diff --git a/src/laana-v0.1.2/action/message.ts b/src/laana-v0.1.2/action/message.ts
new file mode 100644
index 00000000..a7517c1b
--- /dev/null
+++ b/src/laana-v0.1.2/action/message.ts
@@ -0,0 +1,41 @@
+import { NapCatLaanaAdapter } from '@/laana-v0.1.2';
+import { NapCatCore } from '@/core';
+import { LaanaActionHandler } from '@/laana-v0.1.2/action/index';
+import fs from 'fs';
+
+export class LaanaMessageActionHandler {
+    constructor(
+        public core: NapCatCore,
+        public laana: NapCatLaanaAdapter,
+    ) {}
+
+    impl: LaanaActionHandler = {
+        sendMessage: async (params) => {
+            const { elements, fileCacheIds } = await this.laana.utils.msg.laanaMessageToRaw(params.message!, params);
+            let cacheSize = 0;
+            try {
+                for (const cacheId of fileCacheIds) {
+                    cacheSize += fs.statSync(this.laana.utils.file.toLocalPath(cacheId)).size;
+                }
+            } catch (e) {
+                this.core.context.logger.logWarn('文件缓存大小计算失败', e);
+            }
+            const estimatedSendMsgTimeout =
+                cacheSize / 1024 / 256 * 1000 + // file upload time
+                1000 * fileCacheIds.length + // request timeout
+                10000; // fallback timeout
+            const sentMsg = await this.core.apis.MsgApi.sendMsg(
+                await this.laana.utils.msg.laanaPeerToRaw(params.targetPeer!),
+                elements,
+                true, // TODO: add 'wait complete' (bool) field
+                estimatedSendMsgTimeout,
+            );
+            if (!sentMsg) {
+                throw '消息发送失败';
+            }
+            return {
+                msgId: sentMsg.msgId
+            };
+        }
+    };
+}