diff --git a/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/service/impl/TaskServiceImpl.java b/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/service/impl/TaskServiceImpl.java
index 4e16960..2cd20fb 100644
--- a/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/service/impl/TaskServiceImpl.java
+++ b/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/service/impl/TaskServiceImpl.java
@@ -213,7 +213,7 @@ public class TaskServiceImpl extends ServiceImpl<TaskMapper, Task> implements IT
 
     private int upperBound(List<Task> data, long x) {
         int l = 0, r = data.size() - 1;
-        if(data.get(r).getTaskFatherId().equals(x))
+        if (data.get(r).getTaskFatherId().equals(x))
             return r;
         while (l < r) {
             int mid = (l + r) / 2;
@@ -227,7 +227,7 @@ public class TaskServiceImpl extends ServiceImpl<TaskMapper, Task> implements IT
     @Override
     public List<TaskDTO> listMyTasks(String token, Integer projectId) throws ForbiddenException {
         Integer staffId = TokenUtils.getStaffId(token);
-        if(projectGroupService.getProjectAccessLevel(token,projectId)==0){
+        if (projectGroupService.getProjectAccessLevel(token, projectId) == 0) {
             throw new ForbiddenException("不可操作的项目");
         }
         List<Task> resList = baseMapper.selectList(Wrappers.<Task>lambdaQuery()
@@ -519,11 +519,22 @@ public class TaskServiceImpl extends ServiceImpl<TaskMapper, Task> implements IT
         if (projectGroupService.compareProjectAccessLevel(projectId, token, transferredStaffId) > 0) {
             throw new ForbiddenException(ForbiddenException.UNABLE_TO_OPERATE);
         }
-        Long transferredTaskCount = baseMapper.selectCount(Wrappers.<Task>lambdaQuery().eq(Task::getTaskHolderId, transferredStaffId));
+        Long transferredTaskCount = baseMapper.selectCount(Wrappers.<Task>lambdaQuery()
+                .eq(Task::getTaskHolderId, transferredStaffId)
+                .and(wrapper -> wrapper
+                        .eq(Task::getTaskStatus, Task.STATUS_WAITING)
+                        .or()
+                        .eq(Task::getTaskStatus, Task.STATUS_PROCESSING)
+                ));
         int updatedTaskCount = baseMapper.update(
                 null,
                 Wrappers.<Task>lambdaUpdate()
                         .eq(Task::getTaskHolderId, transferredStaffId)
+                        .and(wrapper -> wrapper
+                                .eq(Task::getTaskStatus, Task.STATUS_WAITING)
+                                .or()
+                                .eq(Task::getTaskStatus, Task.STATUS_PROCESSING)
+                        )
                         .set(Task::getTaskHolderId, targetStaffId)
         );
         return transferredTaskCount.intValue() == updatedTaskCount;
diff --git a/src/test/java/cn/edu/hfut/rmdjzz/projectmanagement/SerializeTests.java b/src/test/java/cn/edu/hfut/rmdjzz/projectmanagement/SerializeTests.java
index d1bdda6..116c833 100644
--- a/src/test/java/cn/edu/hfut/rmdjzz/projectmanagement/SerializeTests.java
+++ b/src/test/java/cn/edu/hfut/rmdjzz/projectmanagement/SerializeTests.java
@@ -24,7 +24,7 @@ public class SerializeTests {
     public void serializeTime() {
         String timestamp = objectMapper.writeValueAsString(LocalDateTime.now());
         System.out.println(timestamp);
-        System.out.println(objectMapper.readValue(timestamp, LocalDateTime.class));
+        System.out.println(objectMapper.readValue("1657693261", LocalDateTime.class));
     }
 
     @SneakyThrows