diff --git a/src/main/java/com/ydw/bat/wkflow/business_activiti/task/TodoTaskController.java b/src/main/java/com/ydw/bat/wkflow/business_activiti/task/TodoTaskController.java
index 241ffeca..9769a0c5 100644
--- a/src/main/java/com/ydw/bat/wkflow/business_activiti/task/TodoTaskController.java
+++ b/src/main/java/com/ydw/bat/wkflow/business_activiti/task/TodoTaskController.java
@@ -395,12 +395,18 @@ public class TodoTaskController extends BaseAction {
         List<String> list = Arrays.asList(taskId.split(","));
         for (String str : list) {
             if (str != null && !str.equals("")) {
-                taskService.setAssignee(str, assignee);
-                QueryWrapper queryWrapper = new QueryWrapper();
+                try {
+                    taskService.setAssignee(str, assignee);
+                } catch (ActivitiException e) {
+                    Wrapper<String> wrapper = WrapMapper.error("任务不存在");
+                    wrapper.setSuccess(false);
+                    return wrapper;
+                }
+                QueryWrapper<BusProcessName> queryWrapper = new QueryWrapper<>();
                 queryWrapper.eq("PRC_ID", pId);
                 BusProcessName one = iBusProcessNameService.getOne(queryWrapper);
 
-                QueryWrapper<BusProcessNew> queryWrapper1 = new QueryWrapper();
+                QueryWrapper<BusProcessNew> queryWrapper1 = new QueryWrapper<>();
                 queryWrapper1.eq("USER_ID", userId);
                 queryWrapper1.eq("TASK_ID", str);
                 queryWrapper1.eq("P_ID", pId);