diff --git a/config.mjs b/config.mjs
index 9c364c1..3bb39b9 100644
--- a/config.mjs
+++ b/config.mjs
@@ -5,6 +5,7 @@ let configs = {
     task_list_dir: 'todo/',       //待抓取任务文件保存目录
     data_save_dir: 'data/',       //抓取完成数据保存目录，文件格式：.url快捷方式，详细说明见：https://filesite.io
 
+    max_fail_retry: 5,            //任务失败最多重试次数
 
     //HeroUnion英雄联盟对接配置
     herounion: {
diff --git a/lib/heroBot.mjs b/lib/heroBot.mjs
index bc5b655..e793ab0 100644
--- a/lib/heroBot.mjs
+++ b/lib/heroBot.mjs
@@ -122,12 +122,15 @@ class HeroBot {
     }
 
     //回传任务数据给联盟
-    async saveTaskData(task_id, task_token, task_data) {
+    async saveTaskData(task_id, task_token, task_data, task_status) {
         let params = {
             name: this.name,
             task_id: task_id,
             task_result: task_data
         };
+        if (typeof(task_status) != 'undefined') {
+            params.status = task_status;
+        }
         params.sign = this.sign(params, task_token);    //对参数进行签名
 
         let response = null;
diff --git a/lib/tajian.mjs b/lib/tajian.mjs
index 385a702..153c517 100644
--- a/lib/tajian.mjs
+++ b/lib/tajian.mjs
@@ -9,66 +9,62 @@ import path from 'node:path';
 
 class TaJian {
 
-  constructor(data_save_dir) {
-    this.save_dir = data_save_dir;
-  }
+    constructor(data_save_dir) {
+        this.save_dir = data_save_dir;
+    }
 
-  /*
-   * Example:
-    [InternetShortcut]
-    URL=https://microsoft.com/
-  */
-  async saveUrlShortcut(filename, data) {
-    //console.log('TaJian try to save shortcut url');
+    /*
+       * Example:
+        [InternetShortcut]
+        URL=https://microsoft.com/
+    */
+    async saveUrlShortcut(filename, data) {
+        try {
 
-    try {
+            const dirPath = path.resolve(this.save_dir);
+            const filepath = `${dirPath}/${filename}.url`;
 
-        const dirPath = path.resolve(this.save_dir);
-        const filepath = `${dirPath}/${filename}.url`;
+            const shortUrlContent = `\[InternetShortcut\]
+            URL=${data.url}
+            `;
+            await writeFile(filepath, shortUrlContent, { encoding: 'utf8' });
+        }catch(error) {
+            console.error('Save short url file failed: %s', error);
+            return false;
+        }
 
-        const shortUrlContent = `\[InternetShortcut\]
-URL=${data.url}
-`;
-        await writeFile(filepath, shortUrlContent, { encoding: 'utf8' });
-    }catch(error) {
-        console.error('Save short url file failed: %s', error);
-        return false;
+        return true;
     }
 
-    return true;
-  }
-
-  async saveDescriptionFiles(filename, data) {
-    //console.log('TaJian try to save description files');
-
-    try {
-        const dirPath = path.resolve(this.save_dir);
-
-        //save title
-        let filepath = `${dirPath}/${filename}_title.txt`;
-        let content = data.title;
-        await writeFile(filepath, content, { encoding: 'utf8' });
+    async saveDescriptionFiles(filename, data) {
+        try {
+            const dirPath = path.resolve(this.save_dir);
 
-        if (typeof(data.cover_base64) != 'undefined' && data.cover_base64) {
-            filepath = `${dirPath}/${filename}.${data.cover_type}`;
-            content = Buffer.from(data.cover_base64, "base64");                         //保存图片文件
+            //save title
+            let filepath = `${dirPath}/${filename}_title.txt`;
+            let content = data.title;
             await writeFile(filepath, content, { encoding: 'utf8' });
 
-            filepath = `${dirPath}/${filename}_cover.txt`;
-            content = `${filename}.${data.cover_type}`;                                 //保存图片路径
-            await writeFile(filepath, content, { encoding: 'utf8' });
-        }else {
-            filepath = `${dirPath}/${filename}_cover.txt`;
-            content = data.cover;                                                       //保存图片网址
-            await writeFile(filepath, content, { encoding: 'utf8' });
+            if (typeof(data.cover_base64) != 'undefined' && data.cover_base64) {
+                filepath = `${dirPath}/${filename}.${data.cover_type}`;
+                content = Buffer.from(data.cover_base64, "base64");                         //保存图片文件
+                await writeFile(filepath, content, { encoding: 'utf8' });
+
+                filepath = `${dirPath}/${filename}_cover.txt`;
+                content = `${filename}.${data.cover_type}`;                                 //保存图片路径
+                await writeFile(filepath, content, { encoding: 'utf8' });
+            }else {
+                filepath = `${dirPath}/${filename}_cover.txt`;
+                content = data.cover;                                                       //保存图片网址
+                await writeFile(filepath, content, { encoding: 'utf8' });
+            }
+        }catch(error) {
+            console.error('Save description files failed: %s', error);
+            return false;
         }
-    }catch(error) {
-        console.error('Save description files failed: %s', error);
-        return false;
-    }
 
-    return true;
-  }
+        return true;
+    }
 
 }
 
diff --git a/lib/taskMoniter.mjs b/lib/taskMoniter.mjs
index 984f2f5..65396dc 100644
--- a/lib/taskMoniter.mjs
+++ b/lib/taskMoniter.mjs
@@ -104,8 +104,12 @@ class TaskMoniter {
         this.taskStatus[this.statusCode.done] ++;
         this.taskStatus[this.statusCode.running] --;
 
-        const filepath = this.getTaskFilePath(task_id);
-        common.removeFile(filepath);        //async delete
+        //如果不是联盟的任务，则把本地任务文件删除
+        if (typeof(this.tasks[task_id].from) == 'undefined' || this.tasks[task_id].from != 'HeroUnion') {
+            const filepath = this.getTaskFilePath(task_id);
+            common.removeFile(filepath);        //async delete
+        }
+
         return true;
     }
 
diff --git a/spider.mjs b/spider.mjs
index 90b9a85..9a9d1ff 100644
--- a/spider.mjs
+++ b/spider.mjs
@@ -1,6 +1,8 @@
 /**
  * 爬虫主程序
  * 负责监听任务目录里的新任务，并自动抓取数据保存到数据目录。
+ * 增加失败任务的重试机制
+ * 增加失败任务上报
  */
 import getConfigs from './config.mjs';
 import common from './lib/common.mjs';
@@ -93,7 +95,21 @@ import cron from 'node-cron';
                     taskMoniter.setTaskFailed(task.id);
                 }
             }else {
-                taskMoniter.setTaskFailed(task.id);
+                //失败后最多重试 5 次
+                if (typeof(task.fail_retry) == 'undefined') {
+                    task.fail_retry = 0;
+                }else {
+                    task.fail_retry ++;
+                }
+
+                taskMoniter.updateTask(task.id, task);
+
+                if (task.fail_retry > configs.max_fail_retry) {
+                    taskMoniter.setTaskFailed(task.id);
+
+                    //上报联盟，任务失败
+                    heroBot.saveTaskData(task.id, task.token, [], 'failed');
+                }
             }
 
             spider_is_running = false;