
+    @Override
+    public StudySessionResponce getNotEndedStudySessionByTaskNum(String taskNum) throws ErrorParameterException {
+        StudySessionsEntity studySessionsEntity = this.getOneOpt(Wrappers.lambdaQuery(StudySessionsEntity.class)
+                        .eq(StudySessionsEntity::getTaskNum, taskNum)
+                        .ne(StudySessionsEntity::getSessionState, StudySessionStateEnum.ENDED.name()))
+                .orElseThrow(() -> new ErrorParameterException("任务[" + taskNum + "]不存在进行中或暂停中的会话"));
+        return StudySessionConvert.MAPPER.toStudySessionResponce(studySessionsEntity);
+    }
 }