diff --git a/packages/lark-msg-tool/src/larkBody/index.ts b/packages/lark-msg-tool/src/larkBody/index.ts
index b1ce456..f7bb557 100644
--- a/packages/lark-msg-tool/src/larkBody/index.ts
+++ b/packages/lark-msg-tool/src/larkBody/index.ts
@@ -2,6 +2,10 @@ import { LarkAction, LarkEvent } from "../types"
 
 class LarkBody {
   protected body: LarkEvent.Data | LarkAction.Data
+  /**
+   * 是否为Lark消息体
+   */
+  public isLarkBody: boolean = true
   /**
    * 是否为事件消息
    */
@@ -117,6 +121,7 @@ class LarkBody {
 
     this.chatId = this.getChatId(body)
     this.messageId = this.getMessageId(body)
+    this.isLarkBody = this.isEvent || this.isAction
   }
 
   /**