diff --git a/README.md b/README.md
index fd2f832..32b3171 100644
--- a/README.md
+++ b/README.md
@@ -75,7 +75,7 @@ new Tmc('your_app_key', 'your_app_secret')
 
 **`tmc.send(msg: Message, options?: { mask?: true, binary?: true }, cb?: (err: Error) => void) => void`**
 
-实例化后，当自动应答确认消息无法满足需求的时候，比如消息处理失败，需要`Publisher`再次重推消息，在实例初始化时置`options.autoReplyConfirmation=false`，则在消息处理函数内，可以通过 `this.send()` 函数回复`确认`或者`失败`消息。例如：
+自`v0.3.4`起，当自动应答确认消息无法满足需求的时候，比如消息处理失败，需要`Publisher`再次重推消息，在实例初始化时置`options.autoReplyConfirmation=false`，则在消息处理函数内，可以通过 `this.send()` 函数回复`确认`或者`失败`消息。例如：
 
 ```js
 new Tmc('your_app_key', 'your_app_secret', { autoReplyConfirmation: false })
@@ -91,6 +91,29 @@ new Tmc('your_app_key', 'your_app_secret', { autoReplyConfirmation: false })
 .connect();
 ```
 
+也可以使用此方法发送`To淘宝`消息，`>=v0.3.4 && <v0.3.7`版本，需要自主对`$.content.content`数据做`JSON`字符串化(**特别注意：**原生`JSON`对`BigInt`类型无法处理)。自`v0.3.7`起，可直接对`$.content.content`以原生数据类型描述。例如：
+
+```js
+/** @see https://open.taobao.com/tmc.htm?docId=732&docType=9 */
+.send(
+  new Mesage(MessageType.SEND, MessageKind.Data)
+  .with(MessageFields.TOPIC, 'taobao_fuwu_ElectronicInvoice')
+  .with(MessageFields.CONTENT, {
+    id: 12345678901234567n, // 支持 BigInt 类型
+    tid: 12345678901234567n,
+    oid: 12345678901234567n,
+    invoice_file: 12345678901234567n,
+    e_invoice_no: '12342243435466',
+    invoice_time: '2015-04-10 10:33:49', // 时区 +08:00
+    invoice_no: '123456',
+    invoice_code: '123456',
+    amount: '100.00',
+  })
+  // >=v0.3.4 && <v0.3.7 写法
+  // .with(MessageFields.CONTENT, '{"id":12345678901234567,"tid":12345678901234567,"amount":"100.00"}')
+)
+```
+
 <details><summary>可选设置的 NODE_DEBUG=< label > 环境变量</summary>
 
 | label | 说明 |
diff --git a/lib/consumer.js b/lib/consumer.js
index 3eea893..e6fe7f6 100644
--- a/lib/consumer.js
+++ b/lib/consumer.js
@@ -99,10 +99,16 @@ class TaoMessageConsumer extends EventEmitter {
    * @param {object|Function} [options] - The options
    * @param {Function} [cb] - The Callback
    * @returns {void}
-   * @since v0.3.4
+   * @since v0.3.4 Exposed for `send(new Message(SENDACK, Failed))` scene
+   * @since v0.3.7 The `data.content.content` can be a plain `object` now
    */
   send(data, options = { mask: true, binary: true }, cb = undefined) {
-    if (data instanceof Message) { this[kWebSocket]?.send(data.with(TOKEN, this[kToken]).buffer, options, cb); }
+    if (data instanceof Message) {
+      if (typeof data[CONTENT][CONTENT] === 'object' && data[CONTENT][CONTENT] !== null) {
+        Reflect.set(data[CONTENT], CONTENT, stringify(data[CONTENT][CONTENT]));
+      }
+      this[kWebSocket]?.send(data.with(TOKEN, this[kToken]).buffer, options, cb);
+    }
   }
 
   onopen() {
diff --git a/package.json b/package.json
index 02a2764..1d771c3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tmc.js",
-  "version": "0.3.6",
+  "version": "0.3.7",
   "description": "Events driven and chained Taobao Message Channel(TMC) for NodeJS",
   "author": "James ZHANG",
   "license": "MIT",