diff --git a/module/task/zen.php b/module/task/zen.php
index a239250afa..e7f08b0223 100644
--- a/module/task/zen.php
+++ b/module/task/zen.php
@@ -770,13 +770,18 @@ class taskZen extends task
      * 构造激活的任务数据。
      * Build the task data to activate.
      *
-     * @param  int       $taskID
+     * @param  int         $taskID
      * @access protected
-     * @return object
+     * @return object|bool
      */
-    protected function buildTaskForActivate(int $taskID): object
+    protected function buildTaskForActivate(int $taskID): object|bool
     {
         $task = form::data($this->config->task->form->activate, $taskID)->add('id', $taskID)->get();
+        if($task->left && $task->left < 0)
+        {
+            dao::$errors['left'] = sprintf($this->lang->task->error->recordMinus, $this->lang->task->left);
+            return false;
+        }
         unset($task->comment);
 
         return $this->loadModel('file')->processImgURL($task, $this->config->task->editor->activate['id'], (string)$this->post->uid);
@@ -1271,6 +1276,7 @@ class taskZen extends task
             if($oldTask->status == 'doing') dao::$errors[] = $this->lang->task->error->alreadyStarted;
         }
         if(!$task->left && !$task->consumed) dao::$errors['message'] = $this->lang->task->noticeTaskStart;
+        if($task->left && $task->left < 0) dao::$errors['left'] = sprintf($this->lang->task->error->recordMinus, $this->lang->task->left);
         return !dao::isError();
     }