diff --git a/heroUnion.mjs b/heroUnion.mjs
index ab6f758..2cc14c0 100644
--- a/heroUnion.mjs
+++ b/heroUnion.mjs
@@ -27,19 +27,142 @@ class HeroUnion {
     //构造函数，设置默认配置
     constructor() {
         this.stats = {};
+        this.tasks = [];
+        this.taskStatus = {
+            'total':    0,
+            'waiting':  0,
+            'running':  0,
+            'done':     0,
+            'failed':   0
+        };
+        this.statusCode = {
+            'waiting':  '待处理',
+            'running':  '处理中',
+            'done':     '完成',
+            'failed':   '失败'
+        };
+
+        this.supportedPlatforms = {
+            'douyin': true,
+            'kuaishou': true,
+            'xigua': true,
+            'bilibili': true
+        };
+    }
+
+    //公用方法
+    getTimestamp() {
+        return Math.floor(Date.now());
+    }
 
+    getTimestampInSeconds() {
+        return Math.floor(Date.now() / 1000);
     }
 
     //--任务相关功能--
 
-    //提交新任务
-    createTask() {
+    //根据任务提交者ID和时间戳生成任务ID编号
+    generateTaskId(uuid) {
+        let timestamp = this.getTimestamp();
+        return `${uuid}_${timestamp}`;
+    }
+
+    isSupportedPlatform(platform) {
+        return typeof(this.supportedPlatforms[platform]) != 'undefined' && this.supportedPlatforms[platform];
+    }
 
+    //提交新任务
+    /**
+     * {
+     *  id: '',
+     *  status: '',
+     *  uuid: '',
+     *  country: '',
+     *  lang: '',
+     *  url: '',
+     *  platform: '',
+     *  data_mode: '',
+     *  notify_url: '',
+     * }
+     **/
+    createTask(uuid, url, platform, data_mode, notify_url, country, lang) {
+        let task = {
+            id: this.generateTaskId(uuid),
+            status: 'waiting',
+
+            //必选
+            uuid: uuid,
+            url: url,
+            platform: platform,
+
+            //可选
+            data_mode: 'default',
+            country: 'china',
+            lang: 'zh-CN',
+            notify_url: ''
+        };
+
+        if (typeof(data_mode) != 'undefined' && data_mode) {
+            task.data_mode = data_mode;
+        }
+        if (typeof(notify_url) != 'undefined' && notify_url) {
+            task.notify_url = notify_url;
+        }
+        if (typeof(country) != 'undefined' && country) {
+            task.country = country;
+        }
+        if (typeof(lang) != 'undefined' && lang) {
+            task.lang = lang;
+        }
+
+        this.tasks.push(task);
+        this.taskStatus.total ++;
+        this.taskStatus.waiting ++;
+
+        return task;
     }
 
-    //获取 1 个待处理的任务
-    getWaitingTask() {
+    //参数均可选，获取 1 个待处理的任务
+    getWaitingTask(platform, country, lang, data_mode) {
+        let searchResult = null;
+
+        for (const task of this.tasks) {
+            if (task.status == 'waiting') {
+                if (typeof(platform) != 'undefined' && platform) {
+                    if (platform == task.platform) {
+                        searchResult = task;
+                    }else {
+                        continue;
+                    }
+                }
+
+                if (typeof(country) != 'undefined' && country) {
+                    if (country == task.country) {
+                        searchResult = task;
+                    }else {
+                        continue;
+                    }
+                }
+
+                if (typeof(lang) != 'undefined' && lang) {
+                    if (lang == task.lang) {
+                        searchResult = task;
+                    }else {
+                        continue;
+                    }
+                }
+
+                if (typeof(data_mode) != 'undefined' && data_mode) {
+                    if (data_mode == task.data_mode) {
+                        searchResult = task;
+                    }else {
+                        continue;
+                    }
+                }
+            }
+        }
         
+        return searchResult;
     }
 
     //保存任务处理结果