diff --git a/packages/net-tool/src/larkServer/message.ts b/packages/net-tool/src/larkServer/message.ts
index 7b9b19e..9e0ae4d 100644
--- a/packages/net-tool/src/larkServer/message.ts
+++ b/packages/net-tool/src/larkServer/message.ts
@@ -55,12 +55,20 @@ class LarkMessageService extends LarkBaseService {
    * @param messageId  消息id
    * @param content  消息内容，JSON结构序列化后的字符串。不同msgType对应不同内容
    */
-  async update(messageId: string, content: string | Record<string, any>) {
+  async update(
+    messageId: string,
+    content: string | Record<string, any>,
+    isText: boolean = false
+  ) {
     const path = `/im/v1/messages/${messageId}`
     if (typeof content === "object") {
       content = JSON.stringify(content)
     }
-    return this.patch<Lark.BaseRes>(path, { content })
+    if (isText && !content.includes('"text"')) {
+      content = JSON.stringify({ text: content })
+    }
+    if (!isText) return this.patch<Lark.BaseRes>(path, { content })
+    return this.put<Lark.BaseRes>(path, { content, msg_type: "text" })
   }
 
   /**